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3KGQ

Carboxypeptidase A liganded to an organic small-molecule: conformational changes

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A
(A)
Carboxypeptidase A1polymer30934793.81UniProt (P00730)
Pfam (PF00246)
Bos taurus (bovine)Carboxypeptidase A, CPA
2B
(A)
ZINC IONnon-polymer65.41Chemie (ZN)
3C
(A)
SODIUM IONnon-polymer23.01Chemie (NA)
4D
(A)
CITRIC ACIDnon-polymer192.11Chemie (CIT)
5E
(A)
ACETONEnon-polymer58.11Chemie (ACN)
6F, G, H
(A)
FORMIC ACIDnon-polymer46.03Chemie (FMT)
7I, J, K, L, M...
(A)
GLYCEROLnon-polymer92.16Chemie (GOL)
8O
(A)
waterwater18.0214Chemie (HOH)
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains1
Total formula weight34793.8
Non-Polymers*Number of molecules13
Total formula weight1029.2
All*Total formula weight35823.1
*Water molecules are not included.

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PDB entries from 2025-08-27

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