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1YQ9

Structure of the unready oxidized form of [NiFe] hydrogenase

Functional Information from GO Data
ChainGOidnamespacecontents
A0008901molecular_functionferredoxin hydrogenase activity
A0009055molecular_functionelectron transfer activity
A0009061biological_processanaerobic respiration
A0009375cellular_componentferredoxin hydrogenase complex
A0016020cellular_componentmembrane
A0016491molecular_functionoxidoreductase activity
A0042597cellular_componentperiplasmic space
A0044569cellular_component[Ni-Fe] hydrogenase complex
A0046872molecular_functionmetal ion binding
A0047806molecular_functioncytochrome-c3 hydrogenase activity
A0051536molecular_functioniron-sulfur cluster binding
A0051538molecular_function3 iron, 4 sulfur cluster binding
A0051539molecular_function4 iron, 4 sulfur cluster binding
B0008901molecular_functionferredoxin hydrogenase activity
B0009055molecular_functionelectron transfer activity
B0009061biological_processanaerobic respiration
B0009375cellular_componentferredoxin hydrogenase complex
B0016020cellular_componentmembrane
B0016491molecular_functionoxidoreductase activity
B0042597cellular_componentperiplasmic space
B0044569cellular_component[Ni-Fe] hydrogenase complex
B0046872molecular_functionmetal ion binding
B0047806molecular_functioncytochrome-c3 hydrogenase activity
B0051536molecular_functioniron-sulfur cluster binding
B0051538molecular_function3 iron, 4 sulfur cluster binding
B0051539molecular_function4 iron, 4 sulfur cluster binding
H0008901molecular_functionferredoxin hydrogenase activity
H0016151molecular_functionnickel cation binding
H0016491molecular_functionoxidoreductase activity
H0042597cellular_componentperiplasmic space
H0046872molecular_functionmetal ion binding
H0047806molecular_functioncytochrome-c3 hydrogenase activity
I0008901molecular_functionferredoxin hydrogenase activity
I0016151molecular_functionnickel cation binding
I0016491molecular_functionoxidoreductase activity
I0042597cellular_componentperiplasmic space
I0046872molecular_functionmetal ion binding
I0047806molecular_functioncytochrome-c3 hydrogenase activity
Functional Information from PDB Data
site_idAC1
Number of Residues6
DetailsBINDING SITE FOR RESIDUE NI H 538
ChainResidue
HCYS65
HCYS68
HCYS530
HCYS533
HFCO537
HPER539

site_idAC2
Number of Residues6
DetailsBINDING SITE FOR RESIDUE NI I 538
ChainResidue
ICYS533
IFCO537
IPER539
ICYS65
ICYS68
ICYS530

site_idAC3
Number of Residues6
DetailsBINDING SITE FOR RESIDUE MG H 540
ChainResidue
HGLU46
HLEU482
HHIS536
HHOH5011
HHOH5012
HHOH5013

site_idAC4
Number of Residues6
DetailsBINDING SITE FOR RESIDUE MG I 540
ChainResidue
IGLU46
ILEU482
IHIS536
IHOH5024
IHOH5025
IHOH5026

site_idAC5
Number of Residues7
DetailsBINDING SITE FOR RESIDUE SF4 A 265
ChainResidue
AHIS185
ACYS188
AARG190
ALEU191
ACYS213
ALEU214
ACYS219

site_idAC6
Number of Residues10
DetailsBINDING SITE FOR RESIDUE F3S A 266
ChainResidue
ATHR224
AASN226
ACYS228
APHE233
ATRP238
ACYS246
AILE247
ACYS249
HLYS216
HGLN221

site_idAC7
Number of Residues9
DetailsBINDING SITE FOR RESIDUE SF4 A 267
ChainResidue
AGLU16
ACYS17
ACYS20
ATHR111
ACYS112
AGLY147
ACYS148
APRO149
HARG63

site_idAC8
Number of Residues3
DetailsBINDING SITE FOR RESIDUE H2S A 1268
ChainResidue
AGLY117
AASN253
AHOH1551

site_idAC9
Number of Residues12
DetailsBINDING SITE FOR RESIDUE FCO H 537
ChainResidue
HCYS68
HVAL71
HHIS72
HALA461
HPRO462
HARG463
HLEU466
HPRO485
HSER486
HCYS533
HNI538
HPER539

site_idBC1
Number of Residues7
DetailsBINDING SITE FOR RESIDUE PER H 539
ChainResidue
HCYS65
HCYS68
HARG463
HCYS530
HCYS533
HFCO537
HNI538

site_idBC2
Number of Residues3
DetailsBINDING SITE FOR RESIDUE H2S H 1541
ChainResidue
HARG55
HVAL225
HHOH5059

