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1H29

Sulfate respiration in Desulfovibrio vulgaris Hildenborough: Structure of the 16-heme Cytochrome c HmcA at 2.5 A resolution and a view of its role in transmembrane electron transfer

Functional Information from GO Data
ChainGOidnamespacecontents
A0009055molecular_functionelectron transfer activity
A0020037molecular_functionheme binding
A0042597cellular_componentperiplasmic space
B0009055molecular_functionelectron transfer activity
B0020037molecular_functionheme binding
B0042597cellular_componentperiplasmic space
C0009055molecular_functionelectron transfer activity
C0020037molecular_functionheme binding
C0042597cellular_componentperiplasmic space
D0009055molecular_functionelectron transfer activity
D0020037molecular_functionheme binding
D0042597cellular_componentperiplasmic space
Functional Information from PDB Data
site_idAC1
Number of Residues16
DetailsBINDING SITE FOR RESIDUE HEC A 1101
ChainResidue
AILE46
AARG97
ATYR110
AHIS222
AILE226
AHEC1102
AHEC1107
AHOH2060
APHE64
AHIS66
ACYS80
ACYS83
AHIS84
ALEU93
ALYS94
APHE95

site_idAC2
Number of Residues20
DetailsBINDING SITE FOR RESIDUE HEC A 1102
ChainResidue
AVAL62
APHE64
AARG65
AGLN68
AHIS69
AALA72
AVAL73
APHE95
ACYS114
ACYS117
AHIS118
ALEU121
ALYS127
ATHR128
AGLY129
APRO130
AHEC1101
AHOH2115
AHOH2116
AHOH2117

site_idAC3
Number of Residues18
DetailsBINDING SITE FOR RESIDUE HEC A 1103
ChainResidue
AILE48
AGLY49
AALA50
AMET51
ALEU57
AASP58
ALEU59
AVAL62
ATYR110
AHIS111
AHIS118
AGLN131
AASP132
ACYS135
ACYS138
AHIS139
AHOH2118
CGLN517

site_idAC4
Number of Residues18
DetailsBINDING SITE FOR RESIDUE HEC A 1104
ChainResidue
AGLY153
APHE154
AHIS159
AHIS162
AASN177
ACYS178
ACYS181
AHIS182
AGLU199
ASER201
AARG203
ALEU265
AASP266
AASP307
ACYS308
AARG309
AILE316
AHEC1106

site_idAC5
Number of Residues12
DetailsBINDING SITE FOR RESIDUE HEC A 1105
ChainResidue
ACYS181
AHIS183
ATYR185
ASER201
ACYS202
ACYS205
AHIS206
ALYS213
AARG214
APRO215
AALA220
AALA224

site_idAC6
Number of Residues17
DetailsBINDING SITE FOR RESIDUE HEC A 1106
ChainResidue
AHEC1107
AHOH2040
APHE154
ALEU158
AARG161
AHIS162
ASER165
AALA224
ACYS225
ACYS228
AHIS229
AGLU238
AGLY240
APRO241
APHE256
ALYS257
AHEC1104

site_idAC7
Number of Residues16
DetailsBINDING SITE FOR RESIDUE HEC A 1107
ChainResidue
AILE46
AHIS66
ATRP149
AGLU151
AILE152
ALEU217
AALA221
AHIS222
AILE226
AVAL242
AASN243
ACYS244
ACYS247
AHIS248
AHEC1101
AHEC1106

site_idAC8
Number of Residues16
DetailsBINDING SITE FOR RESIDUE HEC A 1108
ChainResidue
AGLN269
APRO270
AILE275
AHIS298
AALA305
AASP307
ACYS308
ACYS311
AHIS312
AILE316
AASP317
ATHR318
ACYS319
ATHR320
AARG406
AHEC1110

site_idAC9
Number of Residues13
DetailsBINDING SITE FOR RESIDUE HEC A 1109
ChainResidue
ACYS311
AHIS312
AHIS313
ATHR318
ACYS319
ACYS322
AHIS323
AASP330
ASER331
ALYS338
AALA339
ASER345
AARG347

