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4FAS

Complex crystal structure of hydroxylamine oxidoreductase and NE1300 from Nitrosomonas europaea

Functional Information from GO Data
ChainGOidnamespacecontents
A0016491molecular_functionoxidoreductase activity
A0019331biological_processanaerobic respiration, using ammonium as electron donor
A0020037molecular_functionheme binding
A0033740molecular_functionhydroxylamine oxidoreductase activity
A0042802molecular_functionidentical protein binding
A0044222cellular_componentanammoxosome
A0046872molecular_functionmetal ion binding
A0047991molecular_functionhydroxylamine oxidase activity
A0070207biological_processprotein homotrimerization
A0140305molecular_functionhydroxylamine dehydrogenase activity
B0016491molecular_functionoxidoreductase activity
B0019331biological_processanaerobic respiration, using ammonium as electron donor
B0020037molecular_functionheme binding
B0033740molecular_functionhydroxylamine oxidoreductase activity
B0042802molecular_functionidentical protein binding
B0044222cellular_componentanammoxosome
B0046872molecular_functionmetal ion binding
B0047991molecular_functionhydroxylamine oxidase activity
B0070207biological_processprotein homotrimerization
B0140305molecular_functionhydroxylamine dehydrogenase activity
C0016491molecular_functionoxidoreductase activity
C0019331biological_processanaerobic respiration, using ammonium as electron donor
C0020037molecular_functionheme binding
C0033740molecular_functionhydroxylamine oxidoreductase activity
C0042802molecular_functionidentical protein binding
C0044222cellular_componentanammoxosome
C0046872molecular_functionmetal ion binding
C0047991molecular_functionhydroxylamine oxidase activity
C0070207biological_processprotein homotrimerization
C0140305molecular_functionhydroxylamine dehydrogenase activity
Functional Information from PDB Data
site_idAC1
Number of Residues19
DetailsBINDING SITE FOR RESIDUE HEC A 601
ChainResidue
ATYR57
AHIS149
AHIS160
AILE164
AMET166
AHEC602
AHOH798
AHOH929
CSER365
CGLU366
CARG367
ATYR64
AALA74
AASP78
ACYS79
ACYS82
AHIS83
AGLU86
ACYS145

site_idAC2
Number of Residues22
DetailsBINDING SITE FOR RESIDUE HEC A 602
ChainResidue
ATYR57
APRO60
AHIS83
ATRP90
AHIS99
AVAL143
AGLY144
ACYS145
ACYS148
AHIS149
AMET166
APRO167
ALYS238
AASP240
AARG245
AHIS246
APHE248
AHEC601
AHEC603
CHIS364
CSER365
CHOH783

site_idAC3
Number of Residues16
DetailsBINDING SITE FOR RESIDUE HEC A 603
ChainResidue
ATHR98
AHIS99
ALYS117
ALYS120
AVAL143
AVAL152
ACYS172
ACYS175
AHIS176
ACYS239
APHE248
ASER249
AALA250
AHEC602
AHEC604
AHOH914

site_idAC4
Number of Residues21
DetailsBINDING SITE FOR RESIDUE HEC A 604
ChainResidue
ATYR116
ALYS117
ACYS172
AHIS176
AGLU179
AHIS204
AASN235
ACYS239
ACYS242
AHIS243
ASER253
AARG254
AARG295
ALEU296
AMET315
AHIS323
AHEC603
AHEC605
AHOH741
AHOH847
AHOH867

site_idAC5
Number of Residues22
DetailsBINDING SITE FOR RESIDUE HEC A 605
ChainResidue
CISW601
APRO202
ASER203
AHIS204
AASP207
AALA210
ACYS232
AHIS233
AASN235
AASN241
ACYS242
ACYS259
ACYS262
AHIS263
ACYS310
AHIS314
AILE325
ATHR329
AALA332
AHEC604
AHEC606
AHOH841

