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9ER7

Hydrogenase-1 Ni-SCO state

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A, C
(S, T)
Hydrogenase-1 small chainpolymer27930980.42UniProt (P69739)
Pfam (PF01058)
Pfam (PF14720)
Escherichia coliHYD1,Membrane-bound hydrogenase 1 small subunit,NiFe hydrogenase
2B, D
(L, M)
Hydrogenase-1 large chainpolymer58264751.42UniProt (P0ACD8)
Pfam (PF00374)
Escherichia coliHYD1,Membrane-bound hydrogenase 1 large subunit,NiFe hydrogenase
3E, P
(S, T)
IRON/SULFUR CLUSTERnon-polymer351.62Chemie (SF4)
4F, Q
(S, T)
FE3-S4 CLUSTERnon-polymer295.82Chemie (F3S)
5G, R
(S, T)
FE4-S3 CLUSTERnon-polymer319.62Chemie (SF3)
6H, I, S, T
(S, T)
CHLORIDE IONnon-polymer35.54Chemie (CL)
7J, U, Z
(L, T, M)
SULFATE IONnon-polymer96.13Chemie (SO4)
8K, V
(L, M)
CARBONMONOXIDE-(DICYANO) IRONnon-polymer135.92Chemie (FCO)
9L, W
(L, M)
NICKEL (II) IONnon-polymer58.72Chemie (NI)
10M, X
(L, M)
MAGNESIUM IONnon-polymer24.32Chemie (MG)
11N, Y
(L, M)
CARBON MONOXIDEnon-polymer28.02Chemie (CMO)
12O
(L)
2-AMINO-2-HYDROXYMETHYL-PROPANE-1,3-DIOLnon-polymer122.11Chemie (TRS)
13AA, BA, CA, DA
(S, L, T, M)
waterwater18.01343Chemie (HOH)
Sequence modifications
S, T: 1 - 271 (UniProt: P69739)
PDBExternal DatabaseDetails
Arg 272-expression tag
Ser 273-expression tag
His 274-expression tag
His 275-expression tag
His 276-expression tag
His 277-expression tag
His 278-expression tag
His 279-expression tag
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains4
Total formula weight191463.5
Non-Polymers*Number of molecules22
Total formula weight2980.0
All*Total formula weight194443.5
*Water molecules are not included.

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PDB entries from 2025-07-23

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