site_idBC1
Number of Residues15
DetailsBINDING SITE FOR RESIDUE HEC A 1110
ChainResidue
AILE275
AVAL294
APHE296
AHIS301
AMET346
AARG347
ACYS349
ACYS352
AHIS353
AARG356
AARG417
ALYS464
ATHR468
AHEC1108
AHEC1112

site_idBC2
Number of Residues19
DetailsBINDING SITE FOR RESIDUE HEC A 1111
ChainResidue
AARG356
AVAL357
ATHR361
ACYS362
ACYS365
AHIS366
AILE369
APRO371
ATHR372
AGLN377
AILE460
AASP463
APHE469
AHIS470
ATHR475
ALEU476
AGLN478
AGLY479
AHOH2120

site_idBC3
Number of Residues17
DetailsBINDING SITE FOR RESIDUE HEC A 1112
ChainResidue
AILE275
APRO277
ATHR290
AMET291
ALYS292
APRO293
AVAL294
ALEU336
AGLU337
AMET340
AHIS341
ACYS349
ACYS378
ACYS381
AHIS382
AHEC1110
CGLU261

site_idBC4
Number of Residues14
DetailsBINDING SITE FOR RESIDUE HEC A 1113
ChainResidue
ATHR423
AILE429
AHIS449
ACYS477
ACYS480
AHIS481
ASER487
ALEU488
APRO490
ALYS492
ACYS493
ATYR515
AHEC1115
AHOH2121

site_idBC5
Number of Residues13
DetailsBINDING SITE FOR RESIDUE HEC A 1114
ChainResidue
APHE368
ALYS370
ACYS480
AHIS482
AASN483
APRO491
ACYS493
ACYS496
AHIS497
AALA514
AGLN517
AGLN518
AHOH2123

site_idBC6
Number of Residues12
DetailsBINDING SITE FOR RESIDUE HEC A 1115
ChainResidue
AILE435
APHE447
AILE452
ATHR455
AGLN518
ACYS519
ACYS522
AHIS523
ALYS530
APRO531
AHEC1113
AHEC1116

site_idBC7
Number of Residues20
DetailsBINDING SITE FOR RESIDUE HEC A 1116
ChainResidue
AILE435
AGLY436
AILE438
AALA439
ALYS440
AGLU441
ATYR442
ATYR515
AHIS516
ACYS519
AMET520
AALA532
AALA535
ACYS536
ACYS539
AHIS540
AHEC1115
CALA122
CLYS123
CGLN131

site_idBC8
Number of Residues16
DetailsBINDING SITE FOR RESIDUE HEC B 1101
ChainResidue
BPHE64
BHIS66
BTHR70
BASP79
BCYS80
BCYS83
BHIS84
BLEU93
BLYS94
BPHE95
BARG97
BTYR110
BHIS222
BMET230
BHEC1102
BHEC1107

site_idBC9
Number of Residues16
DetailsBINDING SITE FOR RESIDUE HEC B 1102
ChainResidue
BVAL62
BPHE64
BARG65
BGLN68
BHIS69
BALA72
BPHE95
BASN113
BCYS114
BCYS117
BHIS118
BLEU121
BLYS127
BGLY129
BPRO130
BHEC1101

site_idCC1
Number of Residues19
DetailsBINDING SITE FOR RESIDUE HEC B 1103
ChainResidue
BILE48
BGLY49
BALA50
BMET51
BLEU57
BASP58
BLEU59
BVAL62
BLYS107
BTYR110
BHIS111
BGLN131
BASP132
BGLU134
BCYS135
BCYS138
BHIS139
BHOH2110
DGLN517

site_idCC2
Number of Residues19
DetailsBINDING SITE FOR RESIDUE HEC B 1104
ChainResidue
BGLY153
BPHE154
BHIS159
BHIS162
BASN177
BCYS178
BCYS181
BHIS182
BGLU199
BSER201
BCYS202
BARG203
BLEU265
BASP307
BCYS308
BARG309
BILE316
BHEC1105
BHEC1106

site_idCC3
Number of Residues10
DetailsBINDING SITE FOR RESIDUE HEC B 1105
ChainResidue
BHIS183
BLEU192
BSER201
BCYS202
BCYS205
BHIS206
BLYS213
BARG214
BALA220
BHEC1104

