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3LG1

Structure of the Thioalkalivibrio nitratireducens cytochrome c nitrite reductase reduced by sodium borohydride (in complex with sulfite)

Functional Information from GO Data
ChainGOidnamespacecontents
A0005509molecular_functioncalcium ion binding
A0016491molecular_functionoxidoreductase activity
A0019331biological_processanaerobic respiration, using ammonium as electron donor
A0019645biological_processanaerobic electron transport chain
A0020037molecular_functionheme binding
A0030288cellular_componentouter membrane-bounded periplasmic space
A0042128biological_processnitrate assimilation
A0042279molecular_functionnitrite reductase (cytochrome, ammonia-forming) activity
A0042597cellular_componentperiplasmic space
A0046872molecular_functionmetal ion binding
B0005509molecular_functioncalcium ion binding
B0016491molecular_functionoxidoreductase activity
B0019331biological_processanaerobic respiration, using ammonium as electron donor
B0019645biological_processanaerobic electron transport chain
B0020037molecular_functionheme binding
B0030288cellular_componentouter membrane-bounded periplasmic space
B0042128biological_processnitrate assimilation
B0042279molecular_functionnitrite reductase (cytochrome, ammonia-forming) activity
B0042597cellular_componentperiplasmic space
B0046872molecular_functionmetal ion binding
Functional Information from PDB Data
site_idAC1
Number of Residues25
DetailsBINDING SITE FOR RESIDUE HEC A 1004
ChainResidue
AHIS113
ALYS188
AARG242
ACYS299
AHIS300
ATYR303
ACYS305
AHIS361
AASN486
ASO3526
AHOH568
AALA114
AHOH692
AHOH693
AHOH699
AHOH940
AHOH943
AHEC1006
AASP125
AHIS126
AVAL129
AARG131
AALA179
ACYS184
ACYS187

site_idAC2
Number of Residues21
DetailsBINDING SITE FOR RESIDUE HEC A 1005
ChainResidue
AHIS70
AGLN73
ALEU225
AASN226
ACYS227
ACYS230
AHIS231
AALA290
AMET384
ATYR395
ATHR396
AHIS398
AHOH665
AHOH775
AHOH798
AHOH866
AHOH870
AHOH892
AHOH964
AHOH980
AHEC1003

site_idAC3
Number of Residues20
DetailsBINDING SITE FOR RESIDUE HEC A 1006
ChainResidue
ASER84
APRO116
AARG117
AHIS119
APHE121
AMET122
AASP125
ACYS187
AMET229
ACYS296
ACYS299
AHIS300
AHIS383
AMET384
ACA528
AHOH558
AHOH575
AHOH686
AHEC1004
AHEC1007

site_idAC4
Number of Residues20
DetailsBINDING SITE FOR RESIDUE HEC A 1007
ChainResidue
AHIS300
APHE367
AHIS372
AALA378
ACYS379
ACYS382
AHIS383
ATHR402
AARG404
ALYS431
AASN486
APHE490
AHIS491
AHOH686
AHOH687
AHOH688
AHOH700
AHOH883
AHEC1006
AHOH1025

site_idAC5
Number of Residues20
DetailsBINDING SITE FOR RESIDUE HEC A 1008
ChainResidue
APG4541
AHOH640
AHOH715
AHOH871
AHOH878
AHOH890
AHOH894
AASN141
ATRP142
AGLN143
AVAL371
AHIS372
APRO403
AALA410
ACYS411
ACYS414
AHIS415
ATRP418
AILE427
APHE490

site_idAC6
Number of Residues21
DetailsBINDING SITE FOR RESIDUE HEC A 1002
ChainResidue
ACYS14
APHE15
AHIS18
AHIS25
AVAL33
AASN34
ACYS35
ACYS38
AHIS39
ALEU194
APHE228
APRO233
AHIS234
AARG239
APHE274
AARG276
AARG282
AHOH632
AHOH891
AHEC1001
AHEC1003

site_idAC7
Number of Residues15
DetailsBINDING SITE FOR RESIDUE HEC A 1003
ChainResidue
ALYS29
AHIS30
AHIS37
AALA65
ACYS66
ACYS69
AHIS70
ACYS227
AHIS231
AALA236
AHOH837
AHEC1002
AHEC1005
AHOH1039
BTHR68

