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2VR0

Crystal structure of cytochrome c nitrite reductase NrfHA complex bound to the HQNO inhibitor

Functional Information from GO Data
ChainGOidnamespacecontents
A0042279molecular_functionnitrite reductase (cytochrome, ammonia-forming) activity
A0042597cellular_componentperiplasmic space
B0042279molecular_functionnitrite reductase (cytochrome, ammonia-forming) activity
B0042597cellular_componentperiplasmic space
C0005886cellular_componentplasma membrane
C0009055molecular_functionelectron transfer activity
C0009061biological_processanaerobic respiration
C0016020cellular_componentmembrane
C0019333biological_processdenitrification pathway
C0020037molecular_functionheme binding
C0046872molecular_functionmetal ion binding
D0042279molecular_functionnitrite reductase (cytochrome, ammonia-forming) activity
D0042597cellular_componentperiplasmic space
E0042279molecular_functionnitrite reductase (cytochrome, ammonia-forming) activity
E0042597cellular_componentperiplasmic space
F0005886cellular_componentplasma membrane
F0009055molecular_functionelectron transfer activity
F0009061biological_processanaerobic respiration
F0016020cellular_componentmembrane
F0019333biological_processdenitrification pathway
F0020037molecular_functionheme binding
F0046872molecular_functionmetal ion binding
Functional Information from PDB Data
site_idAC1
Number of Residues14
DetailsBINDING SITE FOR RESIDUE HEM A1001
ChainResidue
AARG116
ATYR236
AHIS298
AASN429
AHEC1003
AHOH2023
AALA118
AILE131
AARG133
ACYS147
ACYS150
ALYS151
ACYS232
AHIS233

site_idAC2
Number of Residues21
DetailsBINDING SITE FOR RESIDUE HEM A1002
ChainResidue
ATYR39
APHE57
AGLN60
ATYR61
ATYR64
AGLY186
ACYS187
ACYS190
AHIS191
AMET196
ALEU198
AARG221
AARG225
AMET321
AILE332
ASER333
AHIS335
ATRP337
AHEC1003
CGLU126
CVAL127

site_idAC3
Number of Residues23
DetailsBINDING SITE FOR RESIDUE HEM A1003
ChainResidue
AGLY78
ASER79
AALA118
AARG119
AGLY120
AHIS121
ATYR123
AALA124
AASP127
ACYS150
AILE185
ATHR189
AVAL228
ACYS229
ACYS232
AHIS233
AHIS320
ATRP337
ATHR338
AHEC1001
AHEC1002
AHEC1004
ACA1007

site_idAC4
Number of Residues21
DetailsBINDING SITE FOR RESIDUE HEM A1004
ChainResidue
ATHR74
ALYS77
AGLY78
AGLU117
AHIS233
AGLU300
ATRP304
AHIS309
AVAL314
ATHR315
ACYS316
ACYS319
AHIS320
ASER339
AMET341
AGLN369
AASN429
APHE433
AHIS434
AHEC1003
ACA1007

site_idAC5
Number of Residues13
DetailsBINDING SITE FOR RESIDUE HEM A1005
ChainResidue
AHIS309
ACYS319
APRO340
AMET346
ACYS349
ACYS352
AHIS353
AARG364
BHIS353
BLYS356
BHEC1005
CASP138
CARG141

site_idAC6
Number of Residues5
DetailsBINDING SITE FOR RESIDUE CA A1006
ChainResidue
AGLU235
ATYR236
ALYS295
AGLN297
AHOH2014

site_idAC7
Number of Residues5
DetailsBINDING SITE FOR RESIDUE CA A1007
ChainResidue
AALA118
AHEC1003
AHEC1004
AGLY78
AGLU117

site_idAC8
Number of Residues18
DetailsBINDING SITE FOR RESIDUE HEM B1001
ChainResidue
BARG116
BALA118
BPHE128
BILE131
BARG133
BCYS147
BCYS150
BLYS151
BCYS232
BHIS233
BTYR236
BPHE238
BHIS298
BASN429
BHEC1003
BHOH2008
BHOH2040
BHOH2041

site_idAC9
Number of Residues19
DetailsBINDING SITE FOR RESIDUE HEM B1002
ChainResidue
BTYR39
BPHE57
BGLN60
BTYR64
BGLY186
BCYS187
BCYS190
BHIS191
BMET196
BLEU198
BARG221
BARG225
BMET321
BTYR323
BSER333
BHIS335
BTRP337
BHEC1003
CALA157