site_idAC6
Number of Residues21
DetailsBINDING SITE FOR RESIDUE HEC A 606
ChainResidue
AHIS263
AASN270
ATYR274
AHIS279
ATHR309
ACYS310
ACYS313
AHIS314
ATHR329
AARG330
ATRP331
AALA332
ATRP356
AMET376
AALA458
AHIS459
AHEC605
AHOH724
AHOH797
AHOH851
CISW601

site_idAC7
Number of Residues21
DetailsBINDING SITE FOR RESIDUE HEC A 607
ChainResidue
AHIS279
ALEU282
APHE300
AASN306
AALA307
APRO308
ATHR359
ACYS360
ACYS363
AHIS364
APHE368
ATYR372
AVAL460
AHOH801
AHOH819
BTRP90
BLYS238
BASP240
BTHR244
BARG245
BHOH734

site_idAC8
Number of Residues25
DetailsBINDING SITE FOR RESIDUE ISW A 608
ChainResidue
AGLY463
ATHR466
ATYR467
AHOH717
BTRP197
BARG201
BALA210
BASN211
BTHR214
BTRP217
BGLY228
BCYS229
BCYS232
BHIS233
BCYS262
BHIS263
BHIS268
BASN333
BTYR334
BPHE428
BHEC605
BHEC606
BEDO621
BHOH765
BHOH782

site_idAC9
Number of Residues2
DetailsBINDING SITE FOR RESIDUE PEG A 609
ChainResidue
APHE63
AHOH932

site_idBC1
Number of Residues3
DetailsBINDING SITE FOR RESIDUE PEG A 610
ChainResidue
AHIS38
AGLY39
AHOH758

site_idBC2
Number of Residues4
DetailsBINDING SITE FOR RESIDUE PEG A 611
ChainResidue
AASN449
AGLU469
APRO473
AARG476

site_idBC3
Number of Residues5
DetailsBINDING SITE FOR RESIDUE PEG A 612
ChainResidue
ASER110
AASP112
APRO113
ALYS302
AEDO617

site_idBC4
Number of Residues5
DetailsBINDING SITE FOR RESIDUE PEG A 613
ChainResidue
ATYR398
AGLU399
AGLN406
ALYS407
AHOH935

site_idBC5
Number of Residues1
DetailsBINDING SITE FOR RESIDUE PEG A 614
ChainResidue
CISW601

site_idBC6
Number of Residues3
DetailsBINDING SITE FOR RESIDUE PGE A 615
ChainResidue
AARG96
AASN101
ALYS104

site_idBC7
Number of Residues3
DetailsBINDING SITE FOR RESIDUE EDO A 616
ChainResidue
AASP16
AALA20
AGLU24

site_idBC8
Number of Residues3
DetailsBINDING SITE FOR RESIDUE EDO A 617
ChainResidue
ALYS302
APEG612
CGLY132

site_idBC9
Number of Residues1
DetailsBINDING SITE FOR RESIDUE EDO A 618
ChainResidue
BALA53

site_idCC1
Number of Residues3
DetailsBINDING SITE FOR RESIDUE EDO A 619
ChainResidue
ATHR215
APRO416
ALYS418

site_idCC2
Number of Residues16
DetailsBINDING SITE FOR RESIDUE HEC B 601
ChainResidue
ASER365
AGLU366
AARG367
BTYR57
BTYR64
BPRO70
BASP78
BCYS79
BCYS82
BHIS83
BGLU86
BHIS149
BHIS160
BILE164
BHEC602
BHOH710

site_idCC3
Number of Residues22
DetailsBINDING SITE FOR RESIDUE HEC B 602
ChainResidue
AHIS364
ASER365
AHOH801
BTYR57
BPRO60
BHIS83
BTRP90
BHIS99
BVAL143
BGLY144
BCYS145
BCYS148
BHIS149
BMET166
BPRO167
BLYS238
BASP240
BARG245
BHIS246
BPHE248
BHEC601
BHEC603

