ID   QOX3_STAHJ              Reviewed;         201 AA.
AC   Q4L563;
DT   06-FEB-2007, integrated into UniProtKB/Swiss-Prot.
DT   02-AUG-2005, sequence version 1.
DT   25-MAY-2022, entry version 122.
DE   RecName: Full=Probable quinol oxidase subunit 3;
DE            EC=1.10.3.-;
DE   AltName: Full=Quinol oxidase polypeptide III;
GN   Name=qoxC; OrderedLocusNames=SH1903;
OS   Staphylococcus haemolyticus (strain JCSC1435).
OC   Bacteria; Firmicutes; Bacilli; Bacillales; Staphylococcaceae;
OC   Staphylococcus.
OX   NCBI_TaxID=279808;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=JCSC1435;
RX   PubMed=16237012; DOI=10.1128/jb.187.21.7292-7308.2005;
RA   Takeuchi F., Watanabe S., Baba T., Yuzawa H., Ito T., Morimoto Y.,
RA   Kuroda M., Cui L., Takahashi M., Ankai A., Baba S., Fukui S., Lee J.C.,
RA   Hiramatsu K.;
RT   "Whole-genome sequencing of Staphylococcus haemolyticus uncovers the
RT   extreme plasticity of its genome and the evolution of human-colonizing
RT   staphylococcal species.";
RL   J. Bacteriol. 187:7292-7308(2005).
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; AP006716; BAE05212.1; -; Genomic_DNA.
DR   RefSeq; WP_011276175.1; NC_007168.1.
DR   AlphaFoldDB; Q4L563; -.
DR   SMR; Q4L563; -.
DR   STRING; 279808.SH1903; -.
DR   EnsemblBacteria; BAE05212; BAE05212; SH1903.
DR   GeneID; 58061980; -.
DR   KEGG; sha:SH1903; -.
DR   eggNOG; COG1845; Bacteria.
DR   HOGENOM; CLU_044071_3_2_9; -.
DR   OMA; SIYWWGS; -.
DR   OrthoDB; 1502742at2; -.
DR   Proteomes; UP000000543; 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:0004129; F:cytochrome-c oxidase activity; IEA:InterPro.
DR   GO; GO:0019646; P:aerobic electron transport chain; IEA:InterPro.
DR   GO; GO:0042773; P:ATP synthesis coupled electron transport; IEA:InterPro.
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; Transmembrane;
KW   Transmembrane helix.
FT   CHAIN           1..201
FT                   /note="Probable quinol oxidase subunit 3"
FT                   /id="PRO_0000275895"
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;  22909 MW;  3D86FDD48A37B295 CRC64;
     MSHDTNTVDS RTHEGQLNKL GFWIFLTAEF SLFGTLFATL LTLQHGGDYA GKMTTELFEL
     PLVLIMTFAL LISSYTCGIS IYYMRKEKQN LMMFWMILTV LLGLVFVGFE IYEFAHYVSE
     GVTPQIGSYW SSFFILLGTH GAHVSLGIGW IICLLIQVAT RGLNKYNAPK LFIVSLYWHF
     LDVVWIFIFT AVYMIGMVYS G