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Literature summary for 3.4.22.1 extracted from

  • Aranishi, F.; Hara, K.; Osatomi, K.; Ishihara, T.
    Purification and characterization of cathepsin B from hepatopancreas of carp Cyprinus carpio (1997), Comp. Biochem. Physiol. B, 117, 579-587.
No PubMed abstract available

Activating Compound

Activating Compound Comment Organism Structure
2-mercaptoethanol activates Cyprinus carpio
cysteine activates Cyprinus carpio
EDTA activates Cyprinus carpio

Inhibitors

Inhibitors Comment Organism Structure
5,5'-dithiobis-2-nitrobenzoic acid
-
Cyprinus carpio
antipain
-
Cyprinus carpio
Cd2+
-
Cyprinus carpio
chymostatin
-
Cyprinus carpio
Cu2+
-
Cyprinus carpio
Hg2+
-
Cyprinus carpio
L-3-carboxy-2,3-trans-epoxypropionyl-leucylamido-(4-guanidino)butane E-64 Cyprinus carpio
leupeptin
-
Cyprinus carpio
N-tosyl-lysyl chloromethylketone
-
Cyprinus carpio
N-tosyl-phenylalanine chloromethylketone
-
Cyprinus carpio
p-chloromercuribenzoate
-
Cyprinus carpio
Zn2+
-
Cyprinus carpio

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.093
-
benzyloxycarbonyl-Arg-Arg-4-methylcoumaryl-7-amide
-
Cyprinus carpio
0.129
-
benzyloxycarbonyl-Phe-Arg-4-methylcoumaryl-7-amide
-
Cyprinus carpio

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
29000 30000 gel filtration Cyprinus carpio
29000 30000 native PAGE Cyprinus carpio

Natural Substrates/ Products (Substrates)

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

Organism

Organism UniProt Comment Textmining
Cyprinus carpio
-
carp
-

Purification (Commentary)

Purification (Comment) Organism
-
Cyprinus carpio

Source Tissue

Source Tissue Comment Organism Textmining
hepatopancreas
-
Cyprinus carpio
-

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
benzyloxycarbonyl-Arg-Arg-4-methylcoumarin 7-amide + H2O
-
Cyprinus carpio benzyloxycarbonyl-Arg-Arg + 7-amino-4-methylcoumarin
-
?
benzyloxycarbonyl-Phe-Arg-4-methylcoumarin-7-amide
-
Cyprinus carpio benzyloxycarbonyl-Phe-Arg + 7-amino-4-methylcoumarin
-
?
Proteins + H2O
-
Cyprinus carpio ?
-
?

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
45
-
-
Cyprinus carpio

Temperature Range [°C]

Temperature Minimum [°C] Temperature Maximum [°C] Comment Organism
30 55 greater activity than 50% of maximum Cyprinus carpio

Turnover Number [1/s]

Turnover Number Minimum [1/s] Turnover Number Maximum [1/s] Substrate Comment Organism Structure
8.97
-
benzyloxycarbonyl-Arg-Arg-4-methylcoumaryl-7-amide
-
Cyprinus carpio
34
-
benzyloxycarbonyl-Phe-Arg-4-methylcoumaryl-7-amide
-
Cyprinus carpio

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
6
-
-
Cyprinus carpio

pH Stability

pH Stability pH Stability Maximum Comment Organism
5.5 6.5 stable Cyprinus carpio