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9FY4

Crystal structure of Heme-Oxygenase mutant I143K from Corynebacterium diphtheriae complexed with Cobalt-porphyrine (HumO-Co(III))

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A, B
(A, H)
heme oxygenase (biliverdin-producing)polymer21524186.22UniProt (Q54AI1)
Pfam (PF01126)
UniProt (by SIFTS) (P71119)
Corynebacterium diphtheriae
2C
(A)
COBALT (II) IONnon-polymer58.91Chemie (CO)
3D, E
(A, H)
PROTOPORPHYRIN IX CONTAINING COnon-polymer619.62Chemie (COH)
4F
(H)
CHLORIDE IONnon-polymer35.51Chemie (CL)
5G, H
(A, H)
waterwater18.0125Chemie (HOH)
Sequence modifications
A, H: 1 - 215 (UniProt: Q54AI1)
PDBExternal DatabaseDetails
Lys 143Ile 143engineered mutation
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains2
Total formula weight48372.4
Non-Polymers*Number of molecules4
Total formula weight1333.5
All*Total formula weight49705.9
*Water molecules are not included.

247947

PDB entries from 2026-01-21

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