site_idCC4
Number of Residues24
DetailsBINDING SITE FOR RESIDUE HEC B 1106
ChainResidue
BPHE154
BARG161
BHIS162
BSER165
BALA167
BCYS181
BALA224
BCYS225
BCYS228
BHIS229
BGLU238
BTHR239
BGLY240
BPRO241
BPHE256
BLYS257
BHEC1104
BHEC1107
BHOH2112
BHOH2113
BHOH2114
BHOH2115
BHOH2116
BHOH2117

site_idCC5
Number of Residues17
DetailsBINDING SITE FOR RESIDUE HEC B 1107
ChainResidue
BILE46
BHIS66
BTRP149
BGLU151
BILE152
BASP218
BALA221
BHIS222
BILE226
BPRO241
BVAL242
BASN243
BCYS244
BCYS247
BHIS248
BHEC1101
BHEC1106

site_idCC6
Number of Residues17
DetailsBINDING SITE FOR RESIDUE HEC B 1108
ChainResidue
BGLN269
BPRO270
BILE275
BPHE296
BHIS298
BALA305
BASP307
BCYS308
BCYS311
BHIS312
BILE316
BTHR318
BCYS319
BTHR320
BARG406
BHEC1110
BHOH2118

site_idCC7
Number of Residues16
DetailsBINDING SITE FOR RESIDUE HEC B 1109
ChainResidue
ALYS166
BCYS311
BHIS312
BHIS313
BVAL314
BARG315
BTHR318
BCYS319
BCYS322
BHIS323
BASP330
BSER331
BALA339
BSER345
BARG347
BHOH2078

site_idCC8
Number of Residues16
DetailsBINDING SITE FOR RESIDUE HEC B 1110
ChainResidue
BPHE296
BASP297
BHIS301
BMET346
BARG347
BSER348
BCYS349
BCYS352
BHIS353
BARG417
BASP463
BLYS464
BLEU465
BTHR468
BHEC1108
BHEC1112

site_idCC9
Number of Residues18
DetailsBINDING SITE FOR RESIDUE HEC B 1111
ChainResidue
BVAL357
BTHR361
BCYS362
BCYS365
BHIS366
BTHR372
BGLN377
BILE460
BASP463
BPHE469
BHIS470
BTHR475
BLEU476
BGLN478
BGLY479
BHOH2119
BHOH2120
BHOH2121

site_idDC1
Number of Residues18
DetailsBINDING SITE FOR RESIDUE HEC B 1112
ChainResidue
AARG260
AGLU261
BILE275
BLEU276
BPRO277
BTHR290
BMET291
BLYS292
BVAL294
BMET340
BHIS341
BCYS349
BCYS378
BCYS381
BHIS382
BHEC1110
BHOH2122
BHOH2123

site_idDC2
Number of Residues18
DetailsBINDING SITE FOR RESIDUE HEC B 1113
ChainResidue
BTHR423
BILE429
BILE435
BPHE447
BHIS449
BVAL453
BCYS477
BCYS480
BHIS481
BSER487
BLEU488
BPRO490
BLYS492
BCYS493
BTYR515
BHEC1115
BHOH2124
BHOH2125

site_idDC3
Number of Residues13
DetailsBINDING SITE FOR RESIDUE HEC B 1114
ChainResidue
BPHE368
BLYS370
BCYS480
BHIS482
BASN483
BLYS492
BCYS493
BCYS496
BHIS497
BASP507
BALA514
BGLN517
BGLN518

site_idDC4
Number of Residues11
DetailsBINDING SITE FOR RESIDUE HEC B 1115
ChainResidue
BPHE447
BILE452
BTHR455
BGLN518
BCYS519
BCYS522
BHIS523
BMET526
BLYS530
BCYS539
BHEC1113

site_idDC5
Number of Residues20
DetailsBINDING SITE FOR RESIDUE HEC B 1116
ChainResidue
BILE435
BGLY436
BSER437
BILE438
BALA439
BLYS440
BGLU441
BTYR442
BSER445
BLYS512
BTYR515
BHIS516
BCYS519
BALA532
BASN533
BCYS536
BCYS539
BHIS540
DLYS123
DGLN131

