Carboxypeptidase E
Definition:
EC Tree > 3 Hydrolases > 3.4 Acting on peptide bonds (peptidases) > 3.4.17 Metallocarboxypeptidases > 3.4.17.10 carboxypeptidase E
Carboxypeptidase E (carboxypeptidase H) is a zinc enzyme activated by Co2+, inhibited by 1,10-phenanthroline and other chelators, pH optimum 5.6, located in secretory-cell storage granules and active in processing of protein hormones and bioactive peptides, in peptidase family M14; it releases C-terminal arginine or lysine residues from polypeptides. By removing C-terminal basic residues from prohormones it generates bioactive peptide hormones. It appears in viruses and cellular organisms.
Carboxypeptidase E (carboxypeptidase H) is a zinc enzyme activated by Co2+, inhibited by 1,10-phenanthroline and other chelators, pH optimum 5.6, located in secretory-cell storage granules and active in processing of protein hormones and bioactive peptides, in peptidase family M14; it releases C-terminal arginine or lysine residues from polypeptides. By removing C-terminal basic residues from prohormones it generates bioactive peptide hormones. It appears in viruses and cellular organisms.
References:
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