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1FRF

CRYSTAL STRUCTURE OF THE NI-FE HYDROGENASE FROM DESULFOVIBRIO FRUCTOSOVORANS

Functional Information from GO Data
ChainGOidnamespacecontents
L0008901molecular_functionferredoxin hydrogenase activity
L0016151molecular_functionnickel cation binding
L0016491molecular_functionoxidoreductase activity
L0042597cellular_componentperiplasmic space
L0046872molecular_functionmetal ion binding
L0047806molecular_functioncytochrome-c3 hydrogenase activity
S0008901molecular_functionferredoxin hydrogenase activity
S0009375cellular_componentferredoxin hydrogenase complex
S0051536molecular_functioniron-sulfur cluster binding
Functional Information from PDB Data
site_idAC1
Number of Residues5
DetailsBINDING SITE FOR RESIDUE FE L 565
ChainResidue
LCYS75
LCYS546
LNI566
LHOH616
LHOH622

site_idAC2
Number of Residues5
DetailsBINDING SITE FOR RESIDUE NI L 566
ChainResidue
LCYS543
LCYS546
LFE565
LCYS72
LCYS75

site_idAC3
Number of Residues6
DetailsBINDING SITE FOR RESIDUE MG L 567
ChainResidue
LGLU53
LGLU334
LGLN494
LLEU495
LHIS549
LHOH632

site_idAC4
Number of Residues10
DetailsBINDING SITE FOR RESIDUE SF4 S 265
ChainResidue
SHIS184
SCYS187
SARG189
SLEU190
SPHE193
SCYS212
SLEU213
SCYS218
SPRO221
SVAL239

site_idAC5
Number of Residues10
DetailsBINDING SITE FOR RESIDUE F3S S 266
ChainResidue
LLYS225
LGLN230
STHR223
SASN225
SCYS227
STRP237
SPRO238
SCYS245
SLEU246
SCYS248

site_idAC6
Number of Residues10
DetailsBINDING SITE FOR RESIDUE SF4 S 267
ChainResidue
LARG70
LHIS228
SCYS17
SCYS20
SGLY112
STHR113
SCYS114
SGLY146
SCYS147
SPRO148

site_idACT
Number of Residues2
DetailsTHE ACTIVE SITE CONTAINS TWO METALS: NI AND FE. THE NI ION IS COORDINATED BY TWO TERMINAL CYSTEINES CYS L 72 ? AND CYS L 543 ? AND TWO BRIDGING CYSTEINES BETWEEN FE AND NI, CYS L 75 ? AND CYS L 546 ?.
ChainResidue
LNI566
LFE565

Functional Information from PROSITE/UniProt
site_idPS00507
Number of Residues26
DetailsNI_HGENASE_L_1 Nickel-dependent hydrogenases large subunit signature 1. RGLEiilkgrdprdaqhftQRaCGVC
ChainResidueDetails
LARG50-CYS75

site_idPS00508
Number of Residues10
DetailsNI_HGENASE_L_2 Nickel-dependent hydrogenases large subunit signature 2. FDPCIACgv.H
ChainResidueDetails
LPHE540-HIS549

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues4
DetailsBINDING: BINDING => ECO:0000255
ChainResidueDetails
LCYS72
SCYS245
SCYS248
LCYS75
LCYS543
LCYS546
SHIS184
SCYS187
SCYS212
SCYS218
SCYS227

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PDB entries from 2024-04-24

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