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4N4O

Nitrosomonas europea HAO soaked in NH2OH

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
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
E0016491molecular_functionoxidoreductase activity
E0019331biological_processanaerobic respiration, using ammonium as electron donor
E0020037molecular_functionheme binding
E0033740molecular_functionhydroxylamine oxidoreductase activity
E0042802molecular_functionidentical protein binding
E0044222cellular_componentanammoxosome
E0046872molecular_functionmetal ion binding
E0047991molecular_functionhydroxylamine oxidase activity
E0070207biological_processprotein homotrimerization
Functional Information from PDB Data
site_idAC1
Number of Residues20
DetailsBINDING SITE FOR RESIDUE HEC A 601
ChainResidue
ATYR140
ASER277
AARG278
AARG319
ALEU320
AALA335
AMET339
AHIS347
AHEC602
AHEC606
AHOH757
ALYS141
AHOH771
AHIS200
AGLU203
AHIS228
AASN259
ACYS263
ACYS266
AHIS267

site_idAC2
Number of Residues17
DetailsBINDING SITE FOR RESIDUE HEC A 602
ChainResidue
ATHR122
AHIS123
ALYS141
ALYS144
ALEU145
ALEU164
AVAL167
ATHR195
ACYS196
ACYS199
AHIS200
ACYS263
APHE272
AALA274
AHEC601
AHEC604
AHOH809

site_idAC3
Number of Residues17
DetailsBINDING SITE FOR RESIDUE HEC A 603
ChainResidue
ATYR81
ATYR88
AASP102
ACYS103
ACYS106
AHIS107
AGLU110
ACYS169
AHIS173
AHIS184
AILE188
AMET190
AHEC604
AHOH819
CSER389
CGLU390
CARG391

site_idAC4
Number of Residues22
DetailsBINDING SITE FOR RESIDUE HEC A 604
ChainResidue
ATYR81
APRO84
AHIS107
ATRP114
ATRP118
AHIS123
AVAL167
AGLY168
ACYS169
ACYS172
AHIS173
AMET190
APRO191
ALYS262
AASP264
AARG269
AHIS270
APHE272
AHEC602
AHEC603
CHIS388
CSER389

site_idAC5
Number of Residues19
DetailsBINDING SITE FOR RESIDUE HEC A 605
ChainResidue
AHIS287
AASN294
ATYR298
APRO332
ATHR333
ACYS334
ACYS337
AHIS338
ATHR353
AARG354
ATRP355
AALA356
ATRP380
AMET400
AHIS483
AHEC606
AHEC607
AHOH710
CHEC601

site_idAC6
Number of Residues23
DetailsBINDING SITE FOR RESIDUE HEC A 606
ChainResidue
AALA234
ACYS256
AHIS257
AASN259
AASN265
ACYS266
AALA282
ACYS283
ACYS286
AHIS287
ACYS334
AHIS338
AILE349
ATHR353
AALA356
AHEC601
AHEC605
AHOH743
CHEC601
APRO226
ASER227
AHIS228
AASP231

site_idAC7
Number of Residues21
DetailsBINDING SITE FOR RESIDUE HEC A 607
ChainResidue
AHIS303
APHE324
AASN330
AALA331
APRO332
ATHR383
ACYS384
ACYS387
AHIS388
APHE392
ATYR396
AVAL484
AHEC605
AHOH720
AHOH865
ETRP114
ELYS262
EASP264
ETHR268
EARG269
EHOH711

site_idAC8
Number of Residues23
DetailsBINDING SITE FOR RESIDUE HEC A 608
ChainResidue
AGLY487
ATHR490
ATYR491
AHOH717
AHOH774
ETRP221
EARG225
EALA234
EASN235
ETHR238
EGLY252
ECYS253
ECYS256
EHIS257
ECYS286
EHIS287
EHIS292
EASN357
EPHE452
EHEC606
EHEC607
EHOA610
EHOH773

site_idAC9
Number of Residues4
DetailsBINDING SITE FOR RESIDUE K A 609
ChainResidue
AASP312
AHOH872
CASP312
EASP312

site_idBC1
Number of Residues4
DetailsBINDING SITE FOR RESIDUE HOA A 610
ChainResidue
AASP291
AHIS292
CTYR491
CHEC601