site_idAC8
Number of Residues25
DetailsBINDING SITE FOR RESIDUE HEC A 1001
ChainResidue
AGLN13
ACYS14
ACYS17
AHIS18
AHIS39
AHIS44
AVAL45
AALA48
ASER49
ASER50
AARG52
AMET53
AARG56
APRO57
ATHR59
ALEU194
AARG276
AHOH635
AHOH663
AHOH814
AHOH891
AHOH925
AHEC1002
AHOH1019
AHOH1022

site_idAC9
Number of Residues10
DetailsBINDING SITE FOR RESIDUE SO3 A 526
ChainResidue
APHE109
AARG131
ATYR303
AGLN360
AHIS361
AHOH699
AHOH935
AHOH940
AHOH943
AHEC1004

site_idBC1
Number of Residues6
DetailsBINDING SITE FOR RESIDUE CA A 527
ChainResidue
AGLU302
ATYR303
ALYS358
AGLN360
AHOH778
AHOH779

site_idBC2
Number of Residues5
DetailsBINDING SITE FOR RESIDUE CA A 528
ChainResidue
APRO116
AHOH583
AHOH589
AHOH883
AHEC1006

site_idBC3
Number of Residues3
DetailsBINDING SITE FOR RESIDUE NA A 529
ChainResidue
AGLU390
AHOH550
AHOH1049

site_idBC4
Number of Residues3
DetailsBINDING SITE FOR RESIDUE NA A 530
ChainResidue
ATHR94
APG6532
AHOH936

site_idBC5
Number of Residues6
DetailsBINDING SITE FOR RESIDUE NA A 531
ChainResidue
AHOH879
AHOH879
AHOH879
AHOH906
AHOH906
AHOH906

site_idBC6
Number of Residues11
DetailsBINDING SITE FOR RESIDUE PG6 A 532
ChainResidue
ATHR94
ATHR94
AGLU115
AASP428
ALYS431
AASN432
ANA530
APG4533
AHOH893
AHOH931
AHOH1015

site_idBC7
Number of Residues7
DetailsBINDING SITE FOR RESIDUE PG4 A 533
ChainResidue
AARG404
AASP428
ALYS431
APG6532
AHOH687
AHOH893
AHOH1015

site_idBC8
Number of Residues4
DetailsBINDING SITE FOR RESIDUE PG6 A 534
ChainResidue
AALA11
AALA31
AASN34
AHOH882

site_idBC9
Number of Residues4
DetailsBINDING SITE FOR RESIDUE NA A 535
ChainResidue
AHOH603
AHOH688
AHOH842
AHOH883

site_idCC1
Number of Residues5
DetailsBINDING SITE FOR RESIDUE NA A 536
ChainResidue
AGLU265
AASP288
AHOH817
AHOH899
AHOH1027

site_idCC2
Number of Residues10
DetailsBINDING SITE FOR RESIDUE SO3 A 537
ChainResidue
AHOH592
AHOH592
AHOH906
AHOH921
AHOH938
AHOH938
AHOH938
AHOH986
AHOH986
AHOH986

site_idCC3
Number of Residues6
DetailsBINDING SITE FOR RESIDUE PG6 A 539
ChainResidue
AGLN138
APHE139
ATRP142
AASP494
AHOH884
AHOH962

site_idCC4
Number of Residues3
DetailsBINDING SITE FOR RESIDUE PG4 A 540
ChainResidue
AARG60
AASP62
AGLU64

site_idCC5
Number of Residues3
DetailsBINDING SITE FOR RESIDUE PG4 A 541
ChainResidue
AASN375
AGLY376
AHEC1008

site_idCC6
Number of Residues6
DetailsBINDING SITE FOR RESIDUE PG6 A 542
ChainResidue
AASN141
AGLN143
ALYS144
AASP147
ATHR157
AHOH922

site_idCC7
Number of Residues4
DetailsBINDING SITE FOR RESIDUE PG6 A 543
ChainResidue
ALEU311
AGLY314
AARG348
AALA355