site_idBC1
Number of Residues24
DetailsBINDING SITE FOR RESIDUE HEM B1003
ChainResidue
BGLY78
BSER79
BALA118
BARG119
BGLY120
BHIS121
BTYR123
BALA124
BASP127
BCYS150
BILE185
BVAL228
BCYS229
BCYS232
BHIS233
BHIS320
BMET321
BTRP337
BTHR338
BHEC1001
BHEC1002
BHEC1004
BCA1007
BHOH2029

site_idBC2
Number of Residues23
DetailsBINDING SITE FOR RESIDUE HEM B1004
ChainResidue
BTHR74
BLYS77
BGLY78
BGLU117
BALA118
BHIS233
BGLU300
BTRP304
BHIS309
BVAL314
BTHR315
BCYS316
BCYS319
BHIS320
BSER339
BGLN369
BASN429
BPHE433
BHIS434
BHEC1003
BHEC1005
BCA1007
BHOH2029

site_idBC3
Number of Residues16
DetailsBINDING SITE FOR RESIDUE HEM B1005
ChainResidue
AHIS353
ALYS356
AHEC1005
BHIS309
BVAL314
BASP318
BPRO340
BCYS349
BCYS352
BHIS353
BARG364
BVAL365
BPHE433
BPRO436
BHEC1004
CMET148

site_idBC4
Number of Residues5
DetailsBINDING SITE FOR RESIDUE CA B1006
ChainResidue
BGLU235
BTYR236
BLYS295
BGLN297
BHOH2016

site_idBC5
Number of Residues5
DetailsBINDING SITE FOR RESIDUE CA B1007
ChainResidue
BGLY78
BGLU117
BALA118
BHEC1003
BHEC1004

site_idBC6
Number of Residues13
DetailsBINDING SITE FOR RESIDUE HEM C1001
ChainResidue
CTHR37
CCYS43
CCYS46
CMET49
CASN67
CASP89
CMET92
CASN93
CALA104
CGLY105
CTHR108
CHEC1002
CHQO1005

site_idBC7
Number of Residues18
DetailsBINDING SITE FOR RESIDUE HEM C1002
ChainResidue
CARG40
CCYS43
CMET49
CVAL52
CGLY53
CHIS56
CHIS61
CSER65
CCYS66
CCYS69
CHIS70
CILE102
CALA104
CLYS109
CTHR137
CGLN144
CHIS145
CHEC1001

site_idBC8
Number of Residues17
DetailsBINDING SITE FOR RESIDUE HEM C1003
ChainResidue
CGLY60
CHIS61
CASP68
CCYS69
CASN115
CCYS116
CCYS119
CHIS120
CHIS140
CVAL143
CHEC1004
DLYS329
FCYS119
FHIS120
FMET122
FTHR123
FHEC1003

site_idBC9
Number of Residues17
DetailsBINDING SITE FOR RESIDUE HEM C1004
ChainResidue
ATYR323
ATHR324
AARG325
ALYS331
AARG347
AGLN351
CCYS116
CHIS120
CASN124
CSER129
CCYS136
CCYS139
CHIS140
CHEC1003
DARG325
DLYS329
FHEC1004

site_idCC1
Number of Residues8
DetailsBINDING SITE FOR RESIDUE HQO C1005
ChainResidue
CMET34
CPHE42
CASN67
CLYS82
CALA85
CGLY86
CASP89
CHEC1001

site_idCC2
Number of Residues18
DetailsBINDING SITE FOR RESIDUE HEM D1001
ChainResidue
DTYR115
DARG116
DALA118
DPHE128
DILE131
DARG133
DCYS147
DCYS150
DLYS151
DCYS232
DHIS233
DTYR236
DHIS298
DASN429
DHEC1003
DHOH2007
DHOH2019
DHOH2020

site_idCC3
Number of Residues19
DetailsBINDING SITE FOR RESIDUE HEM D1002
ChainResidue
DTYR39
DPHE57
DGLN60
DTYR61
DTYR64
DGLY186
DCYS187
DCYS190
DHIS191
DMET196
DARG221
DARG225
DMET321
DSER333
DHIS335
DTRP337
DHEC1003
FGLU126
FVAL127

site_idCC4
Number of Residues25
DetailsBINDING SITE FOR RESIDUE HEM D1003
ChainResidue
DGLY78
DSER79
DALA118
DARG119
DGLY120
DHIS121
DTYR123
DALA124
DASP127
DCYS150
DLYS151
DILE185
DTHR189
DVAL228
DCYS229
DCYS232
DHIS233
DHIS320
DMET321
DTRP337
DTHR338
DHEC1001
DHEC1002
DHEC1004
DCA1007

