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3MNK

Human Carbonic Anhydrase II Mutant K170H

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A
(A)
Carbonic anhydrase 2polymer26029298.01UniProt (P00918)
Pfam (PF00194)
Homo sapiens (human)Carbonic anhydrase II, CA-II, Carbonate dehydratase II, Carbonic anhydrase C, CAC
2B
(A)
ZINC IONnon-polymer65.41Chemie (ZN)
3C
(A)
SODIUM IONnon-polymer23.01Chemie (NA)
4D
(A)
waterwater18.0102Chemie (HOH)
Sequence modifications
A: 1 - 261 (UniProt: P00918)
PDBExternal DatabaseDetails
His 170Lys 169engineered mutation
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains1
Total formula weight29298.0
Non-Polymers*Number of molecules2
Total formula weight88.4
All*Total formula weight29386.4
*Water molecules are not included.

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PDB entries from 2025-12-10

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