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Literature summary for 3.4.21.9 extracted from

  • Lu, D.; Yua, X.; Zheng, X.; Sadler, J.E.
    Bovine proenteropeptidase is activated by trypsin, and the specificity of enteropeptidase depends on the heavy chain (1997), J. Biol. Chem., 272, 31293-31300.
    View publication on PubMed
Search for more literature for 3.4.21.9

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.0056
-
 Trypsinogen pH 5.6 Bos taurus
0.007
-
 Trypsinogen bovine trypsinogen Bos taurus
0.22
-
 Gly-Asp-Asp-Asp-Asp-Lys-2-naphthylamide
-
 Bos taurus
1.2
-
 Trypsinogen pH 8.4 Bos taurus

Organism

Organism UniProt Comment Textmining
Bos taurus
-
-
-

Posttranslational Modification

Posttranslational Modification Comment Organism
proteolytic modification the zymogen proenteropeptidase is activated by trypsin Bos taurus

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
Gly-Asp-Asp-Asp-Asp-Lys-2-naphthylamide + H2O
-
 Bos taurus Gly-Asp-Asp-Asp-Asp-Lys + 2-naphthylamine
-
 ?
additional information the enteropeptidase heavy chain has little influence on the recognition of small peptides, but strongly influences macromolecular substrate recognition Bos taurus ?
-
 ?
trypsinogen + H2O
-
 Bos taurus trypsin + ?
-
 ?

Synonyms

Synonyms Comment Organism
BEK
-
 Bos taurus

Turnover Number [1/s]

Turnover Number Minimum [1/s] Turnover Number Maximum [1/s] Substrate Comment Organism Structure
4
-
 Trypsinogen pH 5.6 Bos taurus
6.9
-
 Trypsinogen pH 8.4 Bos taurus
24.1
-
 Gly-Asp-Asp-Asp-Asp-Lys-2-naphthylamide
-
 Bos taurus