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