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((7-methoxycoumarin-4-yl)acetyl)-Lys-Lys-Pro-Ala-Glu-Phe-Phe-Ala-Leu-Lys-(2,4-dinitrophenyl) + H2O
((7-methoxycoumarin-4-yl)acetyl)-Lys-Lys-Pro-Ala-Glu-Phe + Phe-Ala-Leu-Lys-(2,4-dinitrophenyl)
-
-
-
?
(R)-(+)-2,2-dimethyl-1,3-dioxolane-4-carbaldehyde + 1,3-dihydroxypropan-2-one
(3R,4R)-4-(2,2-dimethyl-1,3-dioxolan-4-yl)-1,3,4-trihydroxybutan-2-one
-
in MeCN buffer, at 30ưC
-
-
?
2 pQLSK-(7-methoxycoumarin-4-yl)-GYDEKSTGISK-[Nepsilon-(2,4-dinitrophenyl)]-P-NH2 + 2 H2O
pQLSK-(7-methoxycoumarin-4-yl)-GYDEKSTG + ISK-[Nepsilon-(2,4-dinitrophenyl)]-P-NH2 + pQLSK-(7-methoxycoumarin-4-yl)-GY + DEKSTGISK-[Nepsilon-(2,4-dinitrophenyl)]-P-NH2
-
-
-
-
?
2,6-dichlorobenzaldehyde + 1-hydroxypropan-2-one
(3R,4S)-4-(2,6-dichlorophenyl)-3,4-dihydroxybutan-2-one
-
in MeCN buffer, at 30ưC
-
-
?
2-chlorobenzaldehyde + 1-hydroxypropan-2-one
(3R,4S)-4-(2-chlorophenyl)-3,4-dihydroxybutan-2-one
-
in MeCN buffer, at 30ưC
-
-
?
2-nitrobenzaldehyde + 1,3-dihydroxypropan-2-one
(3R,4S)-1,3,4-trihydroxy-4-(2-nitrophenyl)butan-2-one
-
in MeCN buffer, at 30ưC
-
-
?
2-nitrobenzaldehyde + 1-hydroxypropan-2-one
(3R,4S)-3,4-dihydroxy-4-(2-nitrophenyl)butan-2-one
-
in MeCN buffer, at 30ưC
-
-
?
2-nitrobenzaldehyde + 1-methoxypropan-2-one
(3R,4S)-4-hydroxy-3-methoxy-4-(2-nitrophenyl)butan-2-one
-
in MeCN buffer, at 30ưC
-
-
?
2-nitrobenzaldehyde + cyclohexanone
(2S)-2-[(R)-hydroxy(2-nitrophenyl)methyl]cyclohexan-1-one
-
in MeCN buffer, at 30ưC
-
-
?
2-nitrobenzaldehyde + cyclopentanone
(2S)-2-[(R)-hydroxy(2-nitrophenyl)methyl]cyclopentan-1-one
-
in MeCN buffer, at 30ưC
-
-
?
3-bromobenzaldehyde + 1-hydroxypropan-2-one
(3R,4S)-4-(3-bromophenyl)-3,4-dihydroxybutan-2-one
-
in MeCN buffer, at 30ưC
-
-
?
3-methylbutanal + 1-hydroxypropan-2-one
(3R,4S)-3,4-dihydroxy-6-methylheptan-2-one
-
in MeCN buffer, at 30ưC
-
-
?
3-nitrobenzaldehyde + 1-hydroxypropan-2-one
(3R,4S)-3,4-dihydroxy-4-(3-nitrophenyl)butan-2-one
-
in MeCN buffer, at 30ưC
-
-
?
3-nitrobenzaldehyde + cyclohexanone
(2S)-2-[(R)-hydroxy(3-nitrophenyl)methyl]cyclohexan-1-one
-
in MeCN buffer, at 30ưC
-
-
?
4-(trifluoromethyl)benzaldehyde + 1-hydroxypropan-2-one
(3R,4S)-3,4-dihydroxy-4-[4-(trifluoromethyl)phenyl]butan-2-one
-
in MeCN buffer, at 30ưC
-
-
?
4-bromobenzaldehyde + 1-hydroxypropan-2-one
(3R,4S)-4-(4-bromophenyl)-3,4-dihydroxybutan-2-one
-
in MeCN buffer, at 30ưC
-
-
?
4-bromobenzaldehyde + propan-2-one
(4R)-4-(4-bromophenyl)-4-hydroxybutan-2-one
-
in MeCN buffer, at 30ưC
-
-
?
4-chlorobenzaldehyde + 1-(benzyloxy)propan-2-one
(3R,4S)-3-(benzyloxy)-4-(4-chlorophenyl)-4-hydroxybutan-2-one
-
in MeCN buffer, at 30ưC
-
-
?
4-chlorobenzaldehyde + 1-hydroxypropan-2-one
(3R,4S)-4-(4-chlorophenyl)-3,4-dihydroxybutan-2-one
-
in MeCN buffer, at 30ưC
-
-
?
4-chlorobenzaldehyde + cyclohexanone
(2S)-2-[(R)-(4-chlorophenyl)(hydroxy)methyl]cyclohexan-1-one
-
in MeCN buffer, at 30ưC
-
-
?
4-chlorobenzaldehyde + cyclopentanone
(2S)-2-[(R)-(4-chlorophenyl)(hydroxy)methyl]cyclopentan-1-one
-
in MeCN buffer, at 30ưC
-
-
?
4-fluorobenzaldehyde + 1-hydroxypropan-2-one
(3R,4S)-4-(4-fluorophenyl)-3,4-dihydroxybutan-2-one
-
in MeCN buffer, at 30ưC
-
-
?
4-formylbenzonitrile + 1-hydroxypropan-2-one
4-[(1S,2R)-1,2-dihydroxy-3-oxobutyl]benzonitrile
-
in MeCN buffer, at 30ưC
-
-
?
4-methylbenzaldehyde + 1-hydroxypropan-2-one
(3R,4S)-3,4-dihydroxy-4-(4-methylphenyl)butan-2-one
-
in MeCN buffer, at 30ưC
-
-
?
4-nitrobenzaldehyde + 1,3-dihydroxypropan-2-one
(3R,4S)-1,3,4-trihydroxy-4-(4-nitrophenyl)butan-2-one
-
in MeCN buffer, at 30ưC
-
-
?
4-nitrobenzaldehyde + 1-(benzyloxy)propan-2-one
(3R,4S)-3-(benzyloxy)-4-hydroxy-4-(4-nitrophenyl)butan-2-one
-
in MeCN buffer, at 30ưC
-
-
?
4-nitrobenzaldehyde + 1-hydroxypropan-2-one
(3R,4S)-3,4-dihydroxy-4-(4-nitrophenyl)butan-2-one
-
in MeCN buffer, at 30ưC
-
-
?
4-nitrobenzaldehyde + 1-methoxypropan-2-one
(3R,4S)-4-hydroxy-3-methoxy-4-(4-nitrophenyl)butan-2-one
-
in MeCN buffer, at 30ưC
-
-
?
4-nitrobenzaldehyde + cyclohexanone
(2S)-2-[(R)-hydroxy(4-nitrophenyl)methyl]cyclohexan-1-one
-
in MeCN buffer, at 30ưC
-
-
?
4-nitrobenzaldehyde + cyclopentanone
(2S)-2-[(R)-hydroxy(4-nitrophenyl)methyl]cyclopentan-1-one
-
in MeCN buffer, at 30ưC
-
-
?
4-nitrobenzaldehyde + oxan-4-one
(3S)-3-[(R)-hydroxy(4-nitrophenyl)methyl]oxan-4-one
-
in MeCN buffer, at 30ưC
-
-
?
4-nitrobenzaldehyde + propan-2-one
(4R)-4-hydroxy-4-(4-nitrophenyl)butan-2-one
-
in MeCN buffer, at 30ưC
-
-
?
4-nitrobenzaldehyde + tert-butyl 4-oxopiperidine-1-carboxylate
tert-butyl (3S)-3-[(R)-hydroxy(4-nitrophenyl)methyl]-4-oxopiperidine-1-carboxylate
-
in MeCN buffer, at 30ưC
-
-
?
4-nitrobenzaldehyde + thian-4-one
(3S)-3-[(R)-hydroxy(4-nitrophenyl)methyl]thian-4-one
-
in MeCN buffer, at 30ưC
-
-
?
acetyl-Ala-Ala-Lys-Phe(4-NO2)-Ala-Ala-NH2 + H2O
?
-
-
-
-
?
acetyl-L-phenylalanyl-L-diiodotyrosine + H2O
acetyl-L-phenylalanine + L-diiodotyrosine
Acid-denatured hemoglobin + H2O
?
-
-
-
-
?
AFPLEFEREL + H2O
AFPLEF + EREL
AFPLEFFREL + H2O
AFPLEF + FREL
AFPLEFIREL + H2O
AFPLEF + IREL
benzaldehyde + 1-hydroxypropan-2-one
(3R,4S)-3,4-dihydroxy-4-phenylbutan-2-one
-
in MeCN buffer, at 30ưC
-
-
?
benzyloxycarbonyl-Gly-Ala-(4-nitro)Phe-Trp-NHCH2CH2OH + H2O
?
-
-
-
-
?
benzyloxycarbonyl-Gly-Gly-Phe-Phe 3-(4-pyridyl)propyl ester + H2O
benzyloxycarbonyl-Gly-Gly-Phe + Phe 3-(4-pyridyl)propyl ester
-
-
-
-
?
benzyloxycarbonyl-Gly-Phe-Phe 3-(4-pyridyl)propyl ester + H2O
