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3L1T

E. coli NrfA sulfite ocmplex

Functional Information from GO Data
ChainGOidnamespacecontents
A0005506molecular_functioniron ion binding
A0005509molecular_functioncalcium ion binding
A0009061biological_processanaerobic respiration
A0016491molecular_functionoxidoreductase activity
A0016966molecular_functionnitric oxide reductase activity
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
B0005506molecular_functioniron ion binding
B0005509molecular_functioncalcium ion binding
B0009061biological_processanaerobic respiration
B0016491molecular_functionoxidoreductase activity
B0016966molecular_functionnitric oxide reductase activity
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
C0005506molecular_functioniron ion binding
C0005509molecular_functioncalcium ion binding
C0009061biological_processanaerobic respiration
C0016491molecular_functionoxidoreductase activity
C0016966molecular_functionnitric oxide reductase activity
C0019645biological_processanaerobic electron transport chain
C0020037molecular_functionheme binding
C0030288cellular_componentouter membrane-bounded periplasmic space
C0042128biological_processnitrate assimilation
C0042279molecular_functionnitrite reductase (cytochrome, ammonia-forming) activity
C0042597cellular_componentperiplasmic space
C0046872molecular_functionmetal ion binding
D0005506molecular_functioniron ion binding
D0005509molecular_functioncalcium ion binding
D0009061biological_processanaerobic respiration
D0016491molecular_functionoxidoreductase activity
D0016966molecular_functionnitric oxide reductase activity
D0019645biological_processanaerobic electron transport chain
D0020037molecular_functionheme binding
D0030288cellular_componentouter membrane-bounded periplasmic space
D0042128biological_processnitrate assimilation
D0042279molecular_functionnitrite reductase (cytochrome, ammonia-forming) activity
D0042597cellular_componentperiplasmic space
D0046872molecular_functionmetal ion binding
Functional Information from PDB Data
site_idAC1
Number of Residues6
DetailsBINDING SITE FOR RESIDUE CA A 1
ChainResidue
AGLU215
ATYR216
ALYS261
AGLN263
AHOH497
AHOH546

site_idAC2
Number of Residues4
DetailsBINDING SITE FOR RESIDUE CA A 2
ChainResidue
AHOH629
AHEC3
AHEC4
APRO91

site_idAC3
Number of Residues23
DetailsBINDING SITE FOR RESIDUE HEC A 479
ChainResidue
AHEC3
AHOH21
ATYR88
AASN89
AASP100
ATHR104
AARG106
ACYS122
ACYS125
ALYS126
ACYS212
AHIS213
ATYR216
AHIS264
AHIS388
ASO3481
AHOH484
AHOH492
AHOH531
AHOH712
AHOH713
AHOH724
AHOH807

site_idAC4
Number of Residues19
DetailsBINDING SITE FOR RESIDUE HEC A 480
ChainResidue
AHEC3
AHIS49
AGLN52
ATYR53
ATRP56
AGLY159
ACYS160
ACYS163
AHIS164
AGLY174
ALEU178
AARG201
AGLN205
AILE283
ALYS289
ATYR298
ATHR299
AHIS301
AHOH540

site_idAC5
Number of Residues26
DetailsBINDING SITE FOR RESIDUE HEC A 3
ChainResidue
ACA2
AHEC4
AGLN62
APRO91
AARG92
AGLY93
AHIS94
APHE96
AALA97
AASP100
ACYS125
ALYS126
ALEU158
AVAL208
ACYS209
ACYS212
AHIS213
AILE283
AHIS286
AMET287
AILE303
AHEC479
AHEC480
AHOH512
AHOH629
AHOH669

site_idAC6
Number of Residues18
DetailsBINDING SITE FOR RESIDUE HEC A 4
ChainResidue
ACA2
AHEC3
AHIS213
AGLU266
ATRP270
AHIS275
AVAL280
ATHR281
ACYS282
ACYS285
AHIS286
AASN305
AHIS388
AHIS391
AMET392
AHIS393
AHOH669
AHOH677

