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4RKN

Wolinella succinogenes octaheme sulfite reductase MccA, form II

Functional Information from GO Data
ChainGOidnamespacecontents
A0016002molecular_functionsulfite reductase activity
A0020037molecular_functionheme binding
A0070814biological_processhydrogen sulfide biosynthetic process
B0016002molecular_functionsulfite reductase activity
B0020037molecular_functionheme binding
B0070814biological_processhydrogen sulfide biosynthetic process
C0016002molecular_functionsulfite reductase activity
C0020037molecular_functionheme binding
C0070814biological_processhydrogen sulfide biosynthetic process
D0016002molecular_functionsulfite reductase activity
D0020037molecular_functionheme binding
D0070814biological_processhydrogen sulfide biosynthetic process
Functional Information from PDB Data
site_idAC1
Number of Residues4
DetailsBINDING SITE FOR RESIDUE DTN A 901
ChainResidue
ASER394
ATYR499
AARG539
AASP540

site_idAC2
Number of Residues20
DetailsBINDING SITE FOR RESIDUE HEM A 902
ChainResidue
AGLY347
AHIS348
AHEM904
AHOH1079
AHOH1172
CARG124
CVAL125
CALA126
CILE357
CSER358
CASN359
CCYS360
CGLU361
CARG362
CHOH1082
ACYS143
ACYS146
AHIS147
AHIS343
AGLY346

site_idAC3
Number of Residues25
DetailsBINDING SITE FOR RESIDUE HEM A 903
ChainResidue
ATYR123
AARG158
AVAL202
AGLY203
AHIS204
AARG206
ATHR207
ALYS208
AARG218
ATYR301
ACYS302
ACYS305
AHIS306
ACYS363
AHIS364
AARG366
ACYS399
AGLY400
AGLU402
ACYS495
AARG513
AHEM905
AHEM906
ACU910
ASO3912

site_idAC4
Number of Residues24
DetailsBINDING SITE FOR RESIDUE HEM A 904
ChainResidue
AHIS147
AGLN150
ATYR151
ATRP154
AHIS159
AVAL337
ASER338
ACYS339
ACYS342
AHIS343
AILE357
ASER358
APRO424
AHIS425
ALYS459
AHEM902
AHEM905
AHOH1031
AHOH1123
AHOH1168
AHOH1171
CASN359
CGLU361
CARG417

site_idAC5
Number of Residues19
DetailsBINDING SITE FOR RESIDUE HEM A 905
ChainResidue
AARG158
AHIS159
ATHR162
AHIS204
AVAL304
ACYS305
AHIS306
AVAL337
ASER358
ACYS360
ACYS363
AHIS364
AVAL427
ATHR428
ASER454
AARG513
AHEM903
AHEM904
AHEM906

site_idAC6
Number of Residues21
DetailsBINDING SITE FOR RESIDUE HEM A 906
ChainResidue
AHIS422
ASER454
ALYS455
APRO456
ALEU458
APHE491
AARG513
AARG514
AHIS516
AHEM903
AHEM905
AHOH1007
AHOH1026
AHOH1108
AARG206
AHIS364
AGLU402
AGLY403
AARG417
ACYS418
ACYS421

site_idAC7
Number of Residues15
DetailsBINDING SITE FOR RESIDUE HEM A 907
ChainResidue
AHIS411
AMET416
ACYS462
ACYS465
AHIS466
AHIS488
ATRP518
ALYS519
AARG553
AHEM908
AHOH1001
AHOH1032
AHOH1087
AHOH1255
AHOH1332

site_idAC8
Number of Residues20
DetailsBINDING SITE FOR RESIDUE HEM A 908
ChainResidue
ACYS462
AHIS466
AGLN473
AHIS479
ACYS484
ACYS487
AHIS488
AGLN606
AASP657
AGLY658
ATRP660
AHIS663
AHEM907
AHOH1005
AHOH1039
AHOH1052
AHOH1163
AHOH1165
AHOH1229
AHOH1255

site_idAC9
Number of Residues12
DetailsBINDING SITE FOR RESIDUE HEM A 909
ChainResidue
ATHR478
AHIS479
AASN482
ASER486
AALA561
ACYS562
AALA575
ACYS578
AHIS579
AGLU601
AVAL602
ATRP605

site_idBC1
Number of Residues4
DetailsBINDING SITE FOR RESIDUE CU A 910
ChainResidue
ACYS399
ACYS495
AHEM903
ASO3912