site_idBC3
Number of Residues7
DetailsBINDING SITE FOR RESIDUE SF4 B 265
ChainResidue
BHIS185
BCYS188
BARG190
BLEU191
BCYS213
BLEU214
BCYS219

site_idBC4
Number of Residues9
DetailsBINDING SITE FOR RESIDUE F3S B 266
ChainResidue
BASN226
BCYS228
BPHE233
BTRP238
BCYS246
BILE247
BCYS249
ILYS216
IGLN221

site_idBC5
Number of Residues9
DetailsBINDING SITE FOR RESIDUE SF4 B 267
ChainResidue
IARG63
BCYS17
BCYS20
BGLY110
BTHR111
BCYS112
BGLY147
BCYS148
BPRO149

site_idBC6
Number of Residues4
DetailsBINDING SITE FOR RESIDUE H2S B 2268
ChainResidue
BTYR115
BGLY117
BASN253
BHOH291

site_idBC7
Number of Residues11
DetailsBINDING SITE FOR RESIDUE FCO I 537
ChainResidue
ICYS68
IHIS72
IALA461
IPRO462
IARG463
IVAL484
IPRO485
ISER486
ICYS533
INI538
IPER539

site_idBC8
Number of Residues6
DetailsBINDING SITE FOR RESIDUE PER I 539
ChainResidue
ICYS68
IARG463
ICYS530
ICYS533
IFCO537
INI538

site_idBC9
Number of Residues5
DetailsBINDING SITE FOR RESIDUE H2S I 2541
ChainResidue
IARG55
IVAL224
IVAL225
IHOH5061
IHOH5071

site_idCC1
Number of Residues6
DetailsBINDING SITE FOR RESIDUE GOL A 1271
ChainResidue
AHIS54
AGLY88
AARG90
AGOL1272
AHOH1562
BPHE194

site_idCC2
Number of Residues9
DetailsBINDING SITE FOR RESIDUE GOL A 1272
ChainResidue
AGLU57
ALEU60
AHIS61
AILE64
AARG90
AGLU98
AGOL1271
BPHE194
BTYR215

site_idCC3
Number of Residues7
DetailsBINDING SITE FOR RESIDUE GOL A 1273
ChainResidue
ALYS102
AHOH1639
AHOH1642
BLEU257
BALA264
BHOH313
BHOH328

site_idCC4
Number of Residues6
DetailsBINDING SITE FOR RESIDUE GOL A 1542
ChainResidue
AALA208
ALYS209
AGLY211
AHOH1549
AHOH1655
HASP232

site_idCC5
Number of Residues7
DetailsBINDING SITE FOR RESIDUE GOL H 1543
ChainResidue
AGLY89
BGLY197
BHOH326
BHOH355
HGLU347
HPHE348
HHOH5136

site_idCC6
Number of Residues6
DetailsBINDING SITE FOR RESIDUE GOL H 1544
ChainResidue
HVAL84
HASN128
HASP446
HTRP447
HGLN448
HHOH5021

site_idCC7
Number of Residues5
DetailsBINDING SITE FOR RESIDUE GOL B 2542
ChainResidue
BALA208
BLYS209
BGLY211
BHOH375
IASP232

Functional Information from PROSITE/UniProt
site_idPS00507
Number of Residues26
DetailsNI_HGENASE_L_1 Nickel-dependent hydrogenases large subunit signature 1. RGLEmilkgrdprdaqhftQRaCGVC
ChainResidueDetails
HARG43-CYS68

site_idPS00508
Number of Residues10
DetailsNI_HGENASE_L_2 Nickel-dependent hydrogenases large subunit signature 2. YDPCIACgv.H
ChainResidueDetails
HTYR527-HIS536

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues26
DetailsBinding site: {}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues4
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"7854413","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

Catalytic Information from CSA
site_idCSA1
Number of Residues3
DetailsAnnotated By Reference To The Literature 1cc1
ChainResidueDetails
ATHR18
HCYS530
HGLU18

site_idCSA2
Number of Residues3
DetailsAnnotated By Reference To The Literature 1cc1
ChainResidueDetails
ICYS530
IGLU18
BTHR18

site_idCSA3
Number of Residues1
DetailsAnnotated By Reference To The Literature 1cc1
ChainResidueDetails
HCYS530

site_idCSA4
Number of Residues1
DetailsAnnotated By Reference To The Literature 1cc1
ChainResidueDetails
ICYS530

site_idMCSA1
Number of Residues8
DetailsM-CSA 126
ChainResidueDetails
BTHR18hydrogen bond acceptor, hydrogen bond donor, proton acceptor, proton donor, proton relay
BLYS65activator, metal ligand
BPHE68activator, electrostatic stabiliser, metal ligand
BILE72electrostatic stabiliser, hydrogen bond donor

site_idMCSA2
Number of Residues8
DetailsM-CSA 126
ChainResidueDetails

247947

PDB entries from 2026-01-21

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