site_idAC7
Number of Residues16
DetailsBINDING SITE FOR RESIDUE HEC A 5
ChainResidue
AVAL280
AASP284
ACYS314
ACYS317
AHIS318
AARG332
AMET392
AHOH803
BHEC5
BILE274
BHIS318
BGLN320
BHOH952
AEDO8
AILE274
AHIS275

site_idAC8
Number of Residues7
DetailsBINDING SITE FOR RESIDUE SO3 A 481
ChainResidue
APHE84
AARG106
ATYR216
AGLN263
AHIS264
AHEC479
AHOH807

site_idAC9
Number of Residues5
DetailsBINDING SITE FOR RESIDUE EDO A 6
ChainResidue
APHE307
AASP308
APHE310
AALA311
ALYS322

site_idBC1
Number of Residues7
DetailsBINDING SITE FOR RESIDUE EDO A 8
ChainResidue
AHEC5
AARG332
AGLU396
AHOH552
BHEC5
BARG332
BGLU396

site_idBC2
Number of Residues6
DetailsBINDING SITE FOR RESIDUE CA B 1
ChainResidue
BGLU215
BTYR216
BLYS261
BGLN263
BHOH567
BHOH623

site_idBC3
Number of Residues4
DetailsBINDING SITE FOR RESIDUE CA B 2
ChainResidue
BHEC3
BHEC4
BPRO91
BHOH536

site_idBC4
Number of Residues24
DetailsBINDING SITE FOR RESIDUE HEC B 479
ChainResidue
BHEC3
BHOH7
BHOH16
BTYR88
BASN89
BPRO91
BASP100
BTHR104
BARG106
BLEU118
BCYS122
BCYS125
BLYS126
BCYS212
BHIS213
BTYR216
BHIS264
BHIS388
BSO3482
BHOH495
BHOH505
BHOH517
BHOH564
BHOH806

site_idBC5
Number of Residues19
DetailsBINDING SITE FOR RESIDUE HEC B 480
ChainResidue
BHIS49
BGLN52
BTYR53
BTRP56
BGLY159
BCYS160
BCYS163
BHIS164
BPHE171
BGLY174
BARG201
BGLN205
BILE283
BLYS289
BTYR298
BTHR299
BHIS301
BHOH511
BHOH518

site_idBC6
Number of Residues24
DetailsBINDING SITE FOR RESIDUE HEC B 3
ChainResidue
BCA2
BHEC4
BHOH25
BGLN62
BPRO91
BARG92
BGLY93
BHIS94
BPHE96
BALA97
BASP100
BCYS125
BLEU158
BVAL208
BCYS209
BCYS212
BHIS213
BHIS286
BMET287
BILE303
BGLY304
BHEC479
BHOH536
BHOH932

site_idBC7
Number of Residues20
DetailsBINDING SITE FOR RESIDUE HEC B 4
ChainResidue
BCA2
BHEC3
BHEC5
BHIS213
BGLU266
BTRP270
BHIS275
BVAL280
BTHR281
BCYS282
BCYS285
BHIS286
BASN305
BPRO306
BHIS388
BHIS391
BMET392
BHIS393
BHOH549
BHOH932

site_idBC8
Number of Residues17
DetailsBINDING SITE FOR RESIDUE HEC B 5
ChainResidue
AHEC5
AEDO8
AILE274
AHIS318
AGLN320
BHEC4
BHIS275
BPHE307
BTHR313
BCYS314
BCYS317
BHIS318
BARG332
BMET392
BHOH535
BHOH627
BHOH952

site_idBC9
Number of Residues6
DetailsBINDING SITE FOR RESIDUE SO3 B 481
ChainResidue
BPHE307
BASP308
BASN309
BPHE310
BALA311
BLYS322

site_idCC1
Number of Residues6
DetailsBINDING SITE FOR RESIDUE SO3 B 482
ChainResidue
BARG106
BTYR216
BGLN263
BHIS264
BHEC479
BHOH806

site_idCC2
Number of Residues5
DetailsBINDING SITE FOR RESIDUE EDO B 483
ChainResidue
BASP51
BGLN52
BLYS296
BHOH565
BHOH706