site_idDC6
Number of Residues15
DetailsBINDING SITE FOR RESIDUE HEC C 1101
ChainResidue
CILE46
CHIS66
CTHR70
CCYS80
CCYS83
CHIS84
CLEU93
CLYS94
CPHE95
CARG97
CTYR110
CASP218
CHIS222
CHEC1102
CHEC1107

site_idDC7
Number of Residues15
DetailsBINDING SITE FOR RESIDUE HEC C 1102
ChainResidue
CILE48
CVAL62
CPHE64
CARG65
CGLN68
CHIS69
CALA72
CCYS114
CCYS117
CHIS118
CLEU121
CLYS127
CGLY129
CPRO130
CHEC1101

site_idDC8
Number of Residues21
DetailsBINDING SITE FOR RESIDUE HEC C 1103
ChainResidue
AGLN517
CILE48
CGLY49
CALA50
CMET51
CLEU57
CASP58
CLEU59
CVAL62
CLYS107
CTYR110
CHIS111
CILE115
CHIS118
CGLN131
CASP132
CCYS135
CCYS138
CHIS139
CHOH2125
CHOH2126

site_idDC9
Number of Residues19
DetailsBINDING SITE FOR RESIDUE HEC C 1104
ChainResidue
CGLY153
CPHE154
CHIS159
CHIS162
CASN177
CCYS178
CCYS181
CHIS182
CGLU199
CSER201
CCYS202
CARG203
CASP266
CASP307
CCYS308
CARG309
CHEC1105
CHEC1106
CHOH2128

site_idEC1
Number of Residues17
DetailsBINDING SITE FOR RESIDUE HEC C 1105
ChainResidue
CHIS183
CTYR185
CLEU192
CASP200
CSER201
CCYS202
CCYS205
CHIS206
CLYS213
CARG214
CPRO215
CALA220
CTHR223
CALA224
CHEC1104
CHOH2045
CHOH2129

site_idEC2
Number of Residues21
DetailsBINDING SITE FOR RESIDUE HEC C 1106
ChainResidue
CPHE154
CLEU158
CARG161
CHIS162
CSER165
CILE168
CCYS181
CALA224
CCYS225
CCYS228
CHIS229
CGLU238
CTHR239
CGLY240
CPRO241
CPHE256
CLYS257
CHEC1104
CHEC1107
CHOH2041
CHOH2131

site_idEC3
Number of Residues15
DetailsBINDING SITE FOR RESIDUE HEC C 1107
ChainResidue
CILE46
CHIS66
CTRP149
CGLU151
CILE152
CALA221
CHIS222
CPRO241
CVAL242
CASN243
CCYS244
CCYS247
CHIS248
CHEC1101
CHEC1106

site_idEC4
Number of Residues17
DetailsBINDING SITE FOR RESIDUE HEC C 1108
ChainResidue
CGLN269
CPRO270
CILE275
CPHE296
CHIS298
CALA305
CASP307
CCYS308
CCYS311
CHIS312
CILE316
CTHR318
CCYS319
CTHR320
CARG406
CHEC1110
CHOH2132

site_idEC5
Number of Residues16
DetailsBINDING SITE FOR RESIDUE HEC C 1109
ChainResidue
CCYS311
CHIS312
CHIS313
CVAL314
CARG315
CTHR318
CCYS319
CCYS322
CHIS323
CASP330
CLYS338
CALA339
CGLN342
CSER345
CARG347
CHOH2133

site_idEC6
Number of Residues16
DetailsBINDING SITE FOR RESIDUE HEC C 1110
ChainResidue
CPHE296
CHIS301
CLYS304
CCYS311
CMET346
CARG347
CSER348
CCYS349
CCYS352
CHIS353
CARG356
CARG417
CLYS464
CLEU465
CTHR468
CHEC1108

