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Literature summary for 3.4.22.1 extracted from

  • Lamsal, M.; Agarwal, S.K.; Choudhury, S.D.; Khan, M.Y.
    Purification and tissue/species dependence of the specificity of buffalo kidney cathepsin B (1997), Indian J. Biochem. Biophys., 34, 461-469.
    View publication on PubMed

Activating Compound

Activating Compound Comment Organism Structure
2-mercaptoethanol activates Bubalus bubalis
cysteamine activates Bubalus bubalis
cysteine activates Bubalus bubalis
dithiothreitol activates Bubalus bubalis

Inhibitors

Inhibitors Comment Organism Structure
antipain
-
Bubalus bubalis
leupeptin
-
Bubalus bubalis

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.00143 0.00217 hemoglobin
-
Bubalus bubalis
0.09
-
benzyloxycarbonyl-Phe-Arg-4-methylcoumaryl-7-amide
-
Bubalus bubalis
0.17
-
benzyloxycarbonyl-Arg-Arg-4-methylcoumaryl-7-amide
-
Bubalus bubalis
2.08
-
benzoyl-DL-Arg-p-nitroanilide
-
Bubalus bubalis
3.3
-
benzoyl-DL-Arg-beta-naphthylamide
-
Bubalus bubalis

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
25500 27000 gel filtration, SDS-PAGE Bubalus bubalis

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
Proteins + H2O Bubalus bubalis
-
?
-
?

Organism

Organism UniProt Comment Textmining
Bubalus bubalis
-
-
-

Posttranslational Modification

Posttranslational Modification Comment Organism
side-chain modification glycoprotein Bubalus bubalis
side-chain modification 3.6% carbohydrate Bubalus bubalis

Purification (Commentary)

Purification (Comment) Organism
-
Bubalus bubalis

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
0.385
-
benzoyl-DL-Arg-beta-naphthylamide as substrate Bubalus bubalis
0.851
-
benzyloxycarbonyl-Arg-Arg-4-methylcoumaryl-7-amide as substrate Bubalus bubalis
1.538
-
benzyloxycarbonyl-Phe-Arg-4-methylcoumaryl-7-amide as substrate Bubalus bubalis

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
benzoyl-DL-Arg-beta-naphthylamide + H2O
-
Bubalus bubalis benzoyl-DL-Arg + beta-naphthylamine
-
?
benzoyl-DL-Arg-p-nitroanilide + H2O
-
Bubalus bubalis benzoyl-DL-Arg + p-nitroaniline
-
?
benzyloxycarbonyl-Arg-Arg-4-methylcoumarin 7-amide + H2O
-
Bubalus bubalis benzyloxycarbonyl-Arg-Arg + 7-amino-4-methylcoumarin
-
?
benzyloxycarbonyl-Phe-Arg-4-methylcoumarin-7-amide
-
Bubalus bubalis benzyloxycarbonyl-Phe-Arg + 7-amino-4-methylcoumarin
-
?
Bovine serum albumin + H2O
-
Bubalus bubalis Hydrolyzed bovine serum albumin
-
?
casein + H2O
-
Bubalus bubalis hydrolyzed casein
-
?
Hemoglobin + H2O from goat and from buffalo Bubalus bubalis Hydrolyzed hemoglobin
-
?
Proteins + H2O
-
Bubalus bubalis ?
-
?

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
40
-
-
Bubalus bubalis

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
6.8
-
-
Bubalus bubalis