Any feedback?
Please rate this page
(literature.php)
(0/150)

BRENDA support

Literature summary for 3.4.11.5 extracted from

  • Basten, D.E.J.W.; Moers, A.P.H.A.; van Ooyen, A.J.J.; Schaap, P.J.
    Characterisation of Aspergillus niger prolyl aminopeptidase (2005), Mol. Gen. Genet., 272, 673-679.
    View publication on PubMed

Cloned(Commentary)

Cloned (Comment) Organism
expressed in Escherichia coli Aspergillus niger

Inhibitors

Inhibitors Comment Organism Structure
PCMB
-
Aspergillus niger
TLCK
-
Aspergillus niger
TPCK
-
Aspergillus niger

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.037
-
Pro-4-nitroanilide
-
Aspergillus niger

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
50000
-
6 * 50000, SDS-PAGE Aspergillus niger
316000
-
gel filtration of the native enzyme Aspergillus niger

Organism

Organism UniProt Comment Textmining
Aspergillus niger Q96VT2
-
-

Purification (Commentary)

Purification (Comment) Organism
four chromatography steps Aspergillus niger

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
0.21
-
Pro-4-nitroanilide, cell free extract at 30°C, pH 7.5 Aspergillus niger
6.6
-
PLSRTLSVAAKK, at 30°C, pH 7.5 Aspergillus niger
33.4
-
Pro-Leu-Gly-NH2, at 30°C, pH 7.5 Aspergillus niger
55.5
-
PPGFSPFR, at 30°C, pH 7.5 Aspergillus niger
85.5
-
Pro-Ala, at 30°C, pH 7.5 Aspergillus niger
290
-
Pro-4-nitroanilide, four-fold purified enzyme at 30°C, pH 7.5 Aspergillus niger

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
Ala-Pro + H2O
-
Aspergillus niger L-alanine + L-proline
-
?
L-hydroxyprolyl-2-naphthylamide + H2O
-
Aspergillus niger L-hydroxyproline + 2-naphthylamine
-
?
PLSRTLSVAAKK + H2O
-
Aspergillus niger LSRTLSVAAKK + L-proline
-
?
PPGFSPFR + H2O
-
Aspergillus niger PGFSPFR + L-proline
-
?
Pro-2-naphthylamide + H2O
-
Aspergillus niger 2-naphthylamine + L-proline
-
?
Pro-4-nitroanilide + H2O
-
Aspergillus niger 4-nitroaniline + L-proline
-
?
Pro-Ala + H2O
-
Aspergillus niger L-alanine + L-proline
-
?
Pro-Leu-Gly-NH2 + H2O
-
Aspergillus niger Leu-Gly-NH2 + L-proline
-
?

Subunits

Subunits Comment Organism
hexamer 6 * 50000, SDS-PAGE Aspergillus niger

Synonyms

Synonyms Comment Organism
PAP
-
Aspergillus niger
Prolyl aminopeptidase
-
Aspergillus niger

Temperature Stability [°C]

Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
-
37 significant activity decrease at 50°C Aspergillus niger

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
7.5
-
-
Aspergillus niger

pH Range

pH Minimum pH Maximum Comment Organism
7 8
-
Aspergillus niger

pH Stability

pH Stability pH Stability Maximum Comment Organism
5 8 highest stability found between pH 6 an 7 Aspergillus niger