benzyloxycarbonyl-Gly-Phe + Phe 3-(4-pyridyl)propyl ester
-
-
-
-
?
benzyloxycarbonyl-His-(4-nitro)Phe-Phe-OMet + H2O
?
-
-
-
-
?
benzyloxycarbonyl-His-Phe(NO2)-beta-phenyl-L-lactyl-O-methyl ester + H2O
benzyloxycarbonyl-His-Phe(NO2) + phenyl-L-lactyl-O-methyl ester
benzyloxycarbonyl-His-Phe-Phe-NH2 + H2O
?
-
-
-
-
?
benzyloxycarbonyl-His-Phe-Phe-O-ethyl ester + H2O
?
-
-
-
-
?
benzyloxycarbonyl-His-Phe-Phe-O-methyl ester + H2O
?
-
-
-
-
?
benzyloxycarbonyl-His-Phe-Trp-OEt + H2O
?
-
-
-
-
?
benzyloxycarbonyl-His-Trp-Phe-O-methyl ester + H2O
?
-
-
-
-
?
benzyloxycarbonyl-His-Tyr-Phe-O-methyl ester + H2O
?
-
-
-
-
?
benzyloxycarbonyl-Phe-Phe 3-(4-pyridyl)propyl ester + H2O
benzyloxycarbonyl-Phe + Phe 3-(4-pyridyl)propyl ester
-
-
-
-
?
benzyloxycarbonyl-Phe-Phe-OEt + H2O
benzyloxycarbonyl-Phe + Phe-OEt
-
-
-
-
?
bis-phenyl sulfite + H2O
?
-
-
-
-
?
Bovine hemoglobin + H2O
?
-
-
-
?
Bovine serum albumin + H2O
?
-
-
-
-
?
bovine type I collagen + H2O
?
-
pepsin cleaves type I collagen at various sites in the N-terminal and in the C-terminal telopeptides
-
-
?
bovine type I collagen alpha1 chain + H2O
pQLSYGY + pQLSYGYDEKSTG
-
the enzyme preferentially cleaves Tyr6-Asp7 and less preferentially Gly12-Ile13
-
-
?
casein + H2O
L-tyrosine + ?
-
-
-
-
?
cinnamaldehyde + 1,4-dithiane-2,5-diol
(2R)-2-phenyl-2,5-dihydrothiophene-3-carbaldehyde
-
asymmetric domino thia-Michael/aldol condensation in MeCN buffer, at 30ưC
-
-
?
cowpea protein + H2O
cowpea protein hydrolysate
-
-
-
-
?
crude cheese whey + H2O
lactoferrin f(20-30) + beta-lactoglobulin f(14-22) + beta-lactoglobulin f(92-103) + ?
-
the porcine pepsin digests of crude cheese whey lead the production of the three peptides with antibacterial activity against Bacillus subtilis (lactoferrin f(20-30) and beta-lactoglobulin f(14-22)) and Escherichia coli (beta-lactoglobulin f(82-103))
-
-
?
Cry1A(b) protein + H2O
?
-
from transgenic maize or from Bacillus thuringiensis
-
-
?
curcumin + H2O
?
-
i.e. diferuloylmethane
-
-
?
dynorphin A (1-7) + H2O
?
HPHLSFMAI + H2O
HPHLSF + Met-Ala-Ile + ?
KPAEFF(NO2)-AL + H2O
?
-
-
-
-
?
KPAEFFRL + H2O
KPAEF + FRL
KPAEFIRL + H2O
KPAEF + IRL
KPAEFRRL + H2O
KPAEF + RRL
KPAEFWRL + H2O
KPAEF + WRL
KPAQFFRL + H2O
KPAQF + FRL
-
best substrate
-
-
?
KPIEF(NO2)RL + H2O
?
-
-
-
?
KPIKF(NO2)RL + H2O
?
-
-
-
?
KPILF(NO2)RL + H2O
?
-
-
-
?
KPIQF(NO2)RL + H2O
?
-
-
-
?
KPPEF(NO2)RL + H2O
?
-
-
-
?
KYSSWYVAL + H2O
KYSSW + YVAL
L-Lys-L-Pro-L-Ala-L-Glu-L-Phe-L-Phe(NO2)-L-Ala-L-Leu + H2O
?
-
-
-
-
?
lactoferrin + H2O
?
-
-
-
-
?
Leu-Ser-Phe(NO2)-Nle-Ala-Leu + H2O
?
-
-
-
-
?
Leu-Ser-Phe(p-NO2)-Nle-Ala-Leu + H2O
?
-
-
-
?
LSF(NO2)-Nle-AL + H2O
?
-
-
-
?
Lys-Pro-Ala-Glu-Phe-Phe(4NO2)-Ala-Leu + H2O
?
Lys-Pro-Ala-Glu-Phe-Phe(NO2)-Ala-Leu + H2O
?
-
-
-
-
?
Lys-Pro-Ala-Glu-Phe-Phe(p-NO2)-Ala-Leu + H2O
?
-
-
-
?
Mca-KKPAEFFALK-Dnp + H2O
Mca-KKPAEF + FFALK-Dnp
this peptide is preferentially cleaved at Phe-Phe, with a second minor cleavage occurring at Phe-Ala
-
-
?
Mca-KLHPEVLFVLEK-Dnp + H2O
Mca-KLHPEVL + FVLEK-Dnp
the preferred cleavage site is between Leu-Phe, a minor cleavage site is between Phe-Ala
-
-
?
metmyoglobin + H2O
?
-
-
treatment with pepsin at pH 4.0 results in lowering the (pseudo)peroxidase activity of metmyoglobin both at physiological pH and at meat pH, leading to strongly enhanced prooxidative effect of mildly proteolyzed metmyoglobin on lipid oxidation
-
?
MOCAc-Ala-Pro-Ala-Lys-Phe-Phe-Arg-Leu-Lys(Dnp)-NH2 + H2O
?
-
-
-
-
?
N,N-dimethyl-casein + H2O
?
N,N-dimethylcasein + H2O
?
-
-
-
-
?
N,N-dimethylhemoglobin + H2O
?
-
-
-
-
?
N-trifluoroacetyl aromatic L-amino acids + H2O
?
-
-
-
-
?
naphthalene-1-carbaldehyde + 1-hydroxypropan-2-one
(3R,4S)-3,4-dihydroxy-4-(naphthalen-1-yl)butan-2-one
-
in MeCN buffer, at 30ưC
-
-
?
NT/NMN (142-151) + H2O
KIPYIL + KRQL
ovalbumin + H2O
?
-
-
-
-
?
ovine immunoglobulin G1 + H2O
?
-
-
-
-
?
ovine immunoglobulin G2 + H2O
?
-
-
-
-
?
oxidized insulin B chain + H2O
FVNQHLCGSHLVEAL + L-Tyr + LVCGERGFFYTPKA
two major cleavage sites are at Leu15-Tyr16 and Tyr16-Leu17
-
-
?
oxidized insulin B chain + H2O
FVNQHLCGSHLVEAL + YLVCGERGFFYTPKA
-
the cleavage specificities clarified with oxidized insulin B chain are restricted to a few bonds consisting of hydrophobic/aromatic residues, such as the Leu15-Tyr16, Phe24-Phe25 and Phe25-Tyr26 bonds
-
-
?
Oxidized insulin B-chain + H2O
?
-
-
-
?
Phe-Gly-His-(4-nitro)Phe-Phe-Ala-Phe-OMe + H2O
?
-
-
-
-
?
POMC (165-174) + H2O
AFPLE + FKREL
Pro-Thr-Glu-Lys-Phe(4-NO2)-Arg-Leu-NH2 + H2O
?
-
-
-
-
?
Pro-Thr-Glu-Phe-(4-nitro)Phe-Arg-Leu + H2O
?
-
-
-
-
?
Pro-Thr-Glu-Phe-(p-nitro-Phe)-Arg-Leu-OH + H2O
Pro-Thr-Glu-Phe + (p-nitro-Phe)-Arg-Leu-OH
-
-
-
?
Pro-Thr-Glu-Phe-Phe(4-NO2)-Arg-Leu + H2O
?
-
-
-
-
?
Ribonuclease + H2O
?
-
reduced and carboxymethylated ribonuclease A
-
?
SGGYDLSFLPQPPQE + H2O
?
-
predominant cleavage of the peptide corresponding to the carboxy-terminal telopeptide region of bovine type I collagen alpha1 chain at Asp-Leu, Leu-Ser and Phe-Leu and at a significant lower rate at Ser-Phe
-
?
Substance P + H2O
?
-
RPKPQQFFGLM
-
-
?
substance P + H2O
RPKPQQF + FGLM
thiophene-2-carbaldehyde + 1-hydroxypropan-2-one
(3R,4R)-3,4-dihydroxy-4-(thiophen-2-yl)butan-2-one
-
in MeCN buffer, at 30ưC
-
-
?
trypsinogen + H2O
trypsin + peptide fragment
-
-
-
?
Z-GGFF-OP4P + H2O
benzyloxycarbonyl-GGF + Phe 3-(4-pyridyl)propyl ester
-
-
-
-
?
additional information
?
-
acetyl-L-phenylalanyl-L-diiodotyrosine + H2O