site_idBC2
Number of Residues9
DetailsBINDING SITE FOR RESIDUE DTN A 911
ChainResidue
ATYR624
AILE644
AGLU645
AGLN648
AHOH1041
AHOH1117
BLYS475
BTYR667
BHOH1229

site_idBC3
Number of Residues9
DetailsBINDING SITE FOR RESIDUE SO3 A 912
ChainResidue
ALYS208
ATYR285
AARG366
ALYS393
ACYS399
ACYS495
AHEM903
ACU910
AHOH1327

site_idBC4
Number of Residues5
DetailsBINDING SITE FOR RESIDUE DTN B 901
ChainResidue
BLYS288
BSER394
BTYR499
BASP540
BHOH1172

site_idBC5
Number of Residues21
DetailsBINDING SITE FOR RESIDUE HEM B 902
ChainResidue
AARG124
AVAL125
AALA126
AILE357
ASER358
AASN359
ACYS360
AGLU361
AARG362
AHOH1067
BCYS143
BCYS146
BHIS147
BHIS343
BGLY346
BGLY347
BHIS348
BLEU349
BHEM904
BHOH1046
BHOH1105

site_idBC6
Number of Residues25
DetailsBINDING SITE FOR RESIDUE HEM B 903
ChainResidue
BTYR123
BARG158
BVAL202
BGLY203
BHIS204
BARG206
BTHR207
BLYS208
BARG218
BTYR301
BCYS302
BCYS305
BHIS306
BCYS363
BHIS364
BARG366
BCYS399
BGLY400
BGLU402
BCYS495
BARG513
BHEM905
BHEM906
BCU910
BSO3911

site_idBC7
Number of Residues23
DetailsBINDING SITE FOR RESIDUE HEM B 904
ChainResidue
AASN359
AGLU361
AARG417
BHIS147
BGLN150
BTYR151
BHIS159
BVAL337
BSER338
BCYS339
BCYS342
BHIS343
BSER358
BALA419
BPRO424
BHIS425
BLYS459
BHEM902
BHEM905
BHOH1023
BHOH1075
BHOH1111
BHOH1137

site_idBC8
Number of Residues18
DetailsBINDING SITE FOR RESIDUE HEM B 905
ChainResidue
BARG158
BHIS159
BTHR162
BHIS204
BCYS305
BHIS306
BVAL337
BSER358
BCYS360
BCYS363
BHIS364
BVAL427
BTHR428
BSER454
BARG513
BHEM903
BHEM904
BHEM906

site_idBC9
Number of Residues24
DetailsBINDING SITE FOR RESIDUE HEM B 906
ChainResidue
BARG206
BHIS364
BGLU402
BGLY403
BMET416
BARG417
BCYS418
BCYS421
BHIS422
BSER454
BLYS455
BLEU458
BMET489
BPHE491
BARG513
BARG514
BHIS516
BHEM903
BHEM905
BHEM907
BHOH1041
BHOH1117
BHOH1130
BHOH1231

site_idCC1
Number of Residues16
DetailsBINDING SITE FOR RESIDUE HEM B 907
ChainResidue
BHIS411
BMET416
BLYS460
BGLU461
BCYS462
BCYS465
BHIS466
BHIS488
BTRP518
BARG553
BHEM906
BHEM908
BHOH1008
BHOH1030
BHOH1142
BHOH1273

site_idCC2
Number of Residues21
DetailsBINDING SITE FOR RESIDUE HEM B 908
ChainResidue
BCYS462
BHIS466
BGLN469
BGLN473
BHIS479
BCYS484
BCYS487
BHIS488
BVAL522
BGLN606
BASP657
BGLY658
BHIS663
BHEM907
BHOH1021
BHOH1085
BHOH1121
BHOH1134
BHOH1167
BHOH1244
BHOH1272

site_idCC3
Number of Residues11
DetailsBINDING SITE FOR RESIDUE HEM B 909
ChainResidue
BTHR478
BHIS479
BASN482
BALA561
BCYS562
BALA575
BCYS578
BHIS579
BLEU590
BVAL602
BTRP605

site_idCC4
Number of Residues4
DetailsBINDING SITE FOR RESIDUE CU B 910
ChainResidue
BCYS399
BCYS495
BHEM903
BSO3911