site_idCC4
Number of Residues15
DetailsBINDING SITE FOR RESIDUE HEC B 603
ChainResidue
BTHR98
BHIS99
BLYS117
BLYS120
BLEU121
BVAL143
BCYS172
BCYS175
BHIS176
BCYS239
BPHE248
BALA250
BHEC602
BHEC604
BHOH774

site_idCC5
Number of Residues21
DetailsBINDING SITE FOR RESIDUE HEC B 604
ChainResidue
BTYR116
BLYS117
BCYS172
BHIS176
BGLU179
BHIS204
BASN235
BCYS239
BCYS242
BHIS243
BSER253
BARG254
BARG295
BLEU296
BMET315
BHIS323
BHEC603
BHEC605
BHOH745
BHOH808
BHOH886

site_idCC6
Number of Residues23
DetailsBINDING SITE FOR RESIDUE HEC B 605
ChainResidue
AISW608
BARG201
BPRO202
BSER203
BHIS204
BASP207
BALA210
BCYS232
BHIS233
BASN235
BASN241
BCYS242
BALA258
BCYS259
BCYS262
BHIS263
BHIS314
BILE325
BTHR329
BALA332
BHEC604
BHEC606
BHOH720

site_idCC7
Number of Residues21
DetailsBINDING SITE FOR RESIDUE HEC B 606
ChainResidue
AISW608
BHIS263
BASN270
BTYR274
BHIS279
BPRO308
BTHR309
BCYS310
BCYS313
BHIS314
BTHR329
BARG330
BTRP331
BALA332
BTRP356
BMET376
BHIS459
BHEC605
BHEC607
BHOH761
BHOH881

site_idCC8
Number of Residues19
DetailsBINDING SITE FOR RESIDUE HEC B 607
ChainResidue
BLYS278
BHIS279
BLEU282
BPHE300
BTHR359
BCYS360
BCYS363
BHIS364
BPHE368
BTYR372
BVAL460
BHEC606
BHOH719
BHOH827
CLYS238
CASP240
CTHR244
CARG245
CHOH710

site_idCC9
Number of Residues24
DetailsBINDING SITE FOR RESIDUE ISW B 608
ChainResidue
BGLY463
BTHR466
BTYR467
BHOH755
CTRP197
CARG201
CALA210
CASN211
CTHR214
CTRP217
CGLY228
CCYS229
CCYS232
CHIS233
CCYS262
CHIS263
CHIS268
CASN333
CPHE428
CHEC606
CHEC607
CPEG610
CHOH711
CHOH743

site_idDC1
Number of Residues3
DetailsBINDING SITE FOR RESIDUE PEG B 609
ChainResidue
BTHR98
BASN101
BLYS104

site_idDC2
Number of Residues4
DetailsBINDING SITE FOR RESIDUE PEG B 610
ChainResidue
BSER3
BVAL5
BPG4614
BHOH905

site_idDC3
Number of Residues3
DetailsBINDING SITE FOR RESIDUE PEG B 611
ChainResidue
BPRO51
BILE52
BPHE63

site_idDC4
Number of Residues5
DetailsBINDING SITE FOR RESIDUE PEG B 612
ChainResidue
BPHE336
BTYR387
BASN391
BGLY422
BHOH837

site_idDC5
Number of Residues8
DetailsBINDING SITE FOR RESIDUE P6G B 613
ChainResidue
AVAL73
AGLU75
AGLU81
BTYR116
BGLY119
BGLU123
BHOH760
BHOH877

site_idDC6
Number of Residues5
DetailsBINDING SITE FOR RESIDUE PG4 B 614
ChainResidue
ATRP94
ALYS95
BASP1
BARG17
BPEG610

site_idDC7
Number of Residues1
DetailsBINDING SITE FOR RESIDUE EDO B 615
ChainResidue
BSER371

site_idDC8
Number of Residues1
DetailsBINDING SITE FOR RESIDUE EDO B 616
ChainResidue
BGLU366

