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Literature summary for 3.4.22.1 extracted from

  • Takahashi, K.; Isemura, M.; Ikenaka, R.
    Isolation and characterization of three forms of cathepsin B from porcine liver (1979), J. Biochem., 85, 1053-1060.
    View publication on PubMed

Inhibitors

Inhibitors Comment Organism Structure
1-tosylamide-2-phenylethyl chloromethylketone
-
Sus scrofa
antipain
-
Sus scrofa
Hg2+
-
Sus scrofa
iodoacetic acid
-
Sus scrofa
leupeptin
-
Sus scrofa
p-chloromercuribenzoate
-
Sus scrofa

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
Proteins + H2O Sus scrofa turnover of intracellular proteins ?
-
?

Organism

Organism UniProt Comment Textmining
Sus scrofa
-
-
-

Purification (Commentary)

Purification (Comment) Organism
-
Sus scrofa

Source Tissue

Source Tissue Comment Organism Textmining
liver
-
Sus scrofa
-

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
0.13 0.17 benzoyl-L-ethyl ester Sus scrofa
0.27 0.3 benzoyl-L-Arg-p-nitroanilide as substrate Sus scrofa
7.8 9.3 benzoyl-DL-Arg-beta-naphthylamide as substrate Sus scrofa

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
Aldolase + H2O
-
Sus scrofa Hydrolyzed aldolase
-
?
benzoyl-arginine ethyl ester + H2O
-
Sus scrofa benzoyl-arginine + ethanol
-
?
benzoyl-DL-Arg-beta-naphthylamide + H2O
-
Sus scrofa benzoyl-DL-Arg + beta-naphthylamine
-
?
benzoyl-L-Arg-p-nitroanilide + H2O
-
Sus scrofa benzoyl-L-Arg + p-nitroaniline
-
?
Collagen + H2O
-
Sus scrofa Hydrolyzed collagen
-
?
Proteins + H2O turnover of intracellular proteins Sus scrofa ?
-
?

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
6.4
-
-
Sus scrofa