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9E1J

Alpha-Delta heterodimeric form of soluble hydrogenase I from Pyrococcus furiosus. Data processed and model refined in P21221

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A, C
(A, C)
Sulfhydrogenase 1 subunit deltapolymer25628650.42UniProt (E7FHU4)
Pfam (PF01058)
Pyrococcus furiosusHydrogenase I small subunit,NADP-reducing hydrogenase subunit HydD,Sulfhydrogenase I subunit delta
2B, D
(B, D)
Sulfhydrogenase 1 subunit alphapolymer41947262.52UniProt (E7FI44)
Pfam (PF00374)
Pyrococcus furiosusHydrogenase I large subunit,NADP-reducing hydrogenase subunit HydA,Sulfhydrogenase I subunit alpha
3E, F, G, K, L...
(A, C)
IRON/SULFUR CLUSTERnon-polymer351.68Chemie (SF4)
4H
(B)
CARBONMONOXIDE-(DICYANO) IRONnon-polymer135.91Chemie (FCO)
5I, P
(B, D)
NICKEL (II) IONnon-polymer58.72Chemie (NI)
6J
(B)
CHLORIDE IONnon-polymer35.51Chemie (CL)
7Q, R
(A, B)
waterwater18.061Chemie (HOH)
Sequence modifications
A, C: 1 - 256 (UniProt: E7FHU4)
PDBExternal DatabaseDetails
Ala 226Lys 227conflict
Ala 252Glu 253conflict
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains4
Total formula weight151825.6
Non-Polymers*Number of molecules12
Total formula weight3101.8
All*Total formula weight154927.5
*Water molecules are not included.

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PDB entries from 2025-07-23

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