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2FNM

Activation of human carbonic anhdyrase II by exogenous proton donors

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A
(A)
carbonic anhydrase 2polymer26029222.01UniProt (P00918)
Pfam (PF00194)
Homo sapiens (human)Carbonic anhydrase II, Carbonate dehydratase II, CA-II, Carbonic anhydrase C
2B
(A)
ZINC IONnon-polymer65.41Chemie (ZN)
3C
(A)
waterwater18.0160Chemie (HOH)
Sequence modifications
A: 1 - 261 (UniProt: P00918)
PDBExternal DatabaseDetails
Ala 5Trp 4engineered mutation
Trp 64His 63engineered mutation
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains1
Total formula weight29222.0
Non-Polymers*Number of molecules1
Total formula weight65.4
All*Total formula weight29287.4
*Water molecules are not included.

246031

PDB entries from 2025-12-10

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