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1YO2

Proton Transfer from His200 in Human Carbonic Anhydrase II

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A
(A)
Carbonic anhydrase IIpolymer26029259.01UniProt (P00918)
Pfam (PF00194)
Homo sapiens (human)Carbonate dehydratase II, CA-II, Carbonic anhydrase C
2B
(A)
ZINC IONnon-polymer65.41Chemie (ZN)
3C
(A)
waterwater18.093Chemie (HOH)
Sequence modifications
A: 1 - 260 (UniProt: P00918)
PDBExternal DatabaseDetails
Ala 64His 63engineered mutation
His 200Thr 198engineered mutation
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains1
Total formula weight29259.0
Non-Polymers*Number of molecules1
Total formula weight65.4
All*Total formula weight29324.4
*Water molecules are not included.

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PDB entries from 2025-06-11

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