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4IDR

Human Carbonic Anhydrase II Proton Transfer Double Mutant

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A
(X)
Carbonic anhydrase 2polymer25829068.81UniProt (P00918)
Pfam (PF00194)
Homo sapiens (human)Carbonate dehydratase II, Carbonic anhydrase C, CAC, Carbonic anhydrase II, CA-II
2B
(X)
ZINC IONnon-polymer65.41Chemie (ZN)
3C
(X)
GLYCEROLnon-polymer92.11Chemie (GOL)
4D
(X)
waterwater18.0309Chemie (HOH)
Sequence modifications
X: 3 - 261 (UniProt: P00918)
PDBExternal DatabaseDetails
Phe 7Tyr 7engineered mutation
Gln 67Asn 67engineered mutation
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains1
Total formula weight29068.8
Non-Polymers*Number of molecules2
Total formula weight157.5
All*Total formula weight29226.3
*Water molecules are not included.

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PDB entries from 2025-06-18

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