acetyl-L-phenylalanine + L-diiodotyrosine
-
low activity
-
-
?
acetyl-L-phenylalanyl-L-diiodotyrosine + H2O
acetyl-L-phenylalanine + L-diiodotyrosine
-
-
-
-
?
acetyl-L-phenylalanyl-L-diiodotyrosine + H2O
acetyl-L-phenylalanine + L-diiodotyrosine
-
-
-
-
?
acetyl-L-phenylalanyl-L-diiodotyrosine + H2O
acetyl-L-phenylalanine + L-diiodotyrosine
-
low activity
-
-
?
acetyl-L-phenylalanyl-L-diiodotyrosine + H2O
acetyl-L-phenylalanine + L-diiodotyrosine
-
-
-
-
?
acetyl-L-phenylalanyl-L-diiodotyrosine + H2O
acetyl-L-phenylalanine + L-diiodotyrosine
-
-
-
-
?
acetyl-L-phenylalanyl-L-diiodotyrosine + H2O
acetyl-L-phenylalanine + L-diiodotyrosine
-
-
-
-
?
AFPLEFEREL + H2O

AFPLEF + EREL
-
-
-
-
?
AFPLEFEREL + H2O
AFPLEF + EREL
-
-
-
-
?
AFPLEFFREL + H2O

AFPLEF + FREL
-
-
-
-
?
AFPLEFFREL + H2O
AFPLEF + FREL
-
-
-
-
?
AFPLEFIREL + H2O

AFPLEF + IREL
-
-
-
-
?
AFPLEFIREL + H2O
AFPLEF + IREL
-
-
-
-
?
benzyloxycarbonyl-His-Phe(NO2)-beta-phenyl-L-lactyl-O-methyl ester + H2O

benzyloxycarbonyl-His-Phe(NO2) + phenyl-L-lactyl-O-methyl ester
dogfish
-
-
-
-
?
benzyloxycarbonyl-His-Phe(NO2)-beta-phenyl-L-lactyl-O-methyl ester + H2O
benzyloxycarbonyl-His-Phe(NO2) + phenyl-L-lactyl-O-methyl ester
-
-
-
-
?
benzyloxycarbonyl-His-Phe(NO2)-beta-phenyl-L-lactyl-O-methyl ester + H2O
benzyloxycarbonyl-His-Phe(NO2) + phenyl-L-lactyl-O-methyl ester
salmon
-
-
-
-
?
benzyloxycarbonyl-His-Phe(NO2)-beta-phenyl-L-lactyl-O-methyl ester + H2O
benzyloxycarbonyl-His-Phe(NO2) + phenyl-L-lactyl-O-methyl ester
-
-
-
-
?
benzyloxycarbonyl-His-Phe(NO2)-beta-phenyl-L-lactyl-O-methyl ester + H2O
benzyloxycarbonyl-His-Phe(NO2) + phenyl-L-lactyl-O-methyl ester
shark
-
-
-
-
?
benzyloxycarbonyl-His-Phe(NO2)-beta-phenyl-L-lactyl-O-methyl ester + H2O
benzyloxycarbonyl-His-Phe(NO2) + phenyl-L-lactyl-O-methyl ester
-
-
-
-
?
casein + H2O

?
-
-
-
-
?
dynorphin A (1-7) + H2O

?
-
-
-
-
?
dynorphin A (1-7) + H2O
?
-
-
-
-
?
Hemoglobin + H2O

?
-
-
-
-
?
Hemoglobin + H2O
?
-
-
-
-
?
Hemoglobin + H2O
?
dogfish
-
-
-
-
?
Hemoglobin + H2O
?
-
-
-
-
?
Hemoglobin + H2O
?
-
-
-
-
?
Hemoglobin + H2O
?
-
-
TCA-soluble peptides
-
?
Hemoglobin + H2O
?
-
bovine
-
-
?
Hemoglobin + H2O
?
-
-
-
?
Hemoglobin + H2O
?
-
-
-
-
?
Hemoglobin + H2O
?
-
-
-
-
?
Hemoglobin + H2O
?
-
-
-
-
?
Hemoglobin + H2O
?
-
-
-
-
?
Hemoglobin + H2O
?
-
-
-
-
?
Hemoglobin + H2O
?
-
-
-
-
?
Hemoglobin + H2O
?
-
-
TCA-soluble peptides
-
?
HPHLSFMAI + H2O

HPHLSF + Met-Ala-Ile + ?
-
best substrate
-
-
?
HPHLSFMAI + H2O
HPHLSF + Met-Ala-Ile + ?
-
best substrate
-
-
?
insulin + H2O

?
-
B-chain of oxidized insulin
-
-
?
insulin + H2O
?
-
B-chain of oxidized insulin
-
-
?
KPAEFF(NO2)AL + H2O

?
-
-
-
?
KPAEFF(NO2)AL + H2O
?
-
-
-
-
?
KPAEFFRL + H2O

KPAEF + FRL
-
-
-
-
?
KPAEFFRL + H2O
KPAEF + FRL
-
-
-
?
KPAEFFRL + H2O
KPAEF + FRL
-
-
-
-
?
KPAEFIRL + H2O

KPAEF + IRL
-
-
-
?
KPAEFIRL + H2O
KPAEF + IRL
best substrate for pepsin A1
-
-
?
KPAEFRRL + H2O

KPAEF + RRL
-
-
-
?
KPAEFRRL + H2O
KPAEF + RRL
-
-
-
-
?
KPAEFWRL + H2O

KPAEF + WRL
-
-
-
?
KPAEFWRL + H2O
KPAEF + WRL
best substrate for pepsin A2
-
-
?
KYSSWYVAL + H2O

KYSSW + YVAL
-
-
-
-
?
KYSSWYVAL + H2O
KYSSW + YVAL
-
-
-
-
?
Lys-Pro-Ala-Glu-Phe-Phe(4NO2)-Ala-Leu + H2O

?
-
-
-
-
?
Lys-Pro-Ala-Glu-Phe-Phe(4NO2)-Ala-Leu + H2O
?
-
-
-
-
?
N,N-dimethyl-casein + H2O

?
-
-
-
-
?
N,N-dimethyl-casein + H2O
?
-
-
-
-
?
NT/NMN (142-151) + H2O

KIPYIL + KRQL
-
-
-
-
?
NT/NMN (142-151) + H2O
KIPYIL + KRQL
-
-
-
-
?
POMC (165-174) + H2O

AFPLE + FKREL
-
-
-
-
?
POMC (165-174) + H2O
AFPLE + FKREL
-
-
-
-
?
Proteins + H2O

?
-
enzyme formed from pepsinogen A, agent of gastric digestion in mammals and birds
-
-
?
Proteins + H2O
?
-
preferential cleavage: Phe-, Leu-
-
-
?
Proteins + H2O
?
-
low specificity
-
-
?
Proteins + H2O
?
-
preferential cleavage: Phe-, Leu-
-
-
?
serum albumin + H2O

?
dogfish
-
-
-
-
?
serum albumin + H2O
?
-
-
-
-
?
substance P + H2O

RPKPQQF + FGLM
-
-
-
-
?
substance P + H2O
RPKPQQF + FGLM
-
-
-
-
?
additional information