site_idCC8
Number of Residues5
DetailsBINDING SITE FOR RESIDUE PG6 A 544
ChainResidue
AHIS107
AGLY108
AALA179
AHOH646
AHOH706

site_idCC9
Number of Residues4
DetailsBINDING SITE FOR RESIDUE PG4 A 545
ChainResidue
AVAL36
AHIS39
AASP40
AARG60

site_idDC1
Number of Residues23
DetailsBINDING SITE FOR RESIDUE HEC B 1004
ChainResidue
BHIS113
BALA114
BASP125
BHIS126
BVAL129
BARG131
BCYS184
BCYS187
BLYS188
BARG242
BCYS299
BHIS300
BTYR303
BCYS305
BHIS361
BASN486
BSO3526
BHOH585
BHOH709
BHOH710
BHOH716
BHOH955
BHEC1006

site_idDC2
Number of Residues20
DetailsBINDING SITE FOR RESIDUE HEC B 1005
ChainResidue
BHIS70
BGLN73
BLEU225
BASN226
BCYS227
BCYS230
BHIS231
BALA290
BMET384
BTYR395
BTHR396
BHIS398
BHOH683
BHOH792
BHOH815
BHOH882
BHOH886
BHOH908
BHEC1003
BHEC1006

site_idDC3
Number of Residues22
DetailsBINDING SITE FOR RESIDUE HEC B 1006
ChainResidue
BSER84
BPRO116
BARG117
BHIS119
BPHE121
BMET122
BASP125
BCYS187
BLEU225
BMET229
BCYS296
BCYS299
BHIS300
BHIS383
BMET384
BCA528
BHOH575
BHOH592
BHOH703
BHEC1004
BHEC1005
BHEC1007

site_idDC4
Number of Residues20
DetailsBINDING SITE FOR RESIDUE HEC B 1007
ChainResidue
BHIS300
BPHE367
BHIS372
BALA378
BCYS379
BCYS382
BHIS383
BTHR402
BARG404
BILE427
BLYS431
BASN486
BPHE490
BHIS491
BHOH703
BHOH704
BHOH705
BHOH717
BHOH899
BHEC1006

site_idDC5
Number of Residues18
DetailsBINDING SITE FOR RESIDUE HEC B 1008
ChainResidue
BASN141
BTRP142
BGLN143
BVAL371
BHIS372
BALA410
BCYS411
BCYS414
BHIS415
BTRP418
BILE427
BPHE490
BHOH657
BHOH732
BHOH887
BHOH894
BHOH906
BHOH910

site_idDC6
Number of Residues22
DetailsBINDING SITE FOR RESIDUE HEC B 1002
ChainResidue
BCYS14
BPHE15
BHIS18
BILE21
BHIS25
BVAL33
BASN34
BCYS35
BCYS38
BHIS39
BLEU194
BPHE228
BPRO233
BHIS234
BARG239
BPHE274
BARG276
BARG282
BHOH649
BHOH907
BHEC1001
BHEC1003

site_idDC7
Number of Residues15
DetailsBINDING SITE FOR RESIDUE HEC B 1003
ChainResidue
AHIS37
BLYS29
BHIS30
BHIS37
BALA65
BCYS66
BCYS69
BHIS70
BCYS227
BHIS231
BALA236
BHOH854
BHEC1002
BHEC1005
BHOH1015

site_idDC8
Number of Residues26
DetailsBINDING SITE FOR RESIDUE HEC B 1001
ChainResidue
BGLN13
BCYS14
BCYS17
BHIS18
BHIS39
BHIS44
BVAL45
BALA48
BSER49
BARG51
BARG51
BARG52
BMET53
BARG56
BPRO57
BTHR59
BLEU194
BGLN275
BARG276
BHOH652
BHOH681
BHOH831
BHOH907
BHOH941
BHOH997
BHEC1002

site_idDC9
Number of Residues10
DetailsBINDING SITE FOR RESIDUE SO3 B 526
ChainResidue
BPHE109
BARG131
BTYR303
BGLN360
BHIS361
BHOH716
BHOH951
BHOH955
BHOH958
BHEC1004

