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Literature summary for 3.4.21.39 extracted from

  • Yoshida, N.; Everitt, M.T.; Neurath, H.; Woodbury, R.G.; Powers, J.C.
    Substrate specificity of two chymotrypsin-like proteases from rat mast cells. Studies with peptide 4-nitroanilides and comparison with cathepsin G (1980), Biochemistry, 19, 5799-5804.
    View publication on PubMed

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.023
-
succinyl-Phe-Leu-Phe-4-nitroanilide
-
Rattus norvegicus
0.053
-
succinyl-Phe-Pro-Phe-4-nitroanilide
-
Rattus norvegicus
0.15
-
succinyl-Phe-Pro-Thr-Phe-4-nitroanilide
-
Rattus norvegicus
0.42
-
methoxysuccinyl-Ala-Ala-Pro-Phe-4-nitroanilide
-
Rattus norvegicus
1.2
-
H2N(CH2)5CO-Ala-Ala-Pro-Phe-4-nitroanilide
-
Rattus norvegicus

Organism

Organism UniProt Comment Textmining
Rattus norvegicus
-
-
-

Source Tissue

Source Tissue Comment Organism Textmining
mast cell
-
Rattus norvegicus
-

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
H2N(CH2)5CO-Ala-Ala-Pro-Phe-4-nitroanilide + H2O
-
Rattus norvegicus ?
-
?
methoxysuccinyl-Ala-Ala-Pro-Phe-4-nitroanilide + H2O
-
Rattus norvegicus ?
-
?
succinyl-Phe-Leu-Phe-4-nitroanilide + H2O
-
Rattus norvegicus ?
-
?
succinyl-Phe-Pro-Phe-4-nitroanilide + H2O
-
Rattus norvegicus ?
-
?
succinyl-Phe-Pro-Thr-Phe-4-nitroanilide + H2O
-
Rattus norvegicus ?
-
?

Turnover Number [1/s]

Turnover Number Minimum [1/s] Turnover Number Maximum [1/s] Substrate Comment Organism Structure
10
-
methoxysuccinyl-Ala-Ala-Pro-Phe-4-nitroanilide
-
Rattus norvegicus
11
-
succinyl-Phe-Pro-Thr-Phe-4-nitroanilide
-
Rattus norvegicus
13
-
H2N(CH2)5CO-Ala-Ala-Pro-Phe-4-nitroanilide
-
Rattus norvegicus
19
-
succinyl-Phe-Leu-Phe-4-nitroanilide
-
Rattus norvegicus
19
-
succinyl-Phe-Pro-Thr-Phe-4-nitroanilide
-
Rattus norvegicus
24
-
succinyl-Phe-Pro-Phe-4-nitroanilide
-
Rattus norvegicus

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
8.5
-
hydrolysis of succinyl-Phe-Leu-Phe-4-nitroanilide Rattus norvegicus