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Literature summary for 3.4.21.1 extracted from

  • Al-Ajlan, A.; Bailey, G.S.
    Purification and partial characterization of camel anionic chymotrypsin (1997), Arch. Biochem. Biophys., 348, 363-368.
    View publication on PubMed

Inhibitors

Inhibitors Comment Organism Structure
Aprotinin
-
Bos taurus
Aprotinin
-
Camelus bactrianus
lima bean inhibitor
-
Bos taurus
lima bean inhibitor
-
Camelus bactrianus
Soybean trypsin inhibitor
-
Camelus bactrianus

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.13
-
benzoyl-Tyr ethyl ester
-
Bos taurus
0.17
-
acetyl-L-Trp ethyl ester
-
Bos taurus
0.64
-
benzoyl-Tyr ethyl ester
-
Camelus bactrianus
1
-
acetyl-Leu methyl ester
-
Camelus bactrianus
1.04
-
acetyl-Phe ethyl ester
-
Bos taurus
1.12
-
acetyl-Trp ethyl ester
-
Camelus bactrianus
1.27
-
Acetyl-Tyr ethyl ester
-
Bos taurus
1.39
-
acetyl-Phe ethyl ester
-
Camelus bactrianus
2
-
Acetyl-Tyr ethyl ester
-
Camelus bactrianus
7.27
-
acetyl-L-Leu methyl ester
-
Bos taurus

Organism

Organism UniProt Comment Textmining
Bos taurus
-
-
-
Camelus bactrianus
-
-
-

Purification (Commentary)

Purification (Comment) Organism
-
Camelus bactrianus

Source Tissue

Source Tissue Comment Organism Textmining
pancreas
-
Bos taurus
-
pancreas
-
Camelus bactrianus
-

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
additional information
-
-
Camelus bactrianus

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
acetyl-L-Leu methyl ester + H2O
-
Bos taurus acetyl-L-Leu + methanol
-
?
acetyl-L-Trp ethyl ester + H2O
-
Bos taurus acetyl-L-Trp + ethanol
-
?
acetyl-Leu methyl ester + H2O
-
Camelus bactrianus acetyl-Leu + methanol
-
?
acetyl-Phe ethyl ester + H2O
-
Camelus bactrianus acetyl-Phe + ethanol
-
?
acetyl-Trp ethyl ester + H2O
-
Camelus bactrianus acetyl-Trp + ethanol
-
?
acetyl-Tyr ethyl ester + H2O
-
Camelus bactrianus acetyl-Tyr + ethanol
-
?
N-benzoyl-L-Tyr ethyl ester + H2O
-
Bos taurus N-benzoyl-L-Tyr + ethanol
-
?
N-benzoyl-L-Tyr ethyl ester + H2O
-
Camelus bactrianus N-benzoyl-L-Tyr + ethanol
-
?

Turnover Number [1/s]

Turnover Number Minimum [1/s] Turnover Number Maximum [1/s] Substrate Comment Organism Structure
5.3
-
acetyl-Phe ethyl ester
-
Camelus bactrianus
6.6
-
acetyl-L-Leu methyl ester
-
Bos taurus
9.3
-
acetyl-Trp ethyl ester
-
Camelus bactrianus
22.1
-
acetyl-Leu methyl ester
-
Camelus bactrianus
25.4
-
Acetyl-Tyr ethyl ester
-
Camelus bactrianus
48.4
-
acetyl-L-Trp ethyl ester
-
Bos taurus
52.4
-
acetyl-Phe ethyl ester
-
Bos taurus
57.5
-
benzoyl-Tyr ethyl ester
-
Camelus bactrianus
76.6
-
benzoyl-Tyr ethyl ester
-
Bos taurus
126
-
Acetyl-Tyr ethyl ester
-
Bos taurus

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
7.8
-
-
Bos taurus
7.8
-
hydrolysis of benzoyl-Tyr ethyl ester Camelus bactrianus

pH Range

pH Minimum pH Maximum Comment Organism
6.5 9.5 about 30% of maximal activity at pH 6.5 and at pH 9.5 Camelus bactrianus

pH Stability

pH Stability pH Stability Maximum Comment Organism
7.4
-
25°C, stable for at least 10 h Camelus bactrianus