site_idCC5
Number of Residues21
DetailsBINDING SITE FOR RESIDUE HEM D1004
ChainResidue
DTHR74
DLYS77
DGLY78
DGLU117
DHIS233
DGLU300
DTRP304
DHIS309
DVAL314
DTHR315
DCYS316
DCYS319
DHIS320
DSER339
DGLN369
DASN429
DPHE433
DHIS434
DHEC1003
DHEC1005
DCA1007

site_idCC6
Number of Residues12
DetailsBINDING SITE FOR RESIDUE HEM D1005
ChainResidue
DHIS309
DVAL314
DMET346
DALA348
DCYS349
DCYS352
DHIS353
DARG364
DHEC1004
EHIS353
ELYS356
FARG141

site_idCC7
Number of Residues5
DetailsBINDING SITE FOR RESIDUE CA D1006
ChainResidue
DGLU235
DTYR236
DASP283
DLYS295
DGLN297

site_idCC8
Number of Residues5
DetailsBINDING SITE FOR RESIDUE CA D1007
ChainResidue
DGLY78
DGLU117
DALA118
DHEC1003
DHEC1004

site_idCC9
Number of Residues17
DetailsBINDING SITE FOR RESIDUE HEM E1001
ChainResidue
EARG116
EALA118
EASP127
EILE131
EARG133
ECYS147
ECYS150
ELYS151
ECYS232
EHIS233
EVAL234
ETYR236
EHIS298
EASN429
EHEC1003
EHOH2005
EHOH2013

site_idDC1
Number of Residues18
DetailsBINDING SITE FOR RESIDUE HEM E1002
ChainResidue
ETYR39
EGLN60
ETYR64
EGLY186
ECYS187
ECYS190
EHIS191
EMET196
EARG221
EARG225
EMET321
ETYR323
EILE332
ESER333
EHIS335
ETRP337
EHEC1003
FALA157

site_idDC2
Number of Residues24
DetailsBINDING SITE FOR RESIDUE HEM E1003
ChainResidue
EGLY78
ESER79
EALA118
EARG119
EGLY120
EHIS121
EALA124
EASP127
ECYS150
ELYS151
EILE185
ETHR189
EVAL228
ECYS229
ECYS232
EHIS233
EHIS320
EMET321
ETRP337
ETHR338
EHEC1001
EHEC1002
EHEC1004
ECA1007

site_idDC3
Number of Residues22
DetailsBINDING SITE FOR RESIDUE HEM E1004
ChainResidue
ETHR74
ELYS77
EGLY78
EGLU117
EGLU300
ETRP304
EHIS309
EVAL314
ETHR315
ECYS316
ECYS319
EHIS320
ESER339
EPRO340
EMET341
EGLN369
EASN429
EPHE433
EHIS434
EHEC1003
ECA1007
EHOH2009

site_idDC4
Number of Residues14
DetailsBINDING SITE FOR RESIDUE HEM E1005
ChainResidue
DHIS353
DLYS356
EHIS309
EVAL314
EASP318
EPRO340
ECYS349
ECYS352
EHIS353
EARG364
EVAL365
EPRO436
EHOH2014
FMET148

site_idDC5
Number of Residues4
DetailsBINDING SITE FOR RESIDUE CA E1006
ChainResidue
EGLU235
ETYR236
ELYS295
EGLN297

site_idDC6
Number of Residues5
DetailsBINDING SITE FOR RESIDUE CA E1007
ChainResidue
EGLY78
EGLU117
EALA118
EHEC1003
EHEC1004

site_idDC7
Number of Residues15
DetailsBINDING SITE FOR RESIDUE HEM F1001
ChainResidue
FTHR37
FCYS43
FCYS46
FMET49
FCYS66
FASN67
FHIS70
FASP89
FMET92
FLEU103
FALA104
FGLY105
FTHR108
FHEC1002
FHQO1005

site_idDC8
Number of Residues17
DetailsBINDING SITE FOR RESIDUE HEM F1002
ChainResidue
FARG40
FCYS43
FMET49
FVAL52
FHIS56
FHIS61
FSER65
FCYS66
FCYS69
FHIS70
FALA104
FLYS109
FTHR137
FVAL143
FGLN144
FHIS145
FHEC1001

site_idDC9
Number of Residues17
DetailsBINDING SITE FOR RESIDUE HEM F1003
ChainResidue
ALYS329
CCYS119
CHIS120
CMET122
CTHR123
CHEC1003
FGLY60
FHIS61
FASP68
FCYS69
FVAL112
FASN115
FCYS116
FCYS119
FHIS120
FHIS140
FHOH2003

site_idEC1
Number of Residues15
DetailsBINDING SITE FOR RESIDUE HEM F1004
ChainResidue
AARG325
ALYS329
CHEC1004
DTYR323
DTHR324
DARG325
DLYS331
DARG347
DGLN351
FHIS120
FASN124
FSER129
FCYS136
FCYS139
FHIS140

site_idEC2
Number of Residues7
DetailsBINDING SITE FOR RESIDUE HQO F1005
ChainResidue
FTHR37
FASN67
FLYS82
FALA85
FGLY86
FASP89
FHEC1001