site_idCC3
Number of Residues5
DetailsBINDING SITE FOR RESIDUE EDO B 12
ChainResidue
AARG413
BASP411
BTHR414
BLYS415
BARG418

site_idCC4
Number of Residues6
DetailsBINDING SITE FOR RESIDUE CA C 1
ChainResidue
CGLU215
CTYR216
CLYS261
CGLN263
CHOH525
CHOH544

site_idCC5
Number of Residues3
DetailsBINDING SITE FOR RESIDUE CA C 2
ChainResidue
CHEC3
CHEC4
CPRO91

site_idCC6
Number of Residues23
DetailsBINDING SITE FOR RESIDUE HEC C 479
ChainResidue
CHEC3
CTYR88
CASN89
CASP100
CTHR104
CARG106
CLEU118
CCYS122
CCYS125
CLYS126
CCYS212
CHIS213
CTYR216
CHIS264
CHIS388
CSO3481
CHOH485
CHOH491
CHOH501
CHOH519
CHOH562
CHOH608
CHOH617

site_idCC7
Number of Residues19
DetailsBINDING SITE FOR RESIDUE HEC C 480
ChainResidue
CHEC3
CHIS49
CGLN52
CTRP56
CGLY159
CCYS160
CCYS163
CHIS164
CGLY174
CARG201
CGLN205
CILE283
CMET287
CLYS289
CTYR298
CTHR299
CHIS301
CHOH486
CHOH606

site_idCC8
Number of Residues23
DetailsBINDING SITE FOR RESIDUE HEC C 3
ChainResidue
CCA2
CHEC4
CGLN62
CPRO91
CARG92
CGLY93
CHIS94
CPHE96
CALA97
CASP100
CCYS125
CLYS126
CLEU158
CVAL208
CCYS209
CCYS212
CHIS213
CHIS286
CMET287
CILE303
CHEC479
CHEC480
CHOH488

site_idCC9
Number of Residues22
DetailsBINDING SITE FOR RESIDUE HEC C 4
ChainResidue
CCA2
CHEC3
CHEC5
CPRO91
CHIS213
CGLU266
CTRP270
CHIS275
CVAL280
CTHR281
CCYS282
CCYS285
CHIS286
CASN305
CPRO306
CVAL329
CHIS388
CHIS391
CMET392
CHIS393
CHOH621
CHOH631

site_idDC1
Number of Residues15
DetailsBINDING SITE FOR RESIDUE HEC C 5
ChainResidue
CHEC4
CEDO7
CILE274
CHIS275
CVAL280
CPHE307
CTHR313
CCYS314
CCYS317
CHIS318
CARG332
DHEC5
DILE274
DHIS318
DGLN320

site_idDC2
Number of Residues7
DetailsBINDING SITE FOR RESIDUE SO3 C 481
ChainResidue
CARG106
CTYR216
CGLN263
CHIS264
CHEC479
CHOH608
CHOH673

site_idDC3
Number of Residues6
DetailsBINDING SITE FOR RESIDUE EDO C 482
ChainResidue
CPHE307
CASP308
CASN309
CPHE310
CALA311
CLYS322

site_idDC4
Number of Residues7
DetailsBINDING SITE FOR RESIDUE EDO C 483
ChainResidue
CTYR82
CTYR216
CPHE218
CGLN263
CHOH511
CHOH544
CHOH561

site_idDC5
Number of Residues5
DetailsBINDING SITE FOR RESIDUE EDO C 484
ChainResidue
CGLN320
CLEU325
CVAL328
DILE274
DASN278

site_idDC6
Number of Residues7
DetailsBINDING SITE FOR RESIDUE EDO C 7
ChainResidue
CHEC5
CARG332
CPRO395
CGLU396
DHEC5
DARG332
DGLU396

site_idDC7
Number of Residues3
DetailsBINDING SITE FOR RESIDUE EDO C 9
ChainResidue
CASP345
CHIS349
CHOH788

site_idDC8
Number of Residues6
DetailsBINDING SITE FOR RESIDUE EDO C 10
ChainResidue
CMET233
CLYS234
CVAL235
CGLU397
CMET401
CHOH585

