QOX3_STAAB
ID QOX3_STAAB Reviewed; 201 AA.
AC Q2YX16;
DT 06-FEB-2007, integrated into UniProtKB/Swiss-Prot.
DT 20-DEC-2005, sequence version 1.
DT 25-MAY-2022, entry version 100.
DE RecName: Full=Probable quinol oxidase subunit 3;
DE EC=1.10.3.-;
DE AltName: Full=Quinol oxidase polypeptide III;
GN Name=qoxC; OrderedLocusNames=SAB0925c;
OS Staphylococcus aureus (strain bovine RF122 / ET3-1).
OC Bacteria; Firmicutes; Bacilli; Bacillales; Staphylococcaceae;
OC Staphylococcus.
OX NCBI_TaxID=273036;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=bovine RF122 / ET3-1;
RX PubMed=17971880; DOI=10.1371/journal.pone.0001120;
RA Herron-Olson L., Fitzgerald J.R., Musser J.M., Kapur V.;
RT "Molecular correlates of host specialization in Staphylococcus aureus.";
RL PLoS ONE 2:E1120-E1120(2007).
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; AJ938182; CAI80613.1; -; Genomic_DNA.
DR RefSeq; WP_000017736.1; NC_007622.1.
DR AlphaFoldDB; Q2YX16; -.
DR SMR; Q2YX16; -.
DR GeneID; 66839255; -.
DR KEGG; sab:SAB0925c; -.
DR HOGENOM; CLU_044071_3_2_9; -.
DR OMA; SIYWWGS; -.
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_0000275884"
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