site_idBC2
Number of Residues4
DetailsBINDING SITE FOR RESIDUE 12P A 611
ChainResidue
APHE360
APHE448
AGLU471
CHEC601

site_idBC3
Number of Residues25
DetailsBINDING SITE FOR RESIDUE HEC C 601
ChainResidue
ATRP221
AARG225
AALA234
AASN235
ATHR238
ATRP241
AGLY252
ACYS253
ACYS256
AHIS257
ATHR285
ACYS286
AHIS287
AHIS292
AASN357
APHE452
AHEC605
AHEC606
AHOA610
A12P611
AHOH702
AHOH765
CTHR490
CTYR491
CHOH823

site_idBC4
Number of Residues20
DetailsBINDING SITE FOR RESIDUE HEC C 602
ChainResidue
CTYR140
CLYS141
CCYS196
CHIS200
CGLU203
CHIS228
CASN259
CCYS263
CCYS266
CHIS267
CSER277
CARG278
CARG319
CLEU320
CALA335
CMET339
CHIS347
CHEC603
CHEC607
CHOH843

site_idBC5
Number of Residues20
DetailsBINDING SITE FOR RESIDUE HEC C 603
ChainResidue
CTHR122
CHIS123
CLYS141
CLYS144
CLEU145
CLEU164
CVAL167
CVAL176
CCYS196
CCYS199
CHIS200
CCYS263
CHIS267
CPHE272
CSER273
CALA274
CHEC602
CHEC605
CHOH783
CHOH802

site_idBC6
Number of Residues18
DetailsBINDING SITE FOR RESIDUE HEC C 604
ChainResidue
ALYS161
CTYR81
CTYR88
CPRO91
CGLU96
CALA98
CCYS103
CCYS106
CHIS107
CGLU110
CHIS173
CHIS184
CILE188
CMET190
CHEC605
ESER389
EGLU390
EARG391

site_idBC7
Number of Residues22
DetailsBINDING SITE FOR RESIDUE HEC C 605
ChainResidue
CTYR81
CPRO84
CHIS107
CTRP114
CTRP118
CVAL167
CGLY168
CCYS169
CCYS172
CHIS173
CMET190
CPRO191
CLYS262
CASP264
CARG269
CHIS270
CPHE272
CHEC603
CHEC604
EHIS388
ESER389
EHOH752

site_idBC8
Number of Residues21
DetailsBINDING SITE FOR RESIDUE HEC C 606
ChainResidue
CHIS287
CASN294
CTYR298
CPRO332
CTHR333
CCYS334
CCYS337
CHIS338
CTHR353
CARG354
CTRP355
CALA356
CTRP380
CMET400
CALA482
CHIS483
CHEC607
CHEC608
CHOH701
CHOH815
EHEC601

site_idBC9
Number of Residues22
DetailsBINDING SITE FOR RESIDUE HEC C 607
ChainResidue
CPRO226
CSER227
CHIS228
CASP231
CALA234
CCYS256
CHIS257
CASN259
CASN265
CCYS266
CALA282
CCYS283
CCYS286
CHIS287
CCYS334
CILE349
CTHR353
CALA356
CHEC602
CHEC606
CHOH826
EHEC601

site_idCC1
Number of Residues22
DetailsBINDING SITE FOR RESIDUE HEC C 608
ChainResidue
ATRP114
ALYS262
AASP264
ATHR268
AARG269
AHOH793
CHIS303
CPHE324
CASN330
CALA331
CPRO332
CTHR383
CCYS384
CCYS387
CHIS388
CPHE392
CTYR396
CVAL484
CHEC606
CHOH754
CHOH767
CHOH794

site_idCC2
Number of Residues4
DetailsBINDING SITE FOR RESIDUE HOA C 609
ChainResidue
CASP291
CHIS292
ETYR491
EHEC601

site_idCC3
Number of Residues8
DetailsBINDING SITE FOR RESIDUE 12P C 610
ChainResidue
CGLN220
CPHE360
CTYR411
CGLY446
CPHE448
CGLU471
CHOH949
EHEC601

