Loading
PDBj
MenuPDBj@FacebookPDBj@X(formerly Twitter)PDBj@BlueSkyPDBj@YouTubewwPDB FoundationwwPDBDonate
RCSB PDBPDBeBMRBAdv. SearchSearch help

2NSM

Crystal structure of the human carboxypeptidase N (Kininase I) catalytic domain

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A
(A)
Carboxypeptidase N catalytic chainpolymer43950184.41UniProt (P15169)
Pfam (PF00246)
Pfam (PF13620)
Homo sapiens (human)CPN, Carboxypeptidase N polypeptide 1, Carboxypeptidase N small subunit, Lysine carboxypeptidase, Arginine carboxypeptidase, Kininase-1, Serum carboxypeptidase N, SCPN, Anaphylatoxin inactivator, Plasma carboxypeptidase B
2B, C, D
(A)
2-acetamido-2-deoxy-beta-D-glucopyranosenon-polymer221.23Chemie (NAG)
3E, F, G, H
(A)
SULFATE IONnon-polymer96.14Chemie (SO4)
4I
(A)
waterwater18.0370Chemie (HOH)
Sequence modifications
A: 1 - 438 (UniProt: P15169)
PDBExternal DatabaseDetails
Lys -1-cloning artifact
Leu 1Val 21conflict
Ala 2Thr 22conflict
Lys 308Arg 328conflict
Gln 329Glu 349conflict
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains1
Total formula weight50184.4
Non-Polymers*Number of molecules7
Total formula weight1047.9
All*Total formula weight51232.3
*Water molecules are not included.

239149

PDB entries from 2025-07-23

PDB statisticsPDBj update infoContact PDBjnumon