site_idDC9
Number of Residues2
DetailsBINDING SITE FOR RESIDUE NO3 B 617
ChainResidue
BASP16
BGLU24

site_idEC1
Number of Residues2
DetailsBINDING SITE FOR RESIDUE NO3 B 618
ChainResidue
BSER130
BGLY132

site_idEC2
Number of Residues2
DetailsBINDING SITE FOR RESIDUE EDO B 620
ChainResidue
BGLU399
BLYS407

site_idEC3
Number of Residues3
DetailsBINDING SITE FOR RESIDUE EDO B 621
ChainResidue
AISW608
BPHE424
BGLU447

site_idEC4
Number of Residues24
DetailsBINDING SITE FOR RESIDUE ISW C 601
ChainResidue
ATRP197
AARG201
AALA210
ATHR214
ATRP217
AGLY228
ACYS229
ACYS232
AHIS233
ATHR261
ACYS262
AHIS263
AHIS268
AASN333
APHE428
AHEC605
AHEC606
APEG614
AHOH721
AHOH746
CGLY463
CTHR466
CTYR467
CHOH709

site_idEC5
Number of Residues18
DetailsBINDING SITE FOR RESIDUE HEC C 602
ChainResidue
AGLU136
BSER365
BGLU366
BARG367
CTYR57
CTYR64
CSER69
CGLU72
CASP78
CCYS79
CCYS82
CHIS83
CGLU86
CHIS149
CHIS160
CHEC603
CHOH756
CHOH911

site_idEC6
Number of Residues20
DetailsBINDING SITE FOR RESIDUE HEC C 603
ChainResidue
BHIS364
BSER365
CTYR57
CPRO60
CHIS83
CTRP90
CHIS99
CVAL143
CGLY144
CCYS145
CCYS148
CHIS149
CMET166
CPRO167
CASP240
CARG245
CHIS246
CPHE248
CHEC602
CHEC604

site_idEC7
Number of Residues17
DetailsBINDING SITE FOR RESIDUE HEC C 604
ChainResidue
CTHR98
CHIS99
CLYS117
CLYS120
CLEU121
CVAL143
CVAL152
CCYS172
CCYS175
CHIS176
CCYS239
CPHE248
CSER249
CALA250
CHEC603
CHEC605
CHOH770

site_idEC8
Number of Residues22
DetailsBINDING SITE FOR RESIDUE HEC C 605
ChainResidue
CTYR116
CLYS117
CLYS120
CCYS172
CHIS176
CGLU179
CHIS204
CASN235
CCYS239
CCYS242
CHIS243
CSER253
CARG254
CARG295
CLEU296
CMET315
CHIS323
CHEC604
CHEC606
CHOH781
CHOH897
CHOH916

site_idEC9
Number of Residues21
DetailsBINDING SITE FOR RESIDUE HEC C 606
ChainResidue
BISW608
CPRO202
CSER203
CHIS204
CASP207
CALA210
CCYS232
CHIS233
CASN235
CASN241
CALA258
CCYS259
CCYS262
CHIS263
CHIS314
CILE325
CTHR329
CALA332
CHEC605
CHEC607
CHOH918

site_idFC1
Number of Residues22
DetailsBINDING SITE FOR RESIDUE HEC C 607
ChainResidue
BISW608
CHIS263
CASN270
CTYR274
CHIS279
CPRO308
CTHR309
CCYS310
CCYS313
CHIS314
CTHR329
CARG330
CTRP331
CALA332
CTRP356
CMET376
CALA458
CHIS459
CHEC606
CHEC608
CHOH730
CHOH776

site_idFC2
Number of Residues19
DetailsBINDING SITE FOR RESIDUE HEC C 608
ChainResidue
ATRP90
ALYS238
AASP240
ATHR244
AARG245
CLYS278
CHIS279
CLEU282
CPHE300
CPRO308
CCYS360
CCYS363
CHIS364
CPHE368
CTYR372
CVAL460
CHEC607
CHOH763
CHOH783