site_idCC5
Number of Residues9
DetailsBINDING SITE FOR RESIDUE SO3 B 911
ChainResidue
BLYS208
BTYR285
BARG366
BLYS393
BCYS399
BCYS495
BHEM903
BCU910
BHOH1351

site_idCC6
Number of Residues4
DetailsBINDING SITE FOR RESIDUE DTN C 901
ChainResidue
CLYS288
CSER394
CTYR499
CASP540

site_idCC7
Number of Residues20
DetailsBINDING SITE FOR RESIDUE HEM C 902
ChainResidue
BARG124
BVAL125
BALA126
BILE357
BSER358
BASN359
BCYS360
BGLU361
BARG362
BHOH1019
CCYS143
CCYS146
CHIS147
CHIS343
CGLY346
CGLY347
CHIS348
CLEU349
CHEM904
CHOH1023

site_idCC8
Number of Residues26
DetailsBINDING SITE FOR RESIDUE HEM C 903
ChainResidue
CTYR123
CARG158
CVAL202
CGLY203
CHIS204
CARG206
CTHR207
CLYS208
CPHE212
CARG218
CTYR301
CCYS302
CCYS305
CHIS306
CCYS363
CHIS364
CARG366
CCYS399
CGLY400
CGLU402
CCYS495
CARG513
CHEM905
CHEM906
CCU910
CSO3911

site_idCC9
Number of Residues25
DetailsBINDING SITE FOR RESIDUE HEM C 904
ChainResidue
BASN359
BGLU361
BARG417
BHOH1053
CHIS147
CGLN150
CTYR151
CTRP154
CHIS159
CVAL337
CSER338
CCYS339
CCYS342
CHIS343
CILE357
CSER358
CPRO424
CHIS425
CLYS459
CHEM902
CHEM905
CHOH1015
CHOH1084
CHOH1145
CHOH1234

site_idDC1
Number of Residues19
DetailsBINDING SITE FOR RESIDUE HEM C 905
ChainResidue
CARG158
CHIS159
CTHR162
CHIS204
CVAL304
CCYS305
CHIS306
CVAL337
CSER358
CCYS360
CCYS363
CHIS364
CVAL427
CTHR428
CSER454
CARG513
CHEM903
CHEM904
CHEM906

site_idDC2
Number of Residues24
DetailsBINDING SITE FOR RESIDUE HEM C 906
ChainResidue
CARG206
CHIS364
CGLU402
CGLY403
CMET416
CARG417
CCYS418
CCYS421
CHIS422
CSER454
CLYS455
CPRO456
CLEU458
CMET489
CPHE491
CARG513
CARG514
CHIS516
CHEM903
CHEM905
CHEM907
CHOH1017
CHOH1097
CHOH1182

site_idDC3
Number of Residues15
DetailsBINDING SITE FOR RESIDUE HEM C 907
ChainResidue
CHIS411
CMET416
CLYS460
CCYS462
CCYS465
CHIS466
CHIS488
CTRP518
CLYS519
CARG553
CHEM906
CHEM908
CHOH1003
CHOH1031
CHOH1209

site_idDC4
Number of Residues19
DetailsBINDING SITE FOR RESIDUE HEM C 908
ChainResidue
CCYS462
CHIS466
CGLN473
CHIS479
CCYS484
CCYS487
CHIS488
CGLN606
CASP657
CGLY658
CHIS663
CHEM907
CHOH1124
CHOH1126
CHOH1128
CHOH1206
CHOH1236
CHOH1303
CHOH1311

site_idDC5
Number of Residues11
DetailsBINDING SITE FOR RESIDUE HEM C 909
ChainResidue
CTHR478
CHIS479
CASN482
CALA561
CCYS562
CALA575
CCYS578
CHIS579
CGLU601
CVAL602
CTRP605

site_idDC6
Number of Residues4
DetailsBINDING SITE FOR RESIDUE CU C 910
ChainResidue
CCYS399
CCYS495
CHEM903
CSO3911

site_idDC7
Number of Residues9
DetailsBINDING SITE FOR RESIDUE SO3 C 911
ChainResidue
CLYS208
CTYR285
CARG366
CLYS393
CCYS399
CCYS495
CHEM903
CCU910
CHOH1308

site_idDC8
Number of Residues8
DetailsBINDING SITE FOR RESIDUE DTN D 901
ChainResidue
BTHR232
DLYS288
DSER394
DTYR499
DASP540
DGLY541
DHOH1309
DHOH1312