site_idEC7
Number of Residues22
DetailsBINDING SITE FOR RESIDUE HEC C 1111
ChainResidue
CVAL357
CGLN359
CTHR361
CCYS362
CCYS365
CHIS366
CILE369
CPRO371
CTHR372
CGLN377
CLEU456
CILE460
CASP463
CLEU465
CPHE469
CHIS470
CTHR475
CLEU476
CGLN478
CGLY479
CHOH2085
CHOH2134

site_idEC8
Number of Residues17
DetailsBINDING SITE FOR RESIDUE HEC C 1112
ChainResidue
BGLU261
CILE275
CPRO277
CGLY289
CTHR290
CMET291
CLYS292
CVAL294
CLEU336
CGLU337
CMET340
CHIS341
CCYS349
CCYS378
CCYS381
CHIS382
CHOH2072

site_idEC9
Number of Residues19
DetailsBINDING SITE FOR RESIDUE HEC C 1113
ChainResidue
CTHR423
CILE429
CPRO430
CILE435
CPHE447
CHIS449
CILE452
CVAL453
CCYS477
CCYS480
CHIS481
CSER487
CLEU488
CPRO490
CLYS492
CCYS493
CTYR515
CGLN518
CHEC1115

site_idFC1
Number of Residues14
DetailsBINDING SITE FOR RESIDUE HEC C 1114
ChainResidue
CPHE368
CLYS370
CHIS482
CASN483
CPRO491
CCYS493
CSER495
CCYS496
CHIS497
CARG508
CALA514
CGLN517
CGLN518
CHOH2136

site_idFC2
Number of Residues15
DetailsBINDING SITE FOR RESIDUE HEC C 1115
ChainResidue
CSER445
CPHE447
CPRO448
CILE452
CTHR455
CGLN518
CCYS519
CCYS522
CHIS523
CMET526
CLYS530
CPRO531
CCYS539
CHEC1113
CHEC1116

site_idFC3
Number of Residues23
DetailsBINDING SITE FOR RESIDUE HEC C 1116
ChainResidue
ATHR119
AGLN131
CILE435
CGLY436
CSER437
CILE438
CALA439
CLYS440
CGLU441
CTYR442
CLYS512
CTYR515
CHIS516
CCYS519
CMET520
CHIS523
CALA532
CASN533
CCYS536
CCYS539
CHIS540
CHEC1115
CHOH2107

site_idFC4
Number of Residues16
DetailsBINDING SITE FOR RESIDUE HEC D 1101
ChainResidue
DILE46
DHIS66
DTHR70
DCYS80
DCYS83
DHIS84
DLEU93
DLYS94
DPHE95
DARG97
DTYR110
DHIS222
DILE226
DMET230
DHEC1102
DHOH2108

site_idFC5
Number of Residues16
DetailsBINDING SITE FOR RESIDUE HEC D 1102
ChainResidue
DVAL62
DPHE64
DARG65
DGLN68
DHIS69
DALA72
DVAL73
DPHE95
DCYS114
DCYS117
DHIS118
DLEU121
DLYS127
DGLY129
DPRO130
DHEC1101

site_idFC6
Number of Residues16
DetailsBINDING SITE FOR RESIDUE HEC D 1103
ChainResidue
BGLN517
DILE48
DGLY49
DALA50
DMET51
DLEU57
DASP58
DLEU59
DTYR110
DHIS111
DHIS118
DGLN131
DASP132
DCYS135
DCYS138
DHIS139

site_idFC7
Number of Residues21
DetailsBINDING SITE FOR RESIDUE HEC D 1104
ChainResidue
DGLY153
DPHE154
DHIS159
DHIS162
DVAL163
DASN177
DCYS178
DCYS181
DHIS182
DGLU199
DSER201
DARG203
DLEU265
DASP266
DASP307
DCYS308
DARG309
DILE316
DHEC1105
DHEC1106
DHEC1108

site_idFC8
Number of Residues15
DetailsBINDING SITE FOR RESIDUE HEC D 1105
ChainResidue
DHIS183
DTYR185
DLEU192
DASP200
DSER201
DCYS202
DCYS205
DHIS206
DLYS213
DARG214
DPRO215
DALA220
DALA224
DHEC1104
DHOH2110