site_idDC9
Number of Residues6
DetailsBINDING SITE FOR RESIDUE CA D 1
ChainResidue
DGLU215
DTYR216
DLYS261
DGLN263
DHOH959
DHOH973

site_idEC1
Number of Residues4
DetailsBINDING SITE FOR RESIDUE CA D 2
ChainResidue
DHEC3
DHEC4
DPRO91
DHOH512

site_idEC2
Number of Residues20
DetailsBINDING SITE FOR RESIDUE HEC D 479
ChainResidue
DHEC3
DTYR88
DASN89
DASP100
DTHR104
DARG106
DCYS122
DCYS125
DLYS126
DCYS212
DHIS213
DTYR216
DHIS264
DHIS388
DSO3481
DHOH507
DHOH508
DHOH525
DHOH606
DHOH754

site_idEC3
Number of Residues17
DetailsBINDING SITE FOR RESIDUE HEC D 480
ChainResidue
DHIS49
DGLN52
DTRP56
DGLY159
DCYS160
DCYS163
DHIS164
DGLY174
DPRO176
DLEU178
DARG201
DGLN205
DILE283
DMET287
DLYS289
DTHR299
DHIS301

site_idEC4
Number of Residues24
DetailsBINDING SITE FOR RESIDUE HEC D 3
ChainResidue
DCA2
DHEC4
DGLN62
DPRO91
DARG92
DGLY93
DHIS94
DPHE96
DALA97
DASP100
DCYS125
DLYS126
DLEU158
DVAL208
DCYS209
DCYS212
DHIS213
DILE283
DHIS286
DMET287
DILE303
DHEC479
DHOH512
DHOH611

site_idEC5
Number of Residues21
DetailsBINDING SITE FOR RESIDUE HEC D 4
ChainResidue
DCA2
DHEC3
DHEC5
DHIS213
DGLU266
DTRP270
DHIS275
DVAL280
DTHR281
DCYS282
DCYS285
DHIS286
DASN305
DPRO306
DVAL329
DHIS388
DHIS391
DMET392
DHIS393
DHOH492
DHOH796

site_idEC6
Number of Residues17
DetailsBINDING SITE FOR RESIDUE HEC D 5
ChainResidue
CHEC5
CEDO7
CHIS318
CGLN320
DHEC4
DHIS275
DASN278
DVAL280
DASP284
DPHE307
DTHR313
DCYS314
DCYS317
DHIS318
DARG332
DMET392
DHOH524

site_idEC7
Number of Residues5
DetailsBINDING SITE FOR RESIDUE SO3 D 481
ChainResidue
DPHE84
DARG106
DTYR216
DHIS264
DHEC479

site_idEC8
Number of Residues4
DetailsBINDING SITE FOR RESIDUE EDO D 482
ChainResidue
DALA324
DLYS327
DVAL328
DHOH953

site_idEC9
Number of Residues5
DetailsBINDING SITE FOR RESIDUE EDO D 11
ChainResidue
DPHE307
DASP308
DPHE310
DALA311
DLYS322

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues36
DetailsBinding site: {"description":"axial binding residue","evidences":[{"source":"PDB","id":"1GU6","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"2RDZ","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"2RF7","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"3L1T","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"3TOR","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues32
DetailsBinding site: {"description":"covalent","evidences":[{"source":"PDB","id":"1GU6","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"2RDZ","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"2RF7","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"3L1T","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"3TOR","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues8
DetailsBinding site: {"evidences":[{"source":"PDB","id":"1GU6","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"2RDZ","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"2RF7","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"3L1T","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"3TOR","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues8
DetailsBinding site: {"evidences":[{"evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues4
DetailsBinding site: {"evidences":[{"source":"PDB","id":"1GU6","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"2RDZ","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"3L1T","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"3TOR","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI6
Number of Residues8
DetailsBinding site: {"description":"covalent","evidences":[{"source":"PDB","id":"1GU6","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"2RDZ","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"2RF7","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

246031

PDB entries from 2025-12-10

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