site_idDC9
Number of Residues20
DetailsBINDING SITE FOR RESIDUE HEM D 902
ChainResidue
DARG124
DVAL125
DCYS143
DCYS146
DHIS147
DHIS343
DGLY346
DGLY347
DHIS348
DLEU349
DILE357
DSER358
DASN359
DCYS360
DGLU361
DARG362
DHEM904
DHOH1040
DHOH1125
DHOH1191

site_idEC1
Number of Residues25
DetailsBINDING SITE FOR RESIDUE HEM D 903
ChainResidue
DTYR123
DVAL202
DGLY203
DHIS204
DARG206
DTHR207
DLYS208
DPHE212
DARG218
DTYR301
DCYS302
DCYS305
DHIS306
DCYS363
DHIS364
DARG366
DCYS399
DGLY400
DGLU402
DCYS495
DARG513
DHEM905
DHEM906
DCU910
DSO3912

site_idEC2
Number of Residues24
DetailsBINDING SITE FOR RESIDUE HEM D 904
ChainResidue
DHIS147
DGLN150
DTYR151
DHIS159
DVAL337
DSER338
DCYS339
DCYS342
DHIS343
DILE357
DSER358
DASN359
DGLU361
DARG417
DALA419
DPRO424
DHIS425
DLYS459
DHEM902
DHEM905
DHOH1073
DHOH1127
DHOH1148
DHOH1263

site_idEC3
Number of Residues17
DetailsBINDING SITE FOR RESIDUE HEM D 905
ChainResidue
DARG158
DHIS159
DTHR162
DHIS204
DCYS305
DHIS306
DVAL337
DCYS360
DCYS363
DHIS364
DVAL427
DTHR428
DSER454
DARG513
DHEM903
DHEM904
DHEM906

site_idEC4
Number of Residues23
DetailsBINDING SITE FOR RESIDUE HEM D 906
ChainResidue
DARG206
DHIS364
DGLU402
DGLY403
DMET416
DARG417
DCYS418
DCYS421
DHIS422
DSER454
DLYS455
DPRO456
DLEU458
DPHE491
DARG513
DARG514
DHIS516
DHEM903
DHEM905
DHOH1027
DHOH1096
DHOH1147
DHOH1411

site_idEC5
Number of Residues14
DetailsBINDING SITE FOR RESIDUE HEM D 907
ChainResidue
DHIS411
DLYS414
DMET416
DLYS460
DCYS462
DCYS465
DHIS466
DHIS488
DTRP518
DARG553
DHEM908
DHOH1005
DHOH1012
DHOH1209

site_idEC6
Number of Residues19
DetailsBINDING SITE FOR RESIDUE HEM D 908
ChainResidue
DHIS466
DHIS479
DCYS484
DCYS487
DHIS488
DILE520
DGLN606
DASP657
DGLY658
DTRP660
DHIS663
DHEM907
DHOH1064
DHOH1090
DHOH1116
DHOH1132
DHOH1168
DHOH1215
DHOH1216

site_idEC7
Number of Residues13
DetailsBINDING SITE FOR RESIDUE HEM D 909
ChainResidue
DTHR478
DHIS479
DASN482
DSER486
DALA561
DCYS562
DALA575
DCYS578
DHIS579
DLEU590
DGLU601
DVAL602
DTRP605

site_idEC8
Number of Residues4
DetailsBINDING SITE FOR RESIDUE CU D 910
ChainResidue
DCYS399
DCYS495
DHEM903
DSO3912

site_idEC9
Number of Residues3
DetailsBINDING SITE FOR RESIDUE SO3 D 911
ChainResidue
DGLN191
DGLY192
DTHR194

site_idFC1
Number of Residues9
DetailsBINDING SITE FOR RESIDUE SO3 D 912
ChainResidue
DLYS208
DTYR285
DARG366
DLYS393
DCYS399
DCYS495
DHEM903
DCU910
DHOH1404

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues60
DetailsBinding site: {"description":"covalent","evidences":[{"source":"PDB","id":"4RKN","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues60
DetailsBinding site: {"description":"axial binding residue","evidences":[{"source":"PDB","id":"4RKN","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues12
DetailsBinding site: {"evidences":[{"source":"PDB","id":"4RKN","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues4
DetailsBinding site: {"description":"covalent","evidences":[{"evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues8
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"25642962","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"4RKM","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

249697

PDB entries from 2026-02-25

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