site_idFC3
Number of Residues3
DetailsBINDING SITE FOR RESIDUE PEG C 609
ChainResidue
CGLY119
CGLU122
CASN126

site_idFC4
Number of Residues3
DetailsBINDING SITE FOR RESIDUE PEG C 610
ChainResidue
BISW608
CPHE424
CGLU447

site_idFC5
Number of Residues5
DetailsBINDING SITE FOR RESIDUE PEG C 611
ChainResidue
AARG295
ALYS297
AGLU320
CGLY132
CGLU138

site_idFC6
Number of Residues2
DetailsBINDING SITE FOR RESIDUE PEG C 612
ChainResidue
CARG76
CLYS141

site_idFC7
Number of Residues4
DetailsBINDING SITE FOR RESIDUE PEG C 613
ChainResidue
CASP354
CLEU358
CTHR361
CGLU366

site_idFC8
Number of Residues5
DetailsBINDING SITE FOR RESIDUE PGE C 614
ChainResidue
CARG96
CTHR98
CASN101
CLYS104
CHOH928

site_idFC9
Number of Residues1
DetailsBINDING SITE FOR RESIDUE EDO C 615
ChainResidue
CALA100

site_idGC1
Number of Residues1
DetailsBINDING SITE FOR RESIDUE EDO C 616
ChainResidue
CARG370

site_idGC2
Number of Residues2
DetailsBINDING SITE FOR RESIDUE EDO C 617
ChainResidue
BLYS95
CLYS19

site_idGC3
Number of Residues3
DetailsBINDING SITE FOR RESIDUE EDO C 618
ChainResidue
CTYR398
CGLN406
CLYS407

site_idGC4
Number of Residues2
DetailsBINDING SITE FOR RESIDUE NO3 C 619
ChainResidue
CLYS289
CTRP290

site_idGC5
Number of Residues1
DetailsBINDING SITE FOR RESIDUE EDO C 620
ChainResidue
CPRO51

site_idGC6
Number of Residues1
DetailsBINDING SITE FOR RESIDUE EDO C 621
ChainResidue
CALA37

site_idGC7
Number of Residues4
DetailsBINDING SITE FOR RESIDUE PEG C 622
ChainResidue
CSER110
CASP112
CPRO113
CLYS302

site_idGC8
Number of Residues1
DetailsBINDING SITE FOR RESIDUE NO3 F 101
ChainResidue
FLYS25

site_idGC9
Number of Residues3
DetailsBINDING SITE FOR RESIDUE PEG F 102
ChainResidue
AGLU50
FVAL30
FARG44

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues48
DetailsBinding site: {"description":"covalent","evidences":[{"source":"PubMed","id":"24302732","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"9095195","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"1FGJ","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"4N4N","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"4N4O","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues45
DetailsBinding site: {"description":"axial binding residue","evidences":[{"source":"PubMed","id":"24302732","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"9095195","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"1FGJ","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"4N4N","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"4N4O","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues3
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"24302732","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"4N4O","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues3
DetailsBinding site: {"description":"covalent; ligand shared between tetrameric partners","evidences":[{"source":"PubMed","id":"24302732","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

Catalytic Information from CSA
site_idMCSA1
Number of Residues5
DetailsM-CSA 581
ChainResidueDetails
AHIS233electrostatic stabiliser
AASP267steric role
AHIS268steric role
ATYR334steric role
ATYR467activator, covalently attached

site_idMCSA2
Number of Residues5
DetailsM-CSA 581
ChainResidueDetails
BHIS233electrostatic stabiliser
BASP267steric role
BHIS268steric role
BTYR334steric role
BTYR467activator, covalently attached

site_idMCSA3
Number of Residues5
DetailsM-CSA 581
ChainResidueDetails
CHIS233electrostatic stabiliser
CASP267steric role
CHIS268steric role
CTYR334steric role
CTYR467activator, covalently attached

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PDB entries from 2025-12-17

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