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues24
DetailsTOPO_DOM: Cytoplasmic => ECO:0000269|PubMed:17139260, ECO:0000269|PubMed:18597779
ChainResidueDetails
CSER2-LYS14
BALA118
BGLU235
BTYR236
BLYS295
BGLN297
DGLY78
DGLU117
DALA118
DGLU235
DTYR236
FSER2-LYS14
DLYS295
DGLN297
EGLY78
EGLU117
EALA118
EGLU235
ETYR236
ELYS295
EGLN297
AALA118
AGLU235
ATYR236
ALYS295
AGLN297
BGLY78
BGLU117

site_idSWS_FT_FI2
Number of Residues36
DetailsTRANSMEM: Helical; Signal-anchor for type II membrane protein => ECO:0000255, ECO:0000269|PubMed:17139260, ECO:0000269|PubMed:18597779
ChainResidueDetails
CLEU15-GLY33
BHIS121
BLYS151
BHIS191
BHIS233
BHIS309
BHIS320
BHIS335
BHIS353
BHIS434
DHIS121
FLEU15-GLY33
DLYS151
DHIS191
DHIS233
DHIS309
DHIS320
DHIS335
DHIS353
DHIS434
EHIS121
ELYS151
AHIS191
EHIS191
EHIS233
EHIS309
EHIS320
EHIS335
EHIS353
EHIS434
AHIS233
AHIS309
AHIS320
AHIS335
AHIS353
AHIS434

site_idSWS_FT_FI3
Number of Residues250
DetailsTOPO_DOM: Periplasmic => ECO:0000269|PubMed:17139260, ECO:0000269|PubMed:18597779
ChainResidueDetails
CMET34-GLU159
DCYS187
DCYS232
DCYS319
ECYS147
ECYS187
ECYS232
ECYS319
FMET34-GLU159
ACYS232
ACYS319
BCYS147
BCYS187
BCYS232
BCYS319
DCYS147

site_idSWS_FT_FI4
Number of Residues8
DetailsBINDING: covalent => ECO:0000269|PubMed:17139260, ECO:0000269|PubMed:18597779, ECO:0007744|PDB:2J7A, ECO:0007744|PDB:2VR0
ChainResidueDetails
CCYS43
BCYS352
DCYS150
DCYS229
DCYS316
DCYS349
DCYS352
ECYS150
ECYS229
ECYS316
ECYS349
CCYS66
ECYS352
CCYS69
CCYS136
FCYS43
FCYS66
FCYS69
FCYS136
BCYS349

site_idSWS_FT_FI5
Number of Residues8
DetailsBINDING: covalent => ECO:0000269|PubMed:17139260, ECO:0007744|PDB:2J7A
ChainResidueDetails
CCYS46
CCYS116
CCYS119
CCYS139
FCYS46
FCYS116
FCYS119
FCYS139

site_idSWS_FT_FI6
Number of Residues4
DetailsBINDING: axial binding residue => ECO:0000269|PubMed:17139260, ECO:0007744|PDB:2J7A
ChainResidueDetails
CMET49
CASP89
FMET49
FASP89

site_idSWS_FT_FI7
Number of Residues10
DetailsBINDING: axial binding residue => ECO:0000269|PubMed:17139260, ECO:0000269|PubMed:18597779, ECO:0007744|PDB:2J7A, ECO:0007744|PDB:2VR0
ChainResidueDetails
CHIS61
FHIS145
CHIS70
CHIS120
CHIS140
CHIS145
FHIS61
FHIS70
FHIS120
FHIS140

site_idSWS_FT_FI8
Number of Residues4
DetailsBINDING: BINDING => ECO:0000269|PubMed:18597779, ECO:0007744|PDB:2VR0
ChainResidueDetails
CASN67
CLYS82
FASN67
FLYS82

site_idSWS_FT_FI9
Number of Residues6
DetailsSITE: Interaction with NrfA => ECO:0000269|PubMed:17139260, ECO:0007744|PDB:2J7A
ChainResidueDetails
CARG40
CLYS57
CASN63
FARG40
FLYS57
FASN63

236060

PDB entries from 2025-05-14

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