?
-
-
milk clotting activity
-
-
?
additional information
?
-
dogfish
-
transpeptidation reactions
-
-
?
additional information
?
-
dogfish
-
absolute requirement for L-enantiomer in both the X and Y position of substrate
-
-
?
additional information
?
-
dogfish
-
condensation reaction: pH 4, high substrate concentrations, oligopeptides converted to polymeric products
-
-
?
additional information
?
-
dogfish
-
side chain specificity
-
-
?
additional information
?
-
dogfish
-
organic sulfites
-
-
?
additional information
?
-
-
transpeptidation reactions
-
-
?
additional information
?
-
-
absolute requirement for L-enantiomer in both the X and Y position of substrate
-
-
?
additional information
?
-
-
condensation reaction: pH 4, high substrate concentrations, oligopeptides converted to polymeric products
-
-
?
additional information
?
-
-
side chain specificity
-
-
?
additional information
?
-
-
organic sulfites
-
-
?
additional information
?
-
-
preference for hydrophobic and aromatic residues at PĆ¢ĀĀ1 site of substrate
-
-
?
additional information
?
-
-
pepsin A strongly prefers a hydrophobic/aromatic residue at P1Ć¢ĀĀ in any type of peptide
-
-
?
additional information
?
-
-
amino acids set free by pepsin include tryptophan and phenylalanine. Aromatic amino acids are preferentially exposed and released by the enzyme
-
-
?
additional information
?
-
the cleavage site of isoform PG1 to produce pepsin is clearly at the 41-42 bond of Phe-Ala
-
-
?
additional information
?
-
the enzyme prefers both hydrophobic/aromatic residues and charged residues at the P'1 sites of substrates. Pepsin A1 does not prefer some hydrophobic residues such as Leu, Val, Ala and Met
-
-
?
additional information
?
-
the enzyme prefers both hydrophobic/aromatic residues and charged residues at the P'1 sites of substrates. Pepsin A1 does not prefer some hydrophobic residues such as Leu, Val, Ala and Met
-
-
?
additional information
?
-
-
the enzyme prefers both hydrophobic/aromatic residues and charged residues at the P'1 sites of substrates. Pepsin A1 does not prefer some hydrophobic residues such as Leu, Val, Ala and Met
-
-
?
additional information
?
-
the enzyme prefers both hydrophobic/aromatic residues and charged residues at the P'1 sites of substrates. Pepsin A2 does not prefer some hydrophobic residues such as Leu, Val, Ala and Met
-
-
?
additional information
?
-
the enzyme prefers both hydrophobic/aromatic residues and charged residues at the P'1 sites of substrates. Pepsin A2 does not prefer some hydrophobic residues such as Leu, Val, Ala and Met
-
-
?
additional information
?
-
-
the enzyme prefers both hydrophobic/aromatic residues and charged residues at the P'1 sites of substrates. Pepsin A2 does not prefer some hydrophobic residues such as Leu, Val, Ala and Met
-
-
?
additional information
?
-
salmon
-
transpeptidation reactions
-
-
?
additional information
?
-
salmon
-
absolute requirement for L-enantiomer in both the X and Y position of substrate
-
-
?
additional information
?
-
salmon
-
condensation reaction: pH 4, high substrate concentrations, oligopeptides converted to polymeric products
-
-
?
additional information
?
-
salmon
-
side chain specificity
-
-
?
additional information
?
-
salmon
-
organic sulfites
-
-
?
additional information
?
-
-
transpeptidation reactions
-
-
?
additional information
?
-
-
absolute requirement for L-enantiomer in both the X and Y position of substrate
-
-
?
additional information
?
-
-
condensation reaction: pH 4, high substrate concentrations, oligopeptides converted to polymeric products
-
-
?
additional information
?
-
-
side chain specificity
-
-
?
additional information
?
-
-
organic sulfites
-
-
?
additional information
?
-
shark
-
transpeptidation reactions
-
-
?
additional information
?
-
shark
-
absolute requirement for L-enantiomer in both the X and Y position of substrate
-
-
?
additional information
?
-
shark
-
condensation reaction: pH 4, high substrate concentrations, oligopeptides converted to polymeric products
-
-
?
additional information
?
-
shark
-
side chain specificity
-
-
?
additional information
?
-
shark
-
organic sulfites
-
-
?
additional information
?
-
Edans-Ile-His-Pro-Phe-His-Leu-Val-Ile-His-Thr-Lys-Dabcyl-Arg, Arg-Glu-Edans-Ser-Gln-Asn-Tyr-Pro-Ile-Val-Gln-Lys-Dabcyl-Arg, and Mca-Lys-Ser-Glu-Val-Asn-Leu-Asp-Ala-Glu-Phe-Lys-Dnp are not significantly processed by shewasin A
-
-
?
additional information
?
-
-
Edans-Ile-His-Pro-Phe-His-Leu-Val-Ile-His-Thr-Lys-Dabcyl-Arg, Arg-Glu-Edans-Ser-Gln-Asn-Tyr-Pro-Ile-Val-Gln-Lys-Dabcyl-Arg, and Mca-Lys-Ser-Glu-Val-Asn-Leu-Asp-Ala-Glu-Phe-Lys-Dnp are not significantly processed by shewasin A
-
-
?
additional information
?
-
no activity with ((7-methoxycoumarin-4-yl)acetyl)-Lys-Leu-His-Pro-Glu-Val-Leu-Phe-Val-Leu-Glu-Lys-(2,4-dinitrophenyl), Arg-Glu-(EDANS)-Ile-His-Pro-Phe-His-Leu-Val-Ile-His-Thr-Lys-(DABCYL)-Arg, ((7-methoxycoumarin-4-yl)acetyl)-Lys-Ser-Glu-Val-Asn-Leu-Asp-Ala-Glu-Phe-Lys-(2,4-dinitrophenyl), or ((7-methoxycoumarin-4-yl)acetyl)-Lys-Ala-Leu-Ile-Pro-Ser-Tyr-Lys-Trp-Ser-Lys-(2,4-dinitrophenyl)
-
-
?
additional information
?
-
-
no activity with ((7-methoxycoumarin-4-yl)acetyl)-Lys-Leu-His-Pro-Glu-Val-Leu-Phe-Val-Leu-Glu-Lys-(2,4-dinitrophenyl), Arg-Glu-(EDANS)-Ile-His-Pro-Phe-His-Leu-Val-Ile-His-Thr-Lys-(DABCYL)-Arg, ((7-methoxycoumarin-4-yl)acetyl)-Lys-Ser-Glu-Val-Asn-Leu-Asp-Ala-Glu-Phe-Lys-(2,4-dinitrophenyl), or ((7-methoxycoumarin-4-yl)acetyl)-Lys-Ala-Leu-Ile-Pro-Ser-Tyr-Lys-Trp-Ser-Lys-(2,4-dinitrophenyl)
-
-
?
additional information
?
-
-
milk clotting activity
-
-
?
additional information
?
-
-
preference for hydrophobic L-amino acid residues on both sides of X-Y bond in benzyloxycarbonyl-L-histidyl-X-Y-OR
-
-
?
additional information
?
-
-
transpeptidation reactions
-
-
?
additional information
?
-
-
absolute requirement for L-enantiomer in both the X and Y position of substrate
-
-
?
additional information
?
-
-
condensation reaction: pH 4, high substrate concentrations, oligopeptides converted to polymeric products
-
-
?
additional information
?
-
-
side chain specificity
-
-
?
additional information
?
-
-
organic sulfites
-
-
?
additional information
?
-
-
the active site of pepsin is formed in the intermediate conformation dominant at mildly acidic pH
-
?
additional information
?
-
-
detailed study on the interaction of porcine pepsin A with derivatives of aromatic amino acids immobilized via a carboxyl or amino group to Sepharose activated with divinyl sulfone
-
-
?
additional information
?
-
-
digestibility of maize and sorghum proteins without and after heat-treatment
-
-
?
additional information
?
-
-
solubilization of collagens from the skin of Priacanthus tayenus and Priacanthus macracanthus
-
-
?
additional information
?
-
-
pepsin A strongly prefers a hydrophobic/aromatic residue at P1Ć¢ĀĀ in any type of peptide
-
-
?
additional information
?
-
-
the enzyme prefers both hydrophobic/aromatic residues and charged residues at the P'1 sites of substrates. The enzyme prefers some hydrophobic residues such as Leu, Val, Ala and Met
-
-
?
additional information
?
-
binding study with procyanidin B3
-
-
?
additional information
?
-
-
solubilization of collagens from the skin of Priacanthus tayenus and Priacanthus macracanthus
-
-
?
additional information
?
-
no digestion of Phe-Gly-His-Phe-(p-nitro-Phe)-Ala-Phe-OMe
-
-
?
additional information
?
-
no digestion of Phe-Gly-His-Phe-(p-nitro-Phe)-Ala-Phe-OMe
-
-
?
additional information
?
-
-
no digestion of Phe-Gly-His-Phe-(p-nitro-Phe)-Ala-Phe-OMe
-
-
?
Please wait a moment until the data is sorted. This message will disappear when the data is sorted.
Please wait a moment until the data is sorted. This message will disappear when the data is sorted.
Please wait a moment until the data is sorted. This message will disappear when the data is sorted.
1,2-epoxy-3-(4-nitrophenoxy)propane
acotiamide
-
the activity of pepsin decreases with the increasing concentration of acotiamide (0-0.02 mM)
alpha2-Macroglobulin
-
activity towards reduced and carboxymethylated ribonuclease A is significantly inhibited at pH 5.5, the activity towards a peptide substrate, oxidized insulin B-chain, is scarcely inhibited
-
amastatin
97.2 residual activity at 0.01 mM
bestatin
92.7 residual activity at 0.01 mM
Bis-(beta-chloroethyl)sulfide
Diazoacetyl-DL-norleucine methyl ester
dimethyl sulfoxide
-
1%, complete loss of activity
E-64
89.5 residual activity at 0.01 mM
iodoacetamide
82.1 residual activity at 0.05 mM
leupeptin
91.9 residual activity at 0.01 mM
NaCl
-
30%, activity of pepsin A decreases by 60-65%
p-bromophenylacyl bromide
pefabloc
87.8 residual activity at 1 mM
PI-3
-
inhibitor from Ascaris suum
-
prosegment K36A-mutant of pepsinogen
-
N-terminal, 44 residue prosegment
-
prosegment of pepsinogen
-
N-terminal, 44 residue prosegment
-
prosegment R8A-mutant of pepsinogen
-
N-terminal, 44 residue prosegment
-
prosegment V4A-mutant of pepsinogen
-
N-terminal, 44 residue prosegment
-
Val-D-Leu-Pro-Phe-Phe-Val-D-Leu
1,2-epoxy-3-(4-nitrophenoxy)propane

-
-
1,2-epoxy-3-(4-nitrophenoxy)propane
-
-
1,2-epoxy-3-(4-nitrophenoxy)propane
-
-
1,2-epoxy-3-(4-nitrophenoxy)propane
-
-
1,2-epoxy-3-(4-nitrophenoxy)propane
-
-
1,2-epoxy-3-(4-nitrophenoxy)propane
-
-
1,2-epoxy-3-(4-nitrophenoxy)propane
-
-
amylopectin sulfate

dogfish
-
-
-
amylopectin sulfate
-
-
-
amylopectin sulfate
salmon
-
-
-
amylopectin sulfate
-
-
-
amylopectin sulfate
shark
-
-
-
amylopectin sulfate
-
-
-
Bis-(beta-chloroethyl)sulfide

dogfish
-
-
Bis-(beta-chloroethyl)sulfide
-
-
Bis-(beta-chloroethyl)sulfide
salmon
-
-
Bis-(beta-chloroethyl)sulfide
-
-
Bis-(beta-chloroethyl)sulfide
shark
-
-
Bis-(beta-chloroethyl)sulfide
-
-
Diazoacetyl-DL-norleucine methyl ester

-
presence of Cu2+
Diazoacetyl-DL-norleucine methyl ester
-
presence of Cu2+
Diazoacetyl-DL-norleucine methyl ester
-
presence of Cu2+
Diazoacetyl-DL-norleucine methyl ester
-
presence of Cu2+
Diazoacetyl-DL-norleucine methyl ester
-
presence of Cu2+
Diazoacetyl-DL-norleucine methyl ester
-
presence of Cu2+
Diazoacetyl-DL-norleucine methyl ester
-
presence of Cu2+
dithiothreitol

91.2 residual activity at 2 mM
EDTA

-
2 mM, 11.64% inhibition
EDTA
82.8 residual activity at 5 mM
I2

dogfish
-
-
imidazole

dogfish
-
hemoglobin hydrolysis inhibited, cleavage of small synthetic peptide and ester substrates enhanced
imidazole
-
hemoglobin hydrolysis inhibited, cleavage of small synthetic peptide and ester substrates enhanced
imidazole
salmon
-
hemoglobin hydrolysis inhibited, cleavage of small synthetic peptide and ester substrates enhanced
imidazole
-
hemoglobin hydrolysis inhibited, cleavage of small synthetic peptide and ester substrates enhanced
imidazole
shark
-
hemoglobin hydrolysis inhibited, cleavage of small synthetic peptide and ester substrates enhanced
imidazole
-
hemoglobin hydrolysis inhibited, cleavage of small synthetic peptide and ester substrates enhanced
KCN

dogfish
-
similar effect as with imidazole, hemoglobin hydrolysis inhibited, cleavage of small synthetic peptide and ester substrates enhanced
KCN
-
similar effect as with imidazole, hemoglobin hydrolysis inhibited, cleavage of small synthetic peptide and ester substrates enhanced
KCN
salmon
-
similar effect as with imidazole, hemoglobin hydrolysis inhibited, cleavage of small synthetic peptide and ester substrates enhanced
KCN
-
similar effect as with imidazole, hemoglobin hydrolysis inhibited, cleavage of small synthetic peptide and ester substrates enhanced
KCN
shark
-
similar effect as with imidazole, hemoglobin hydrolysis inhibited, cleavage of small synthetic peptide and ester substrates enhanced
KCN
-
similar effect as with imidazole, hemoglobin hydrolysis inhibited, cleavage of small synthetic peptide and ester substrates enhanced
N-bromosuccinimide

dogfish
-
-
N-bromosuccinimide
salmon
-
-
N-bromosuccinimide
shark
-
-
p-bromophenylacyl bromide

dogfish
-
-
p-bromophenylacyl bromide
-
-
p-bromophenylacyl bromide
-
-
p-bromophenylacyl bromide
salmon
-
-
p-bromophenylacyl bromide
-
-
p-bromophenylacyl bromide
shark
-
-
p-bromophenylacyl bromide
-
-
pepstatin