site_idCC4
Number of Residues22
DetailsBINDING SITE FOR RESIDUE HEC E 601
ChainResidue
CTRP221
CARG225
CASN235
CTHR238
CGLY252
CCYS253
CCYS256
CHIS257
CTHR285
CCYS286
CHIS287
CHIS292
CASN357
CPHE452
CHEC606
CHEC607
CHOA609
C12P610
CHOH724
ETHR490
ETYR491
EHOH705

site_idCC5
Number of Residues21
DetailsBINDING SITE FOR RESIDUE HEC E 602
ChainResidue
ETYR140
ELYS141
ECYS196
EHIS200
EGLU203
EASN259
ECYS263
ECYS266
EHIS267
EALA274
ESER277
EARG278
EARG319
ELEU320
EALA335
EMET339
EHIS347
EHEC603
EHEC607
EHOH793
EHOH868

site_idCC6
Number of Residues19
DetailsBINDING SITE FOR RESIDUE HEC E 603
ChainResidue
ETHR122
EHIS123
ELYS141
ELYS144
ELEU145
EVAL167
ETHR195
ECYS196
ECYS199
EHIS200
ECYS263
EHIS267
EPHE272
ESER273
EALA274
EHEC602
EHEC605
EHOH760
EHOH870

site_idCC7
Number of Residues19
DetailsBINDING SITE FOR RESIDUE HEC E 604
ChainResidue
ASER389
AGLU390
AARG391
ETYR81
ETYR88
EPRO94
EGLU96
EALA98
ECYS103
ECYS106
EHIS107
EGLU110
ECYS169
EHIS173
EHIS184
EILE188
EMET190
EHEC605
EHOH786

site_idCC8
Number of Residues23
DetailsBINDING SITE FOR RESIDUE HEC E 605
ChainResidue
AHIS388
ASER389
ETYR81
EPRO84
EHIS107
ETRP114
ETRP118
EHIS123
EVAL167
EGLY168
ECYS169
ECYS172
EHIS173
EMET190
EPRO191
ELYS262
EASP264
EARG269
EHIS270
EPHE272
EHEC603
EHEC604
EHOH711

site_idCC9
Number of Residues21
DetailsBINDING SITE FOR RESIDUE HEC E 606
ChainResidue
AHEC608
ECYS283
EHIS287
EASN294
ETYR298
EPRO332
ETHR333
ECYS334
ECYS337
EHIS338
ETHR353
EARG354
ETRP355
EALA356
ETRP380
EMET400
EHIS483
EHEC607
EHEC608
EHOH707
EHOH961

site_idDC1
Number of Residues22
DetailsBINDING SITE FOR RESIDUE HEC E 607
ChainResidue
AHEC608
EPRO226
ESER227
EHIS228
EASP231
EALA234
ECYS256
EHIS257
EASN259
EASN265
ECYS266
EALA282
ECYS283
ECYS286
EHIS287
ECYS334
EILE349
ETHR353
EALA356
EHEC602
EHEC606
EHOH717

site_idDC2
Number of Residues21
DetailsBINDING SITE FOR RESIDUE HEC E 608
ChainResidue
CLYS262
CASP264
CTHR268
CARG269
EHIS303
EPHE324
EASN330
EALA331
EPRO332
ETHR383
ECYS384
ECYS387
EHIS388
EPHE392
ETYR396
EVAL484
EHEC606
EHOH734
EHOH752
EHOH771
EHOH776

site_idDC3
Number of Residues5
DetailsBINDING SITE FOR RESIDUE PO4 E 609
ChainResidue
ELEU39
EASP40
EALA44
EGLU48
EHOH934

site_idDC4
Number of Residues4
DetailsBINDING SITE FOR RESIDUE HOA E 610
ChainResidue
ATYR491
AHEC608
EASP291
EHIS292

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
AHIS257electrostatic stabiliser
AASP291steric role
AHIS292steric role
ATYR358steric role
ATYR491activator, covalently attached

site_idMCSA2
Number of Residues5
DetailsM-CSA 581
ChainResidueDetails
CHIS257electrostatic stabiliser
CASP291steric role
CHIS292steric role
CTYR358steric role
CTYR491activator, covalently attached

site_idMCSA3
Number of Residues5
DetailsM-CSA 581
ChainResidueDetails
EHIS257electrostatic stabiliser
EASP291steric role
EHIS292steric role
ETYR358steric role
ETYR491activator, covalently attached

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PDB entries from 2025-10-01

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