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1H9X

Cytochrome cd1 Nitrite Reductase, reduced form

Functional Information from GO Data
ChainGOidnamespacecontents
A0009055molecular_functionelectron transfer activity
A0016491molecular_functionoxidoreductase activity
A0020037molecular_functionheme binding
A0042597cellular_componentperiplasmic space
A0046872molecular_functionmetal ion binding
A0050418molecular_functionhydroxylamine reductase activity
A0050421molecular_functionnitrite reductase (NO-forming) activity
B0009055molecular_functionelectron transfer activity
B0016491molecular_functionoxidoreductase activity
B0020037molecular_functionheme binding
B0042597cellular_componentperiplasmic space
B0046872molecular_functionmetal ion binding
B0050418molecular_functionhydroxylamine reductase activity
B0050421molecular_functionnitrite reductase (NO-forming) activity
Functional Information from PDB Data
site_idAC1
Number of Residues5
DetailsBINDING SITE FOR RESIDUE SO4 B 621
ChainResidue
AARG354
ALYS372
BLYS79
BHOH2314
BHOH2315

site_idAC2
Number of Residues7
DetailsBINDING SITE FOR RESIDUE SO4 B 622
ChainResidue
BLYS74
BGLU241
BHOH2316
BGLY70
BVAL71
BLEU72
BARG73

site_idAC3
Number of Residues6
DetailsBINDING SITE FOR RESIDUE SO4 B 623
ChainResidue
AGLN178
BGLY423
BHIS424
BPRO425
BASP426
BHOH2318

site_idAC4
Number of Residues22
DetailsBINDING SITE FOR RESIDUE HEC A 601
ChainResidue
AARG64
ACYS65
ACYS68
AHIS69
ATHR77
AGLY78
ALYS79
ALEU89
ATYR93
ALEU94
APHE97
ASER102
AALA104
AGLY105
AMET106
APRO107
ATRP109
AHOH2029
AHOH2310
AHOH2311
AHOH2312
AHOH2313

site_idAC5
Number of Residues25
DetailsBINDING SITE FOR RESIDUE DHE A 602
ChainResidue
AARG174
AHIS200
AILE201
AARG203
AARG216
AARG243
ASER244
AILE245
ATYR263
AALA302
AILE303
AHIS345
AARG391
APHE444
AGLN507
ATHR554
APHE557
AHOH2112
AHOH2119
AHOH2178
AHOH2209
AHOH2314
AHOH2315
AHOH2316
AHOH2317

site_idAC6
Number of Residues23
DetailsBINDING SITE FOR RESIDUE HEC B 601
ChainResidue
ALYS372
AHOH2187
BARG64
BCYS65
BCYS68
BHIS69
BTHR77
BGLY78
BLYS79
BTYR93
BLEU94
BPHE97
BILE98
BSER102
BALA104
BGLY105
BMET106
BTRP109
BHOH2013
BHOH2037
BHOH2304
BHOH2305
BHOH2306

site_idAC7
Number of Residues25
DetailsBINDING SITE FOR RESIDUE DHE B 602
ChainResidue
BHIS345
BARG391
BPHE444
BGLN507
BTHR554
BGLY555
BPHE557
BHOH2149
BHOH2307
BHOH2309
BHOH2310
BHOH2311
BHOH2312
BHOH2313
BARG174
BHIS200
BILE201
BARG203
BARG216
BARG243
BSER244
BILE245
BTYR263
BALA302
BILE303

site_idAC8
Number of Residues6
DetailsBINDING SITE FOR RESIDUE NHE B 611
ChainResidue
BASN108
BGLU114
BALA176
BGLY177
BASP194
BTYR197

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues170
DetailsDomain: {"description":"Cytochrome c","evidences":[{"source":"PROSITE-ProRule","id":"PRU00433","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues866
DetailsRegion: {"description":"D1-heme domain"}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues4
DetailsBinding site: {"description":"covalent","evidences":[{"source":"PubMed","id":"7736589","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"1QKS","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues4
DetailsBinding site: {"description":"axial binding residue","evidences":[{"source":"PubMed","id":"7736589","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"1QKS","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues22
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"7736589","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"1QKS","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

Catalytic Information from CSA
site_idCSA1
Number of Residues2
DetailsAnnotated By Reference To The Literature 1nir
ChainResidueDetails
AHIS388
AHIS345

site_idCSA2
Number of Residues2
DetailsAnnotated By Reference To The Literature 1nir
ChainResidueDetails
BHIS388
BHIS345

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PDB entries from 2025-07-09

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