-
-
pepstatin
complete inhibition at 0.001 mM
pepstatin
-
the intermediate conformation of the enzyme binds the active site inhibitor with a strength similar to that of the native conformation
pepstatin A

-
0.01 mM, 98.2% inhibition
pepstatin A
-
0.005 mM, complete inhibition
pepstatin A
complete inhibition at a molar ratio of 1:20 (pepstatin A:pepsin)
pepstatin A
-
completely inhibited at a pepstatin/pepsin molar ratio of 1:2
pepstatin A
complete inhibition at 0.001 mM
pepstatin A
requires an inhibitor/enzyme ratio of 1:10 to reach about 50% inhibition; requires an inhibitor/enzyme ratio of 1:10 to reach about 60% inhibition
peptides

dogfish
-
29 amino acid peptide liberated in activation of pepsinogen
peptides
-
29 amino acid peptide liberated in activation of pepsinogen
peptides
salmon
-
29 amino acid peptide liberated in activation of pepsinogen
peptides
-
29 amino acid peptide liberated in activation of pepsinogen
peptides
shark
-
29 amino acid peptide liberated in activation of pepsinogen
peptides
-
29 amino acid peptide liberated in activation of pepsinogen
poly-L-lysine

dogfish
-
-
Tetranitromethane

dogfish
-
similar effect as with imidazole, haemoglobin hydrolysis inhibited, cleavage of small synthetic peptide and ester substrates enhanced
Tetranitromethane
-
similar effect as with imidazole, haemoglobin hydrolysis inhibited, cleavage of small synthetic peptide and ester substrates enhanced
Tetranitromethane
salmon
-
similar effect as with imidazole, haemoglobin hydrolysis inhibited, cleavage of small synthetic peptide and ester substrates enhanced
Tetranitromethane
-
similar effect as with imidazole, haemoglobin hydrolysis inhibited, cleavage of small synthetic peptide and ester substrates enhanced
Tetranitromethane
shark
-
similar effect as with imidazole, haemoglobin hydrolysis inhibited, cleavage of small synthetic peptide and ester substrates enhanced
Tetranitromethane
-
similar effect as with imidazole, haemoglobin hydrolysis inhibited, cleavage of small synthetic peptide and ester substrates enhanced
Val-D-Leu-Pro-Phe-Phe-Val-D-Leu

-
-
Val-D-Leu-Pro-Phe-Phe-Val-D-Leu
-
-
Val-D-Leu-Pro-Phe-Phe-Val-D-Leu
-
-
Val-D-Leu-Pro-Phe-Phe-Val-D-Leu
-
competitive
Val-D-Leu-Pro-Phe-Phe-Val-D-Leu
-
-
Val-D-Leu-Pro-Phe-Phe-Val-D-Leu
-
competitive
additional information

dogfish
-
diazoketones; ketenes
-
additional information
-
diazoketones; ketenes
-
additional information
-
diazoketones
-
additional information
-
not inhibited by E-64 and EDTA
-
additional information
-
not inhibited by EDTA, E-64, leupeptin, 4-(2-aminoethyl)benzenesulfonyl fluoride or aprotinin
-
additional information
salmon
-
diazoketones; ketenes
-
additional information
-
diazoketones; ketenes
-
additional information
shark
-
diazoketones; ketenes
-
additional information
not inhibited by Pefabloc, EDTA, E-64, amstatin, and dithiohtreitol
-
additional information
-
not inhibited by Pefabloc, EDTA, E-64, amstatin, and dithiohtreitol
-
additional information
-
diazoketones; ketenes
-
additional information
-
diazoketones
-
additional information
-
-
-
Please wait a moment until the data is sorted. This message will disappear when the data is sorted.
Please wait a moment until the data is sorted. This message will disappear when the data is sorted.
0.00867
((7-methoxycoumarin-4-yl)acetyl)-Lys-Lys-Pro-Ala-Glu-Phe-Phe-Ala-Leu-Lys-(2,4-dinitrophenyl)
at pH 4.0 and 37ưC
0.16
acetyl-Ala-Ala-Lys-Phe(4-NO2)-Ala-Ala-NH2
-
T77D/G78(S)S79 double mutant
0.0000079 - 0.000028
Acid-denatured hemoglobin
-
0.4 - 0.8
benzyloxycarbonyl-Gly-Gly-Phe-Phe 3-(4-pyridyl)propyl ester
0.4 - 1.1
benzyloxycarbonyl-Gly-Phe-Phe 3-(4-pyridyl)propyl ester
0.49
benzyloxycarbonyl-His-Phe-Phe-NH2
-
-
0.18
benzyloxycarbonyl-His-Phe-Phe-O-ethyl ester
-
-
0.37
benzyloxycarbonyl-His-Phe-Phe-O-methyl ester
-
-
0.25
benzyloxycarbonyl-His-Trp-Phe-O-methyl ester
-
-
0.68
benzyloxycarbonyl-His-Tyr-Phe-O-methyl ester
-
-
0.2 - 0.7
benzyloxycarbonyl-Phe-Phe 3-(4-pyridyl)propyl ester
0.04 - 0.37
benzyloxycarbonyl-Phe-Phe-OEt
0.2
bovine serum albumin
-
at 43 mM ionic strength, at pH 2.0 and 37ưC
-
0.034 - 0.083
KPAEFF(NO2)AL
0.011 - 0.035
KPIEF(NO2)RL
0.0051 - 0.0093
KPILF(NO2)RL
0.015 - 0.05
KPIQF(NO2)RL
0.013 - 0.074
KPPEF(NO2)RL
0.048 - 0.075
L-Lys-L-Pro-L-Ala-L-Glu-L-Phe-L-Phe(NO2)-L-Ala-L-Leu
0.019
Leu-Ser-Phe(NO2)-Nle-Ala-Leu
-
-
0.011 - 0.044
Leu-Ser-Phe(p-NO2)-Nle-Ala-Leu
0.015 - 0.041
LSF(NO2)-Nle-AL
0.034
Lys-Pro-Ala-Glu-Phe-Phe(4NO2)-Ala-Leu
-
-
0.0433
Lys-Pro-Ala-Glu-Phe-Phe(NO2)-Ala-Leu
-
pH 5.3, 25ưC
0.043 - 0.098
Lys-Pro-Ala-Glu-Phe-Phe(p-NO2)-Ala-Leu
0.0054
Mca-KKPAEFFALK-Dnp
at pH 4.0 and 37ưC
0.05
N,N-dimethylcasein
-
-
-
0.046
N,N-dimethylhemoglobin
-
-
-
0.022 - 0.029
POMC (165-174)
0.15 - 0.18
Pro-Thr-Glu-Lys-Phe(4-NO2)-Arg-Leu-NH2
0.025 - 0.074
Pro-Thr-Glu-Phe-(p-nitro-Phe)-Arg-Leu-OH
0.04 - 0.2
Pro-Thr-Glu-Phe-Phe(4-NO2)-Arg-Leu
0.0344 - 0.698
Substance P
additional information
additional information
-
0.0000079
Acid-denatured hemoglobin

-
isoform P-III, at pH 2.0 and 37ưC
-
0.000013
Acid-denatured hemoglobin
-
isoform P-II, at pH 2.0 and 37ưC
-
0.000028
Acid-denatured hemoglobin
-
isoform P-I, at pH 2.0 and 37ưC
-
0.3
AFPLEFEREL

-
in 0.2 M sodium formate buffer, pH 4.0, at 37ưC
0.4
AFPLEFEREL
-
in 0.2 M sodium formate buffer, pH 4.0, at 37ưC
0.084
AFPLEFFREL

-
in 0.2 M sodium formate buffer, pH 4.0, at 37ưC
0.17
AFPLEFFREL
-
in 0.2 M sodium formate buffer, pH 4.0, at 37ưC
0.079
AFPLEFIREL

-
in 0.2 M sodium formate buffer, pH 4.0, at 37ưC
0.098
AFPLEFIREL
-
in 0.2 M sodium formate buffer, pH 4.0, at 37ưC
0.4
benzyloxycarbonyl-Gly-Gly-Phe-Phe 3-(4-pyridyl)propyl ester

-
at pH 3.5 and 37ưC
0.8
benzyloxycarbonyl-Gly-Gly-Phe-Phe 3-(4-pyridyl)propyl ester
-
at pH 2.0 and 37ưC
0.4
benzyloxycarbonyl-Gly-Phe-Phe 3-(4-pyridyl)propyl ester

-
at pH 3.5 and 37ưC
1.1
benzyloxycarbonyl-Gly-Phe-Phe 3-(4-pyridyl)propyl ester
-
at pH 2.0 and 37ưC
0.2
benzyloxycarbonyl-Phe-Phe 3-(4-pyridyl)propyl ester

-
at pH 3.0 and 37ưC
0.7
benzyloxycarbonyl-Phe-Phe 3-(4-pyridyl)propyl ester
-
at pH 2.0 and 37ưC
0.04
benzyloxycarbonyl-Phe-Phe-OEt