site_idEC1
Number of Residues6
DetailsBINDING SITE FOR RESIDUE CA B 527
ChainResidue
BGLU302
BTYR303
BLYS358
BGLN360
BHOH795
BHOH796

site_idEC2
Number of Residues5
DetailsBINDING SITE FOR RESIDUE CA B 528
ChainResidue
BPRO116
BHOH600
BHOH606
BHOH899
BHEC1006

site_idEC3
Number of Residues3
DetailsBINDING SITE FOR RESIDUE NA B 529
ChainResidue
BTHR94
BPG6531
BHOH952

site_idEC4
Number of Residues6
DetailsBINDING SITE FOR RESIDUE NA B 530
ChainResidue
BHOH895
BHOH895
BHOH895
BHOH922
BHOH922
BHOH922

site_idEC5
Number of Residues11
DetailsBINDING SITE FOR RESIDUE PG6 B 531
ChainResidue
BTHR94
BTHR94
BGLU115
BASP428
BLYS431
BASN432
BNA529
BPG4532
BHOH896
BHOH947
BHOH952

site_idEC6
Number of Residues5
DetailsBINDING SITE FOR RESIDUE PG4 B 532
ChainResidue
BARG404
BASP428
BPG6531
BHOH704
BHOH909

site_idEC7
Number of Residues6
DetailsBINDING SITE FOR RESIDUE SO3 B 533
ChainResidue
BSER50
BSER50
BSER50
BHOH1012
BHOH1012
BHOH1012

site_idEC8
Number of Residues5
DetailsBINDING SITE FOR RESIDUE PG6 B 534
ChainResidue
APRO8
BMET12
BALA31
BASN34
BHOH898

site_idEC9
Number of Residues4
DetailsBINDING SITE FOR RESIDUE NA B 535
ChainResidue
BHOH620
BHOH705
BHOH859
BHOH899

site_idFC1
Number of Residues9
DetailsBINDING SITE FOR RESIDUE SO3 B 536
ChainResidue
BHOH609
BHOH609
BHOH609
BHOH922
BHOH922
BHOH922
BHOH1000
BHOH1000
BHOH1000

site_idFC2
Number of Residues3
DetailsBINDING SITE FOR RESIDUE PG4 B 537
ChainResidue
BARG171
BPHE172
BSER174

site_idFC3
Number of Residues5
DetailsBINDING SITE FOR RESIDUE PG6 B 538
ChainResidue
BGLN138
BPHE139
BTRP142
BASP494
BHOH1018

site_idFC4
Number of Residues3
DetailsBINDING SITE FOR RESIDUE PG6 B 539
ChainResidue
BARG60
BGLU64
BTHR68

site_idFC5
Number of Residues1
DetailsBINDING SITE FOR RESIDUE PG4 B 540
ChainResidue
BASN375

site_idFC6
Number of Residues5
DetailsBINDING SITE FOR RESIDUE PG6 B 541
ChainResidue
BASN141
BGLN143
BLYS144
BASP147
BTHR157

site_idFC7
Number of Residues5
DetailsBINDING SITE FOR RESIDUE PG6 B 542
ChainResidue
BLEU311
BGLY314
BARG348
BALA355
BHOH810

site_idFC8
Number of Residues3
DetailsBINDING SITE FOR RESIDUE PG4 B 543
ChainResidue
BGLY308
BTYR309
BARG316

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues32
DetailsBinding site: {"description":"covalent","evidences":[{"source":"PubMed","id":"19393666","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"20944237","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"22281743","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"4L38","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"4L3X","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"4L3Y","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues28
DetailsBinding site: {"description":"axial binding residue","evidences":[{"source":"PubMed","id":"19393666","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"20944237","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"22281743","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"4L38","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"4L3X","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"4L3Y","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues2
DetailsBinding site: {"description":"axial binding residue","evidences":[{"source":"PubMed","id":"19393666","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"20944237","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"22281743","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues8
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"19393666","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"20944237","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"22281743","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"4L38","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"4L3X","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"4L3Y","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues4
DetailsCross-link: {"description":"3'-(S-cysteinyl)-tyrosine (Tyr-Cys)","evidences":[{"source":"PubMed","id":"19393666","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"22281743","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

250835

PDB entries from 2026-03-18

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