Carboxypeptidase N Catalytic Chain

**Semantic type:** Amino Acid, Peptide, or Protein|Enzyme

**Definition:** Carboxypeptidase N catalytic chain (458 aa, ~52 kDa) is encoded by the human CPN1 gene. This protein is involved in carboxypeptidase activity targeting circulating bioactive peptides.

**Synonyms:** - Anaphylatoxin Inactivator - Arginine Carboxypeptidase - CPN - CPN1 - Carboxypeptidase K - Carboxypeptidase N Catalytic Subunit - Carboxypeptidase N Polypeptide 1 - Carboxypeptidase N Small Subunit - Carboxypeptidase N Subunit 1 - EC 3.4.17.3 - Kininase I - Kininase-1 - Lysine Carboxypeptidase - Plasma Carboxypeptidase B - SCPN - Serum Carboxypeptidase N