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4XDD

Apo [FeFe]-Hydrogenase CpI

Functional Information from GO Data
ChainGOidnamespacecontents
A0005506molecular_functioniron ion binding
A0008901molecular_functionferredoxin hydrogenase activity
A0016491molecular_functionoxidoreductase activity
A0046872molecular_functionmetal ion binding
A0051536molecular_functioniron-sulfur cluster binding
A0051539molecular_function4 iron, 4 sulfur cluster binding
B0005506molecular_functioniron ion binding
B0008901molecular_functionferredoxin hydrogenase activity
B0016491molecular_functionoxidoreductase activity
B0046872molecular_functionmetal ion binding
B0051536molecular_functioniron-sulfur cluster binding
B0051539molecular_function4 iron, 4 sulfur cluster binding
Functional Information from PDB Data
site_idAC1
Number of Residues7
Detailsbinding site for residue SF4 A 601
ChainResidue
ACYS300
APRO301
ACYS355
AALA498
ACYS499
ACYS503
AGLY506

site_idAC2
Number of Residues9
Detailsbinding site for residue SF4 A 602
ChainResidue
AMET166
ACYS190
ALEU191
ALEU192
ACYS193
AGLY194
ACYS196
ACYS157
ATHR163

site_idAC3
Number of Residues10
Detailsbinding site for residue SF4 A 603
ChainResidue
ACYS147
ALEU148
ALEU149
ACYS150
AGLY151
ACYS153
ACYS200
AVAL202
AALA204
ALEU205

site_idAC4
Number of Residues9
Detailsbinding site for residue SF4 A 604
ChainResidue
AHIS94
AGLU95
ALYS97
ACYS98
ACYS101
ACYS107
ALYS146
AVAL202
AALA203

site_idAC5
Number of Residues6
Detailsbinding site for residue MG A 605
ChainResidue
ALEU218
AHOH887
AHOH905
AHOH749
AHOH1071
AHOH758

site_idAC6
Number of Residues7
Detailsbinding site for residue FES A 606
ChainResidue
ALEU33
ACYS34
APHE35
ACYS46
AGLU47
ACYS49
ACYS62

site_idAC7
Number of Residues6
Detailsbinding site for residue MG A 607
ChainResidue
AASN40
AASP42
AHOH871
AHOH1085
AHOH1095
AHOH1111

site_idAC8
Number of Residues4
Detailsbinding site for residue CL A 608
ChainResidue
AALA230
APRO231
ASER232
ACYS503

site_idAC9
Number of Residues9
Detailsbinding site for residue GOL A 609
ChainResidue
ALYS223
ALYS333
ALYS345
AVAL347
ALEU372
AARG373
AASP376
AHOH704
AHOH873

site_idAD1
Number of Residues5
Detailsbinding site for residue CL A 610
ChainResidue
AASP404
APRO405
AALA406
AHOH1281
AHOH1333

site_idAD2
Number of Residues7
Detailsbinding site for residue SF4 B 601
ChainResidue
BCYS300
BPRO301
BCYS355
BALA498
BCYS499
BCYS503
BGLY506

site_idAD3
Number of Residues9
Detailsbinding site for residue SF4 B 602
ChainResidue
BCYS157
BTHR163
BMET166
BCYS190
BLEU191
BLEU192
BCYS193
BGLY194
BCYS196

site_idAD4
Number of Residues9
Detailsbinding site for residue SF4 B 603
ChainResidue
BCYS147
BLEU148
BLEU149
BCYS150
BGLY151
BCYS153
BCYS200
BVAL202
BLEU205

site_idAD5
Number of Residues9
Detailsbinding site for residue SF4 B 604
ChainResidue
BLYS97
BCYS98
BCYS101
BCYS107
BLYS146
BVAL202
BALA203
BHIS94
BGLU95

site_idAD6
Number of Residues9
Detailsbinding site for residue FES B 605
ChainResidue
BLEU33
BCYS34
BPHE35
BASN40
BLYS45
BCYS46
BGLU47
BCYS49
BCYS62

site_idAD7
Number of Residues4
Detailsbinding site for residue CL B 606
ChainResidue
BALA230
BPRO231
BSER232
BCYS503

site_idAD8
Number of Residues5
Detailsbinding site for residue CL B 607
ChainResidue
BASP404
BPRO405
BALA406
BHOH1278
BHOH1312

site_idAD9
Number of Residues6
Detailsbinding site for residue MG B 608
ChainResidue
BLEU218
BHOH711
BHOH879
BHOH954
BHOH994
BHOH735

site_idAE1
Number of Residues6
Detailsbinding site for residue MG B 609
ChainResidue
BASN40
BASP42
BHOH899
BHOH1052
BHOH1081
BHOH1097

site_idAE2
Number of Residues10
Detailsbinding site for residue GOL B 610
ChainResidue
BLYS223
BLYS333
BLYS345
BVAL347
BPHE348
BLEU372
BARG373
BASP376
BHOH855
BHOH869

site_idAE3
Number of Residues3
Detailsbinding site for residue GOL B 611
ChainResidue
BGLN366
BPHE570
BLYS571

Functional Information from PROSITE/UniProt
site_idPS00198
Number of Residues12
Details4FE4S_FER_1 4Fe-4S ferredoxin-type iron-sulfur binding region signature. ClLCGrCVnACG
ChainResidueDetails
ACYS147-GLY158
ACYS190-PRO201

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues154
DetailsDomain: {"description":"2Fe-2S ferredoxin-type","evidences":[{"source":"PROSITE-ProRule","id":"PRU00465","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues78
DetailsDomain: {"description":"4Fe-4S His(Cys)3-ligated-type","evidences":[{"source":"PROSITE-ProRule","id":"PRU01184","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues58
DetailsDomain: {"description":"4Fe-4S ferredoxin-type 1","evidences":[{"source":"PROSITE-ProRule","id":"PRU00711","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues58
DetailsDomain: {"description":"4Fe-4S ferredoxin-type 2","evidences":[{"source":"PROSITE-ProRule","id":"PRU00711","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues30
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"10529166","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"9836629","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI6
Number of Residues2
DetailsBinding site: {"evidences":[{"source":"PROSITE-ProRule","id":"PRU01184","evidenceCode":"ECO:0000255"},{"source":"PubMed","id":"10529166","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI7
Number of Residues6
DetailsBinding site: {"evidences":[{"source":"PROSITE-ProRule","id":"PRU01184","evidenceCode":"ECO:0000255"},{"source":"PubMed","id":"10529166","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"9836629","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI8
Number of Residues2
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"10529166","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

243531

PDB entries from 2025-10-22

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