site_idFC9
Number of Residues16
DetailsBINDING SITE FOR RESIDUE HEC D 1106
ChainResidue
DPHE154
DARG161
DHIS162
DSER165
DCYS225
DCYS228
DHIS229
DGLU238
DTHR239
DGLY240
DPRO241
DPHE256
DHEC1104
DHEC1107
DHOH2032
DHOH2111

site_idGC1
Number of Residues16
DetailsBINDING SITE FOR RESIDUE HEC D 1107
ChainResidue
DILE46
DHIS66
DTRP149
DGLU151
DILE152
DASP218
DALA221
DHIS222
DCYS225
DILE226
DVAL242
DASN243
DCYS244
DCYS247
DHIS248
DHEC1106

site_idGC2
Number of Residues17
DetailsBINDING SITE FOR RESIDUE HEC D 1108
ChainResidue
DARG267
DGLN269
DILE275
DHIS298
DALA305
DASP307
DCYS308
DCYS311
DHIS312
DILE316
DTHR318
DCYS319
DTHR320
DARG406
DHEC1104
DHEC1110
DHOH2065

site_idGC3
Number of Residues14
DetailsBINDING SITE FOR RESIDUE HEC D 1109
ChainResidue
DCYS311
DHIS312
DHIS313
DTHR318
DCYS319
DCYS322
DHIS323
DASP330
DSER331
DLYS338
DALA339
DGLN342
DSER345
DARG347

site_idGC4
Number of Residues19
DetailsBINDING SITE FOR RESIDUE HEC D 1110
ChainResidue
DILE275
DPHE296
DHIS301
DLYS304
DCYS311
DMET346
DARG347
DSER348
DCYS349
DCYS352
DHIS353
DARG356
DARG417
DASP463
DLYS464
DLEU465
DTHR468
DHEC1108
DHEC1112

site_idGC5
Number of Residues15
DetailsBINDING SITE FOR RESIDUE HEC D 1111
ChainResidue
DVAL357
DCYS362
DCYS365
DHIS366
DILE369
DPRO371
DTHR372
DGLN377
DASP463
DPHE469
DHIS470
DTHR475
DLEU476
DGLN478
DGLY479

site_idGC6
Number of Residues17
DetailsBINDING SITE FOR RESIDUE HEC D 1112
ChainResidue
DCYS349
DCYS378
DCYS381
DHIS382
DHEC1110
DGLU261
DILE275
DPRO277
DGLY289
DTHR290
DMET291
DLYS292
DPRO293
DVAL294
DLEU336
DMET340
DHIS341

site_idGC7
Number of Residues15
DetailsBINDING SITE FOR RESIDUE HEC D 1113
ChainResidue
DILE429
DILE435
DPHE447
DHIS449
DVAL453
DCYS477
DCYS480
DHIS481
DSER487
DLEU488
DPRO490
DLYS492
DCYS493
DTYR515
DHEC1115

site_idGC8
Number of Residues12
DetailsBINDING SITE FOR RESIDUE HEC D 1114
ChainResidue
DPHE368
DLYS370
DCYS480
DHIS482
DASN483
DCYS493
DCYS496
DHIS497
DASP507
DALA514
DGLN517
DGLN518

site_idGC9
Number of Residues12
DetailsBINDING SITE FOR RESIDUE HEC D 1115
ChainResidue
DSER445
DPHE447
DLYS451
DILE452
DTHR455
DCYS480
DGLN518
DCYS519
DCYS522
DHIS523
DLYS530
DHEC1113

site_idHC1
Number of Residues20
DetailsBINDING SITE FOR RESIDUE HEC D 1116
ChainResidue
BGLN131
DILE435
DGLY436
DSER437
DILE438
DALA439
DLYS440
DGLU441
DTYR442
DLYS512
DTYR515
DHIS516
DCYS519
DMET520
DALA532
DASN533
DCYS536
DCYS539
DHIS540
DHOH2112

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues124
DetailsBinding site: {"description":"axial binding residue"}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues128
DetailsBinding site: {"description":"covalent"}
ChainResidueDetails

260320

PDB entries from 2026-09-30

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