-
at 43 mM ionic strength, at pH 5.5 and 37ưC
0.26
benzyloxycarbonyl-Phe-Phe-OEt
-
at pH 1.0 and 37ưC
0.33
benzyloxycarbonyl-Phe-Phe-OEt
-
at pH 2.0 and 37ưC
0.37
benzyloxycarbonyl-Phe-Phe-OEt
-
at pH 1.5 and 37ưC
0.76
casein

-
B
0.02
hemoglobin

-
isoform PG2-2, at pH 3.0 and 37ưC
-
0.039
hemoglobin
-
isoform PG1-1, at pH 3.0 and 37ưC
-
0.055
hemoglobin
isoform pepsin 1, in 250 mM sodium acetate buffer (pH 3.0), at 37ưC
-
0.098
hemoglobin
-
pH 3.0, 37ưC
-
0.12
hemoglobin
-
isoform pepsin 1, in 250 mM sodium acetate buffer (pH 3.0), at 37ưC
-
0.034
KPAEFF(NO2)AL

-
pH 3.95, 37ưC, wild-type enzyme
0.036
KPAEFF(NO2)AL
-
mutant enzyme D215E
0.04
KPAEFF(NO2)AL
-
mutant enzyme D32E
0.051
KPAEFF(NO2)AL
-
mutant enzyme D32E/D215E
0.057
KPAEFF(NO2)AL
-
pH 3.95, 37ưC, mutant enzyme S46K/D52N/N54K/Q55R/D60K/S196R/D200G/E202K
0.065
KPAEFF(NO2)AL
-
pH 3.95, 37ưC, mutant enzyme L10M/T12A/E13S
0.07
KPAEFF(NO2)AL
-
pH 3.95, 37ưC, mutant enzyme DELTA240-246/+GD
0.075
KPAEFF(NO2)AL
-
wild-type enzyme
0.075
KPAEFF(NO2)AL
-
pH 3.95, 37ưC, mutant enzyme G2S/D3Y
0.08
KPAEFF(NO2)AL
-
pH 3.95, 37ưC, mutant enzyme G2C/L167C
0.083
KPAEFF(NO2)AL
-
pH 3.95, 37ưC, mutant enzyme G2S/D3Y/L10M/T12A/E13S
0.04
KPAEFFRL

-
at pH 4.0 and 30ưC
0.05
KPAEFFRL
pepsin A1, at pH 4.0 and 30ưC
0.06
KPAEFFRL
-
at pH 4.0 and 37ưC
0.06
KPAEFFRL
-
at pH 4.0 and 45ưC
0.08
KPAEFFRL
pepsin A1, at pH 4.0 and 37ưC
0.1
KPAEFFRL
-
at pH 4.0 and 20ưC
0.1
KPAEFFRL
pepsin A2, at pH 4.0 and 10ưC
0.11
KPAEFFRL
pepsin A2, at pH 4.0 and 20ưC
0.12
KPAEFFRL
pepsin A2, at pH 4.0 and 30ưC
0.13
KPAEFFRL
pepsin A1, at pH 4.0 and 45ưC
0.14
KPAEFFRL
-
at pH 4.0 and 10ưC
0.14
KPAEFFRL
pepsin A2, at pH 4.0 and 37ưC
0.2
KPAEFFRL
pepsin A1, at pH 4.0 and 20ưC
0.24
KPAEFFRL
pepsin A2, at pH 4.0 and 45ưC
0.3
KPAEFFRL
pepsin A1, at pH 4.0 and 10ưC
0.011
KPIEF(NO2)RL

-
pH 3.5, 25ưC, mutant enzyme F111T/L112F/T222V/E287M
0.011
KPIEF(NO2)RL
-
pH 3.5, 25ưC, mutant enzyme T222V/E287M
0.018
KPIEF(NO2)RL
-
pH 3.5, 25ưC, mutant enzyme F111T/L112F/E287M
0.019
KPIEF(NO2)RL
-
pH 3.5, 25ưC, mutant enzyme F111T/L112F
0.02
KPIEF(NO2)RL
-
pH 3.5, 25ưC, mutant enzyme T222V
0.024
KPIEF(NO2)RL
-
pH 3.5, 25ưC, mutant enzyme E287M
0.035
KPIEF(NO2)RL
-
pH 3.5, 25ưC, wild-type enzyme
0.03
KPIKF(NO2)RL

-
pH 3.5, 25ưC, mutant enzyme F111T/L112F/T222V/E287M
0.046
KPIKF(NO2)RL
-
pH 3.5, 25ưC, mutant enzyme F111T/L112F
0.075
KPIKF(NO2)RL
-
pH 3.5, 25ưC, mutant enzyme F111T/L112F/E287M
0.079
KPIKF(NO2)RL
-
pH 3.5, 25ưC, wild-type enzyme
0.085
KPIKF(NO2)RL
-
pH 3.5, 25ưC, mutant enzyme T222V
0.134
KPIKF(NO2)RL
-
pH 3.5, 25ưC, mutant enzyme T222V/E287M
0.16
KPIKF(NO2)RL
-
pH 3.5, 25ưC, mutant enzyme E287M
0.0051
KPILF(NO2)RL

-
pH 3.5, 25ưC, mutant enzyme T222V
0.0052
KPILF(NO2)RL
-
pH 3.5, 25ưC, mutant enzyme T222V/E287M
0.0062
KPILF(NO2)RL
-
pH 3.5, 25ưC, mutant enzyme F111T/L112F/E287M
0.0064
KPILF(NO2)RL
-
pH 3.5, 25ưC, mutant enzyme F111T/L112F/T222V/E287M
0.0081
KPILF(NO2)RL
-
pH 3.5, 25ưC, wild-type enzyme
0.0082
KPILF(NO2)RL
-
pH 3.5, 25ưC, mutant enzyme F111T/L112F
0.0093
KPILF(NO2)RL
-
pH 3.5, 25ưC, mutant enzyme E287M
0.015
KPIQF(NO2)RL

-
pH 3.5, 25ưC, mutant enzyme F111T/L112F/T222V/E287M
0.02
KPIQF(NO2)RL
-
pH 3.5, 25ưC, mutant enzyme T222V
0.034
KPIQF(NO2)RL
-
pH 3.5, 25ưC, mutant enzyme F111T/L112F
0.034
KPIQF(NO2)RL
-
pH 3.5, 25ưC, mutant enzyme F111T/L112F/E287M
0.036
KPIQF(NO2)RL
-
pH 3.5, 25ưC, mutant enzyme T222V/E287M
0.046
KPIQF(NO2)RL
-
pH 3.5, 25ưC, wild-type enzyme
0.05
KPIQF(NO2)RL
-
pH 3.5, 25ưC, mutant enzyme E287M
0.013
KPPEF(NO2)RL

-
pH 3.5, 25ưC, mutant enzyme F111T/L112F/T222V/E287M
0.024
KPPEF(NO2)RL
-
pH 3.5, 25ưC, mutant enzyme F111T/L112F
0.024
KPPEF(NO2)RL
-
pH 3.5, 25ưC, mutant enzyme F111T/L112F/E287M
0.027
KPPEF(NO2)RL
-
pH 3.5, 25ưC, mutant enzyme T222V/E287M
0.042
KPPEF(NO2)RL
-
pH 3.5, 25ưC, mutant enzyme T222V
0.053
KPPEF(NO2)RL
-
pH 3.5, 25ưC, wild-type enzyme
0.074
KPPEF(NO2)RL
-
pH 3.5, 25ưC, mutant enzyme E287M
0.048
L-Lys-L-Pro-L-Ala-L-Glu-L-Phe-L-Phe(NO2)-L-Ala-L-Leu

-
unglycosylated mutant T77N, pH 2.0
0.049
L-Lys-L-Pro-L-Ala-L-Glu-L-Phe-L-Phe(NO2)-L-Ala-L-Leu
-
unglycosylated mutant S281N, pH 2.0
0.052
L-Lys-L-Pro-L-Ala-L-Glu-L-Phe-L-Phe(NO2)-L-Ala-L-Leu
-
glycosylated mutant T77N, pH 2.0
0.055
L-Lys-L-Pro-L-Ala-L-Glu-L-Phe-L-Phe(NO2)-L-Ala-L-Leu
-
unglycosylated mutant E244N/V246T, pH 2.0
0.062
L-Lys-L-Pro-L-Ala-L-Glu-L-Phe-L-Phe(NO2)-L-Ala-L-Leu
-
wild-type, pH 2.0
0.064
L-Lys-L-Pro-L-Ala-L-Glu-L-Phe-L-Phe(NO2)-L-Ala-L-Leu
-
unglycosylated mutant S110N/L112T, pH 2.0
0.068
L-Lys-L-Pro-L-Ala-L-Glu-L-Phe-L-Phe(NO2)-L-Ala-L-Leu
-
glycosylated mutant E244N/V246T, pH 2.0
0.069
L-Lys-L-Pro-L-Ala-L-Glu-L-Phe-L-Phe(NO2)-L-Ala-L-Leu
-
glycosylated mutant S281N, pH 2.0
0.075
L-Lys-L-Pro-L-Ala-L-Glu-L-Phe-L-Phe(NO2)-L-Ala-L-Leu
-
glycosylated mutant S110N/L112T, pH 2.0
0.011
Leu-Ser-Phe(p-NO2)-Nle-Ala-Leu

-
pH 3.95, 37ưC, wild-type enzyme
0.04
Leu-Ser-Phe(p-NO2)-Nle-Ala-Leu
-
pH 3.95, 37ưC, mutant enzyme G76A
0.041
Leu-Ser-Phe(p-NO2)-Nle-Ala-Leu
-
pH 3.95, 37ưC, mutant enzyme G76S
0.044
Leu-Ser-Phe(p-NO2)-Nle-Ala-Leu
-
pH 3.95, 37ưC, mutant enzyme G76V
0.015
LSF(NO2)-Nle-AL

