ID   QOX3_STAA8              Reviewed;         201 AA.
AC   Q2FZK1;
DT   06-FEB-2007, integrated into UniProtKB/Swiss-Prot.
DT   21-MAR-2006, sequence version 1.
DT   25-MAY-2022, entry version 101.
DE   RecName: Full=Probable quinol oxidase subunit 3;
DE            EC=1.10.3.-;
DE   AltName: Full=Quinol oxidase polypeptide III;
GN   Name=qoxC; OrderedLocusNames=SAOUHSC_01000;
OS   Staphylococcus aureus (strain NCTC 8325 / PS 47).
OC   Bacteria; Firmicutes; Bacilli; Bacillales; Staphylococcaceae;
OC   Staphylococcus.
OX   NCBI_TaxID=93061;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=NCTC 8325 / PS 47;
RA   Gillaspy A.F., Worrell V., Orvis J., Roe B.A., Dyer D.W., Iandolo J.J.;
RT   "The Staphylococcus aureus NCTC 8325 genome.";
RL   (In) Fischetti V., Novick R., Ferretti J., Portnoy D., Rood J. (eds.);
RL   Gram positive pathogens, 2nd edition, pp.381-412, ASM Press, Washington
RL   D.C. (2006).
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 subunit 3 family.
CC       {ECO:0000305}.
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DR   EMBL; CP000253; ABD30124.1; -; Genomic_DNA.
DR   RefSeq; WP_000017736.1; NZ_LS483365.1.
DR   RefSeq; YP_499552.1; NC_007795.1.
DR   AlphaFoldDB; Q2FZK1; -.
DR   SMR; Q2FZK1; -.
DR   STRING; 1280.SAXN108_1056; -.
DR   EnsemblBacteria; ABD30124; ABD30124; SAOUHSC_01000.
DR   GeneID; 3920400; -.
DR   GeneID; 66839255; -.
DR   KEGG; sao:SAOUHSC_01000; -.
DR   PATRIC; fig|93061.5.peg.918; -.
DR   eggNOG; COG1845; Bacteria.
DR   HOGENOM; CLU_044071_3_2_9; -.
DR   OMA; SIYWWGS; -.
DR   PRO; PR:Q2FZK1; -.
DR   Proteomes; UP000008816; Chromosome.
DR   GO; GO:0009319; C:cytochrome o ubiquinol oxidase complex; IBA:GO_Central.
DR   GO; GO:0005887; C:integral component of plasma membrane; IBA:GO_Central.
DR   GO; GO:0009486; F:cytochrome bo3 ubiquinol oxidase activity; IBA:GO_Central.
DR   GO; GO:0004129; F:cytochrome-c oxidase activity; IEA:InterPro.
DR   GO; GO:0009055; F:electron transfer activity; IBA:GO_Central.
DR   GO; GO:0015453; F:oxidoreduction-driven active transmembrane transporter activity; IBA:GO_Central.
DR   GO; GO:0019646; P:aerobic electron transport chain; IBA:GO_Central.
DR   GO; GO:0009060; P:aerobic respiration; IBA:GO_Central.
DR   GO; GO:0042773; P:ATP synthesis coupled electron transport; IEA:InterPro.
DR   GO; GO:0015990; P:electron transport coupled proton transport; IBA:GO_Central.
DR   CDD; cd02863; Ubiquinol_oxidase_III; 1.
DR   Gene3D; 1.20.120.80; -; 1.
DR   InterPro; IPR024791; Cyt_c/ubiquinol_Oxase_su3.
DR   InterPro; IPR000298; Cyt_c_oxidase-like_su3.
DR   InterPro; IPR035973; Cyt_c_oxidase_su3-like_sf.
DR   InterPro; IPR013833; Cyt_c_oxidase_su3_a-hlx.
DR   InterPro; IPR014246; QoxC.
DR   InterPro; IPR033946; Ubiquinol_oxase_su3_dom.
DR   PANTHER; PTHR11403; PTHR11403; 1.
DR   Pfam; PF00510; COX3; 1.
DR   SUPFAM; SSF81452; SSF81452; 1.
DR   TIGRFAMs; TIGR02897; QoxC; 1.
DR   PROSITE; PS50253; COX3; 1.
PE   3: Inferred from homology;
KW   Cell membrane; Membrane; Oxidoreductase; Reference proteome; Transmembrane;
KW   Transmembrane helix.
FT   CHAIN           1..201
FT                   /note="Probable quinol oxidase subunit 3"
FT                   /id="PRO_0000275891"
FT   TRANSMEM        20..40
FT                   /note="Helical"
FT                   /evidence="ECO:0000255"
FT   TRANSMEM        62..82
FT                   /note="Helical"
FT                   /evidence="ECO:0000255"
FT   TRANSMEM        91..111
FT                   /note="Helical"
FT                   /evidence="ECO:0000255"
FT   TRANSMEM        133..153
FT                   /note="Helical"
FT                   /evidence="ECO:0000255"
FT   TRANSMEM        172..192
FT                   /note="Helical"
FT                   /evidence="ECO:0000255"
SQ   SEQUENCE   201 AA;  23057 MW;  0DBD36DE9ED6E758 CRC64;
     MSHDTNTIDS RTHEGELNKL GFWIFITAEF ALFGTLFATL LTLQHGGDYA GKMTTELFEL
     PLVLIMTFAL LFSSYTCGIA IYYMRQEKQK LMMFWMIITL LLGLVFVGFE IYEFAHYASE
     GVNPTIGSYW SSFFILLGTH GCHVSLGIVW AICLLIQIQR RGLDKYNAPK LFIVSLYWHF
     LDVVWVFIFT AVYMIGMVYS G