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4NK1

Crystal structure of phosphate-bound Hell's gate globin IV

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A, B
(A, B)
Hemoglobin-like proteinpolymer19322703.32UniProt (B3DVC3)Methylacidiphilum infernorum
2C, E
(A, B)
PROTOPORPHYRIN IX CONTAINING FEnon-polymer616.52Chemie (HEM)
3D, F
(A, B)
PHOSPHATE IONnon-polymer95.02Chemie (PO4)
4G, H
(A, B)
waterwater18.0176Chemie (HOH)
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains2
Total formula weight45406.7
Non-Polymers*Number of molecules4
Total formula weight1422.9
All*Total formula weight46829.6
*Water molecules are not included.

247536

PDB entries from 2026-01-14

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