-
pH 3.95, 37ưC, mutant enzyme DELTA240-246/+GD
0.018
LSF(NO2)-Nle-AL
-
pH 3.95, 37ưC, mutant enzyme G2C/L167C
0.019
LSF(NO2)-Nle-AL
-
pH 3.95, 37ưC, wild-type enzyme
0.028
LSF(NO2)-Nle-AL
-
pH 3.95, 37ưC, mutant enzyme G2S/D3Y
0.028
LSF(NO2)-Nle-AL
-
pH 3.95, 37ưC, mutant enzyme G2S/D3Y/L10M/T12A/E13S
0.031
LSF(NO2)-Nle-AL
-
pH 3.95, 37ưC, mutant enzyme S46K/D52N/N54K/Q55R/D60K/S196R/D200G/E202K
0.041
LSF(NO2)-Nle-AL
-
pH 3.95, 37ưC, mutant enzyme L10M/T12A/E13S
0.043
Lys-Pro-Ala-Glu-Phe-Phe(p-NO2)-Ala-Leu

-
pH 2.1, 37ưC, wild-type enzyme
0.071
Lys-Pro-Ala-Glu-Phe-Phe(p-NO2)-Ala-Leu
-
pH 2.1, 37ưC, mutant enzyme G76V
0.085
Lys-Pro-Ala-Glu-Phe-Phe(p-NO2)-Ala-Leu
-
pH 2.1, 37ưC, mutant enzyme G76S
0.098
Lys-Pro-Ala-Glu-Phe-Phe(p-NO2)-Ala-Leu
-
pH 2.1, 37ưC, mutant enzyme G76A
0.022
POMC (165-174)

-
in 0.2 M sodium formate buffer, pH 4.0, at 37ưC
0.029
POMC (165-174)
-
in 0.2 M sodium formate buffer, pH 4.0, at 37ưC
0.15
Pro-Thr-Glu-Lys-Phe(4-NO2)-Arg-Leu-NH2

-
T77D/G78(S)S79 double mutant
0.18
Pro-Thr-Glu-Lys-Phe(4-NO2)-Arg-Leu-NH2
-
T77D mutant
0.025
Pro-Thr-Glu-Phe-(p-nitro-Phe)-Arg-Leu-OH

37ưC, acidic pH
0.074
Pro-Thr-Glu-Phe-(p-nitro-Phe)-Arg-Leu-OH
37ưC, acidic pH
0.04
Pro-Thr-Glu-Phe-Phe(4-NO2)-Arg-Leu

-
wild-type
0.06
Pro-Thr-Glu-Phe-Phe(4-NO2)-Arg-Leu
-
T77D/G78(S)S79 double mutant
0.17
Pro-Thr-Glu-Phe-Phe(4-NO2)-Arg-Leu
-
G78(S)S79 mutant
0.2
Pro-Thr-Glu-Phe-Phe(4-NO2)-Arg-Leu
-
T77D mutant
0.0344
Substance P

-
isoform PG2-2, at pH 3.0 and 37ưC
0.698
Substance P
-
isoform PG1-1, at pH 3.0 and 37ưC
additional information
additional information

-
-
-
additional information
additional information
-
-
-
additional information
additional information
-
-
-
additional information
additional information
salmon
-
-
-
additional information
additional information
shark
-
-
-
additional information
additional information
-
-
-
additional information
additional information
dogfish
-
-
-
additional information
additional information
-
pH-dependence of Km-value of N-trifluoroacetyl aromatic amino acids
-
Please wait a moment until the data is sorted. This message will disappear when the data is sorted.
3.51
((7-methoxycoumarin-4-yl)acetyl)-Lys-Lys-Pro-Ala-Glu-Phe-Phe-Ala-Leu-Lys-(2,4-dinitrophenyl)
at pH 4.0 and 37ưC
5.43 - 19.1
Acid-denatured hemoglobin
-
56.5 - 71.8
benzyloxycarbonyl-Gly-Gly-Phe-Phe 3-(4-pyridyl)propyl ester
2.2 - 3.1
benzyloxycarbonyl-Gly-Phe-Phe 3-(4-pyridyl)propyl ester
0.21
benzyloxycarbonyl-His-Phe-Phe-NH2
-
-
0.31
benzyloxycarbonyl-His-Phe-Phe-O-ethyl ester
-
-
0.15
benzyloxycarbonyl-His-Phe-Phe-O-methyl ester
-
-
0.013
benzyloxycarbonyl-His-Trp-Phe-O-methyl ester
-
-
0.013
benzyloxycarbonyl-His-Tyr-Phe-O-methyl ester
-
-
0.49 - 0.74
benzyloxycarbonyl-Phe-Phe 3-(4-pyridyl)propyl ester
0.08 - 0.13
benzyloxycarbonyl-Phe-Phe-OEt
4.44
bovine serum albumin
-
at 43 mM ionic strength, at pH 2.0 and 37ưC
-
16 - 162
L-Lys-L-Pro-L-Ala-L-Glu-L-Phe-L-Phe(NO2)-L-Ala-L-Leu
1.2 - 88.7
Leu-Ser-Phe(p-NO2)-Nle-Ala-Leu
56
Lys-Pro-Ala-Glu-Phe-Phe(NO2)-Ala-Leu
-
pH 5.3, 25ưC
2.5 - 181
Lys-Pro-Ala-Glu-Phe-Phe(p-NO2)-Ala-Leu
0.03
Mca-KKPAEFFALK-Dnp
at pH 4.0 and 37ưC
7
N,N-dimethylcasein
-
-
-
18.3
N,N-dimethylhemoglobin
-
-
-
0.54 - 3.32
Pro-Thr-Glu-Phe-(p-nitro-Phe)-Arg-Leu-OH
additional information
additional information
-
5.43
Acid-denatured hemoglobin

-
isoform P-I, at pH 2.0 and 37ưC
-
8.37
Acid-denatured hemoglobin
-
isoform P-II, at pH 2.0 and 37ưC
-
19.1
Acid-denatured hemoglobin
-
isoform P-III, at pH 2.0 and 37ưC
-
8.9
AFPLEFEREL

-
in 0.2 M sodium formate buffer, pH 4.0, at 37ưC
45
AFPLEFEREL
-
in 0.2 M sodium formate buffer, pH 4.0, at 37ưC
85
AFPLEFFREL

-
in 0.2 M sodium formate buffer, pH 4.0, at 37ưC
472
AFPLEFFREL
-
in 0.2 M sodium formate buffer, pH 4.0, at 37ưC
56
AFPLEFIREL

-
in 0.2 M sodium formate buffer, pH 4.0, at 37ưC
203
AFPLEFIREL
-
in 0.2 M sodium formate buffer, pH 4.0, at 37ưC
56.5
benzyloxycarbonyl-Gly-Gly-Phe-Phe 3-(4-pyridyl)propyl ester

-
at pH 2.0 and 37ưC
71.8
benzyloxycarbonyl-Gly-Gly-Phe-Phe 3-(4-pyridyl)propyl ester
-
at pH 3.5 and 37ưC
2.2
benzyloxycarbonyl-Gly-Phe-Phe 3-(4-pyridyl)propyl ester

-
at pH 2.0 and 37ưC
3.1
benzyloxycarbonyl-Gly-Phe-Phe 3-(4-pyridyl)propyl ester
-
at pH 3.5 and 37ưC
0.49
benzyloxycarbonyl-Phe-Phe 3-(4-pyridyl)propyl ester

-
at pH 2.0 and 37ưC
0.74
benzyloxycarbonyl-Phe-Phe 3-(4-pyridyl)propyl ester
-
at pH 3.0 and 37ưC
0.08
benzyloxycarbonyl-Phe-Phe-OEt

-
at 43 mM ionic strength, at pH 5.5 and 37ưC
0.1
benzyloxycarbonyl-Phe-Phe-OEt
-
at pH 1.0 and 37ưC
0.11
benzyloxycarbonyl-Phe-Phe-OEt
-
at pH 2.0 and 37ưC
0.13
benzyloxycarbonyl-Phe-Phe-OEt
-
at pH 1.5 and 37ưC
7.34
hemoglobin

isoform pepsin 1, in 250 mM sodium acetate buffer (pH 3.0), at 37ưC
-
23.2
hemoglobin
-
isoform pepsin 1, in 250 mM sodium acetate buffer (pH 3.0), at 37ưC
-
50
hemoglobin
-
pH 3.0, 37ưC
-
52.7
hemoglobin
-
isoform PG1-1, at pH 3.0 and 37ưC
-
62.9
hemoglobin
-
isoform PG2-2, at pH 3.0 and 37ưC
-
5
KPAEFF(NO2)AL

-
mutant enzyme D32E/D215E
6
KPAEFF(NO2)AL
-
mutant enzyme D32E
25
KPAEFF(NO2)AL
-
mutant enzyme D215E
96
KPAEFF(NO2)AL
-
wild-type enzyme
4.69
KPAEFFRL

pepsin A1, at pH 4.0 and 10ưC
4.92
KPAEFFRL
pepsin A1, at pH 4.0 and 20ưC
8.19
KPAEFFRL
pepsin A1, at pH 4.0 and 30ưC
9.73
KPAEFFRL
-
at pH 4.0 and 10ưC
12.4
KPAEFFRL
-
at pH 4.0 and 20ưC
18.6
KPAEFFRL
pepsin A1, at pH 4.0 and 37ưC
18.7
KPAEFFRL
pepsin A2, at pH 4.0 and 10ưC
21.9
KPAEFFRL
-
at pH 4.0 and 30ưC
28.9
KPAEFFRL
pepsin A2, at pH 4.0 and 20ưC
33.3
KPAEFFRL
-
at pH 4.0 and 37ưC
36.5
KPAEFFRL
pepsin A1, at pH 4.0 and 45ưC
74.7
KPAEFFRL
pepsin A2, at pH 4.0 and 30ưC
75.9
KPAEFFRL
-
at pH 4.0 and 45ưC
139.2
KPAEFFRL
pepsin A2, at pH 4.0 and 37ưC
215.5
KPAEFFRL
pepsin A2, at pH 4.0 and 45ưC
0.24
KPIEF(NO2)RL

