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QOX4_STAAR
ID   QOX4_STAAR              Reviewed;          96 AA.
AC   Q6GI26;
DT   06-FEB-2007, integrated into UniProtKB/Swiss-Prot.
DT   19-JUL-2004, sequence version 1.
DT   25-MAY-2022, entry version 84.
DE   RecName: Full=Probable quinol oxidase subunit 4;
DE            EC=1.10.3.-;
DE   AltName: Full=Quinol oxidase polypeptide IV;
GN   Name=qoxD; OrderedLocusNames=SAR1031;
OS   Staphylococcus aureus (strain MRSA252).
OC   Bacteria; Firmicutes; Bacilli; Bacillales; Staphylococcaceae;
OC   Staphylococcus.
OX   NCBI_TaxID=282458;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=MRSA252;
RX   PubMed=15213324; DOI=10.1073/pnas.0402521101;
RA   Holden M.T.G., Feil E.J., Lindsay J.A., Peacock S.J., Day N.P.J.,
RA   Enright M.C., Foster T.J., Moore C.E., Hurst L., Atkin R., Barron A.,
RA   Bason N., Bentley S.D., Chillingworth C., Chillingworth T., Churcher C.,
RA   Clark L., Corton C., Cronin A., Doggett J., Dowd L., Feltwell T., Hance Z.,
RA   Harris B., Hauser H., Holroyd S., Jagels K., James K.D., Lennard N.,
RA   Line A., Mayes R., Moule S., Mungall K., Ormond D., Quail M.A.,
RA   Rabbinowitsch E., Rutherford K.M., Sanders M., Sharp S., Simmonds M.,
RA   Stevens K., Whitehead S., Barrell B.G., Spratt B.G., Parkhill J.;
RT   "Complete genomes of two clinical Staphylococcus aureus strains: evidence
RT   for the rapid evolution of virulence and drug resistance.";
RL   Proc. Natl. Acad. Sci. U.S.A. 101:9786-9791(2004).
CC   -!- FUNCTION: Catalyzes quinol oxidation with the concomitant reduction of
CC       oxygen to water. {ECO:0000250}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=2 a quinol + O2 = 2 a quinone + 2 H2O; Xref=Rhea:RHEA:55376,
CC         ChEBI:CHEBI:15377, ChEBI:CHEBI:15379, ChEBI:CHEBI:24646,
CC         ChEBI:CHEBI:132124;
CC   -!- SUBCELLULAR LOCATION: Cell membrane {ECO:0000250}; Multi-pass membrane
CC       protein {ECO:0000250}.
CC   -!- SIMILARITY: Belongs to the cytochrome c oxidase bacterial subunit 4
CC       family. {ECO:0000305}.
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DR   EMBL; BX571856; CAG40035.1; -; Genomic_DNA.
DR   AlphaFoldDB; Q6GI26; -.
DR   SMR; Q6GI26; -.
DR   KEGG; sar:SAR1031; -.
DR   HOGENOM; CLU_140945_2_0_9; -.
DR   OMA; AASIWIM; -.
DR   OrthoDB; 2088013at2; -.
DR   Proteomes; UP000000596; Chromosome.
DR   GO; GO:0016021; C:integral component of membrane; IEA:UniProtKB-KW.
DR   GO; GO:0005886; C:plasma membrane; IEA:UniProtKB-SubCell.
DR   GO; GO:0016682; F:oxidoreductase activity, acting on diphenols and related substances as donors, oxygen as acceptor; IEA:InterPro.
DR   GO; GO:0042773; P:ATP synthesis coupled electron transport; IEA:InterPro.
DR   InterPro; IPR005171; Cyt_c_oxidase_su4_prok.
DR   InterPro; IPR014250; QoxD.
DR   Pfam; PF03626; COX4_pro; 1.
DR   TIGRFAMs; TIGR02901; QoxD; 1.
PE   3: Inferred from homology;
KW   Cell membrane; Membrane; Oxidoreductase; Transmembrane;
KW   Transmembrane helix.
FT   CHAIN           1..96
FT                   /note="Probable quinol oxidase subunit 4"
FT                   /id="PRO_0000275859"
FT   TRANSMEM        8..28
FT                   /note="Helical"
FT                   /evidence="ECO:0000255"
FT   TRANSMEM        36..56
FT                   /note="Helical"
FT                   /evidence="ECO:0000255"
FT   TRANSMEM        68..88
FT                   /note="Helical"
FT                   /evidence="ECO:0000255"
SQ   SEQUENCE   96 AA;  10701 MW;  614E29DAB3D39F7E CRC64;
     MSTIMKHTVG FIASIVLTLL AVYVTLYTSL TFHAKLTIIF GFAFIQAGLQ LLMFMHLTEG
     KDGRLQTFKV IFALVITLCF VVGTYWVMQG GHSSHL
 
 
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