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3KPK

Crystal structure of sulfide:quinone oxidoreductase from Acidithiobacillus ferrooxidans, C160A mutant

Functional Information from GO Data
ChainGOidnamespacecontents
A0000166molecular_functionnucleotide binding
A0003955molecular_functionNAD(P)H dehydrogenase (quinone) activity
A0016020cellular_componentmembrane
A0016491molecular_functionoxidoreductase activity
A0019646biological_processaerobic electron transport chain
A0048038molecular_functionquinone binding
A0070224molecular_functionsulfide:quinone oxidoreductase activity
Functional Information from PDB Data
site_idAC1
Number of Residues41
DetailsBINDING SITE FOR RESIDUE FAD A 500
ChainResidue
ALEU7
APRO43
ASER77
AALA78
AALA104
ATHR105
AGLY106
APRO107
AILE127
APRO163
AVAL267
AGLY8
AGLY301
AILE302
ALYS320
ATHR321
AGLY322
AVAL355
APHE357
ALYS391
AHOH435
AHOH437
AALA9
AHOH443
AHOH455
AHOH457
AHOH471
AHOH474
AH2S502
APGR504
AHOH649
AHOH653
AHOH701
AGLY10
AHOH734
AHOH737
ATHR11
AGLY12
ASER34
AALA35
AVAL42

site_idAC2
Number of Residues14
DetailsBINDING SITE FOR RESIDUE LMT A 501
ChainResidue
ATYR165
AGLY205
AASP206
AILE210
AGLU217
AALA358
AALA365
APHE367
ATYR383
AHOH448
AHOH470
AHOH479
AHOH490
AHOH713

site_idAC3
Number of Residues4
DetailsBINDING SITE FOR RESIDUE H2S A 502
ChainResidue
ACYS356
AHOH489
AFAD500
AHOH656

site_idAC4
Number of Residues4
DetailsBINDING SITE FOR RESIDUE H2S A 503
ChainResidue
ASER159
APHE264
ALYS320
AHOH507

site_idAC5
Number of Residues5
DetailsBINDING SITE FOR RESIDUE PGR A 504
ChainResidue
ACYS356
APHE357
ALYS391
APHE394
AFAD500

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues2
DetailsActive site: {"description":"Cysteine persulfide intermediate","evidences":[{"source":"PubMed","id":"20303979","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"22542586","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues9
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"20303979","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"22542586","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

246704

PDB entries from 2025-12-24

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