-
pH 3.5, 25ưC, mutant enzyme F111T/L112F/E287M
41.5
KPIEF(NO2)RL
-
pH 3.5, 25ưC, mutant enzyme T222V
52.3
KPIEF(NO2)RL
-
pH 3.5, 25ưC, mutant enzyme F111T/L112F/T222V/E287M
56.8
KPIEF(NO2)RL
-
pH 3.5, 25ưC, mutant enzyme T222V/E287M
60.7
KPIEF(NO2)RL
-
pH 3.5, 25ưC, mutant enzyme E287M
68.9
KPIEF(NO2)RL
-
pH 3.5, 25ưC, wild-type enzyme
72.5
KPIEF(NO2)RL
-
pH 3.5, 25ưC, mutant enzyme F111T/L112F
97.8
KPIEF(NO2)RL
-
pH 3.5, 25ưC, mutant enzyme F111T/L112F/E287M
0.63
KPIKF(NO2)RL

-
pH 3.5, 25ưC, mutant enzyme F111T/L112F/E287M
32.3
KPIKF(NO2)RL
-
pH 3.5, 25ưC, mutant enzyme F111T/L112F/T222V/E287M
38.8
KPIKF(NO2)RL
-
pH 3.5, 25ưC, mutant enzyme F111T/L112F
38.9
KPIKF(NO2)RL
-
pH 3.5, 25ưC, wild-type enzyme
40.5
KPIKF(NO2)RL
-
pH 3.5, 25ưC, mutant enzyme T222V
41.4
KPIKF(NO2)RL
-
pH 3.5, 25ưC, mutant enzyme F111T/L112F/E287M
44.2
KPIKF(NO2)RL
-
pH 3.5, 25ưC, mutant enzyme E287M
55.5
KPIKF(NO2)RL
-
pH 3.5, 25ưC, mutant enzyme T222V/E287M
0.8
KPILF(NO2)RL

-
pH 3.5, 25ưC, mutant enzyme T222V/E287M
8
KPILF(NO2)RL
-
pH 3.5, 25ưC, mutant enzyme F111T/L112F/E287M
14
KPILF(NO2)RL
-
pH 3.5, 25ưC, wild-type enzyme
22.1
KPILF(NO2)RL
-
pH 3.5, 25ưC, mutant enzyme T222V
34.4
KPILF(NO2)RL
-
pH 3.5, 25ưC, mutant enzyme E287M
35.6
KPILF(NO2)RL
-
pH 3.5, 25ưC, mutant enzyme T222V/E287M
36.3
KPILF(NO2)RL
-
pH 3.5, 25ưC, mutant enzyme F111T/L112F/T222V/E287M
53.1
KPILF(NO2)RL
-
pH 3.5, 25ưC, mutant enzyme F111T/L112F
60.4
KPILF(NO2)RL
-
pH 3.5, 25ưC, mutant enzyme F111T/L112F/E287M
0.1
KPIQF(NO2)RL

-
pH 3.5, 25ưC, wild-type enzyme
0.19
KPIQF(NO2)RL
-
pH 3.5, 25ưC, mutant enzyme T222V
0.24
KPIQF(NO2)RL
-
pH 3.5, 25ưC, mutant enzyme F111T/L112F/E287M
0.53
KPIQF(NO2)RL
-
pH 3.5, 25ưC, mutant enzyme F111T/L112F
2 - 3.7
KPIQF(NO2)RL
-
pH 3.5, 25ưC, mutant enzyme E287M
2.8
KPIQF(NO2)RL
-
pH 3.5, 25ưC, mutant enzyme T222V/E287M
47.9
KPIQF(NO2)RL
-
pH 3.5, 25ưC, wild-type enzyme
49.7
KPIQF(NO2)RL
-
pH 3.5, 25ưC, mutant enzyme T222V
68.9
KPIQF(NO2)RL
-
pH 3.5, 25ưC, mutant enzyme F111T/L112F/T222V/E287M
77.4
KPIQF(NO2)RL
-
pH 3.5, 25ưC, mutant enzyme T222V/E287M
82.2
KPIQF(NO2)RL
-
pH 3.5, 25ưC, mutant enzyme F111T/L112F
85.2
KPIQF(NO2)RL
-
pH 3.5, 25ưC, mutant enzyme E287M
97.7
KPIQF(NO2)RL
-
pH 3.5, 25ưC, mutant enzyme F111T/L112F/E287M
0.21
KPPEF(NO2)RL

-
pH 3.5, 25ưC, mutant enzyme F111T/L112F/E287M
7
KPPEF(NO2)RL
-
pH 3.5, 25ưC, mutant enzyme F111T/L112F/T222V/E287M
47.3
KPPEF(NO2)RL
-
pH 3.5, 25ưC, wild-type enzyme
58.9
KPPEF(NO2)RL
-
pH 3.5, 25ưC, mutant enzyme F111T/L112F/T222V/E287M
62.3
KPPEF(NO2)RL
-
pH 3.5, 25ưC, mutant enzyme E287M
62.3
KPPEF(NO2)RL
-
pH 3.5, 25ưC, mutant enzyme F111T/L112F
70
KPPEF(NO2)RL
-
pH 3.5, 25ưC, mutant enzyme T222V/E287M
71.4
KPPEF(NO2)RL
-
pH 3.5, 25ưC, mutant enzyme T222V
79.8
KPPEF(NO2)RL
-
pH 3.5, 25ưC, mutant enzyme F111T/L112F/E287M
16
L-Lys-L-Pro-L-Ala-L-Glu-L-Phe-L-Phe(NO2)-L-Ala-L-Leu

-
unglycosylated mutant S110N/L112T, pH 2.0
53
L-Lys-L-Pro-L-Ala-L-Glu-L-Phe-L-Phe(NO2)-L-Ala-L-Leu
-
glycosylated mutant T77N, pH 2.0
54
L-Lys-L-Pro-L-Ala-L-Glu-L-Phe-L-Phe(NO2)-L-Ala-L-Leu
-
glycosylated mutant S110N/L112T, pH 2.0
68.7
L-Lys-L-Pro-L-Ala-L-Glu-L-Phe-L-Phe(NO2)-L-Ala-L-Leu
-
glycosylated mutant S281N, pH 2.0
70.6
L-Lys-L-Pro-L-Ala-L-Glu-L-Phe-L-Phe(NO2)-L-Ala-L-Leu
-
glycosylated mutant E244N/V246T, pH 2.0
121
L-Lys-L-Pro-L-Ala-L-Glu-L-Phe-L-Phe(NO2)-L-Ala-L-Leu
-
unglycosylated mutant E244N/V246T, pH 2.0
127
L-Lys-L-Pro-L-Ala-L-Glu-L-Phe-L-Phe(NO2)-L-Ala-L-Leu
-
unglycosylated mutant S281N, pH 2.0
150.3
L-Lys-L-Pro-L-Ala-L-Glu-L-Phe-L-Phe(NO2)-L-Ala-L-Leu
-
unglycosylated mutant S110N/L112T, pH 2.0
154
L-Lys-L-Pro-L-Ala-L-Glu-L-Phe-L-Phe(NO2)-L-Ala-L-Leu
-
unglycosylated mutant T77N, pH 2.0
162
L-Lys-L-Pro-L-Ala-L-Glu-L-Phe-L-Phe(NO2)-L-Ala-L-Leu
-
wild-type, pH 2.0
1.2
Leu-Ser-Phe(p-NO2)-Nle-Ala-Leu

-
pH 3.95, 37ưC, mutant enzyme G76V
2.9
Leu-Ser-Phe(p-NO2)-Nle-Ala-Leu
-
pH 3.95, 37ưC, mutant enzyme G76S
23.8
Leu-Ser-Phe(p-NO2)-Nle-Ala-Leu
-
pH 3.95, 37ưC, wild-type enzyme
43.4
Leu-Ser-Phe(p-NO2)-Nle-Ala-Leu
-
pH 3.95, 37ưC, mutant enzyme G76A
88.7
Leu-Ser-Phe(p-NO2)-Nle-Ala-Leu
-
pH 3.95, 37ưC, wild-type enzyme
2.5
Lys-Pro-Ala-Glu-Phe-Phe(p-NO2)-Ala-Leu

-
pH 2.1, 37ưC, mutant enzyme G76S
11.1
Lys-Pro-Ala-Glu-Phe-Phe(p-NO2)-Ala-Leu
-
pH 2.1, 37ưC, mutant enzyme G76V
47
Lys-Pro-Ala-Glu-Phe-Phe(p-NO2)-Ala-Leu
-
pH 2.1, 37ưC, mutant enzyme G76A
180.5
Lys-Pro-Ala-Glu-Phe-Phe(p-NO2)-Ala-Leu
-
pH 2.1, 37ưC, wild-type enzyme
181
Lys-Pro-Ala-Glu-Phe-Phe(p-NO2)-Ala-Leu
-
pH 2.1, 37ưC, wild-type enzyme
2.7
POMC (165-174)

-
in 0.2 M sodium formate buffer, pH 4.0, at 37ưC
3.7
POMC (165-174)
-
in 0.2 M sodium formate buffer, pH 4.0, at 37ưC
0.54
Pro-Thr-Glu-Phe-(p-nitro-Phe)-Arg-Leu-OH

37ưC, acidic pH
3.32
Pro-Thr-Glu-Phe-(p-nitro-Phe)-Arg-Leu-OH
37ưC, acidic pH
38.8
Substance P

-
isoform PG2-2, at pH 3.0 and 37ưC
61
Substance P
-
isoform PG1-1, at pH 3.0 and 37ưC
additional information
additional information

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additional information
additional information
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additional information
additional information
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additional information
additional information
salmon
-
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additional information
additional information
shark
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-
additional information
additional information
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additional information
additional information
dogfish
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-
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additional information
additional information
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pH-dependence of turnover number of N-trifluoroacetyl aromatic amino acids
-
additional information
additional information
-
turnover numbers for loop mutant enzyme S238-M234 and Y274-T283
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