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QOX2_STAAS
ID   QOX2_STAAS              Reviewed;         366 AA.
AC   Q6GAF2;
DT   06-FEB-2007, integrated into UniProtKB/Swiss-Prot.
DT   19-JUL-2004, sequence version 1.
DT   25-MAY-2022, entry version 114.
DE   RecName: Full=Probable quinol oxidase subunit 2;
DE            EC=1.10.3.-;
DE   AltName: Full=Quinol oxidase polypeptide II;
DE   Flags: Precursor;
GN   Name=qoxA; OrderedLocusNames=SAS0996;
OS   Staphylococcus aureus (strain MSSA476).
OC   Bacteria; Firmicutes; Bacilli; Bacillales; Staphylococcaceae;
OC   Staphylococcus.
OX   NCBI_TaxID=282459;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=MSSA476;
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. Subunit II transfers the electrons from a quinol to
CC       the binuclear center of the catalytic subunit I (By similarity).
CC       {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:0000255|PROSITE-
CC       ProRule:PRU00303}; Multi-pass membrane protein {ECO:0000250}.
CC   -!- SIMILARITY: Belongs to the cytochrome c oxidase subunit 2 family.
CC       {ECO:0000305}.
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DR   EMBL; BX571857; CAG42771.1; -; Genomic_DNA.
DR   RefSeq; WP_000032836.1; NC_002953.3.
DR   AlphaFoldDB; Q6GAF2; -.
DR   SMR; Q6GAF2; -.
DR   KEGG; sas:SAS0996; -.
DR   HOGENOM; CLU_036876_6_0_9; -.
DR   OMA; TAMNSFF; -.
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:0070469; C:respirasome; IEA:UniProtKB-KW.
DR   GO; GO:0005507; F:copper ion binding; IEA:InterPro.
DR   GO; GO:0009486; F:cytochrome bo3 ubiquinol oxidase activity; IEA:InterPro.
DR   GO; GO:0004129; F:cytochrome-c oxidase activity; IEA:InterPro.
DR   GO; GO:0016682; F:oxidoreductase activity, acting on diphenols and related substances as donors, oxygen as acceptor; IEA:InterPro.
DR   CDD; cd04212; CuRO_UO_II; 1.
DR   Gene3D; 1.10.287.90; -; 1.
DR   Gene3D; 2.60.40.420; -; 1.
DR   InterPro; IPR045187; CcO_II.
DR   InterPro; IPR002429; CcO_II-like_C.
DR   InterPro; IPR008972; Cupredoxin.
DR   InterPro; IPR034227; CuRO_UO_II.
DR   InterPro; IPR011759; Cyt_c_oxidase_su2_TM_dom.
DR   InterPro; IPR036257; Cyt_c_oxidase_su2_TM_sf.
DR   InterPro; IPR006332; QoxA.
DR   PANTHER; PTHR22888; PTHR22888; 1.
DR   Pfam; PF00116; COX2; 1.
DR   Pfam; PF02790; COX2_TM; 1.
DR   SUPFAM; SSF49503; SSF49503; 1.
DR   SUPFAM; SSF81464; SSF81464; 1.
DR   TIGRFAMs; TIGR01432; QOXA; 1.
DR   PROSITE; PS50857; COX2_CUA; 1.
DR   PROSITE; PS50999; COX2_TM; 1.
DR   PROSITE; PS51257; PROKAR_LIPOPROTEIN; 1.
PE   3: Inferred from homology;
KW   Cell membrane; Electron transport; Lipoprotein; Membrane; Oxidoreductase;
KW   Palmitate; Respiratory chain; Signal; Transmembrane; Transmembrane helix;
KW   Transport.
FT   SIGNAL          1..19
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00303"
FT   CHAIN           20..366
FT                   /note="Probable quinol oxidase subunit 2"
FT                   /id="PRO_0000275874"
FT   TRANSMEM        38..58
FT                   /note="Helical"
FT                   /evidence="ECO:0000255"
FT   TRANSMEM        80..100
FT                   /note="Helical"
FT                   /evidence="ECO:0000255"
FT   REGION          330..366
FT                   /note="Disordered"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   COMPBIAS        332..366
FT                   /note="Basic and acidic residues"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   LIPID           20
FT                   /note="N-palmitoyl cysteine"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00303"
FT   LIPID           20
FT                   /note="S-diacylglycerol cysteine"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00303"
SQ   SEQUENCE   366 AA;  41777 MW;  D3200D588A7BF1DF CRC64;
     MSKFKSLLLL FGTLILLSGC SNIEIFNAKG PVASSQKFLI LYSIVFMLVI CFVVLGMFAI
     FIYKYSYNKN AESGKMHHNA IIETIWFVIP IIIVAALAIP TVKTLYDYEK PPKSEKDPMV
     VYAVSAGYKW FFAYPDEHIE TVNTLTIPKD RPVVFKLQAM DTMTSFWIPQ LGGQKYAMTG
     MTMNWTLEAS QTGTFRGRNS NFNGEGFSRQ TFKVNAVSQK DYDKWVKEVK GKKTLDQDTF
     DKQLLPSTPN KALEFNGTHM AFVDPAADPE YIFYAYKRFN FELKDPNFTS EENMFKDVSD
     KPLIPARKAQ ITNANYKRHG MKLMILGNDE PYNNEFKKDE SKNAKEMKKI SKDAQDQDND
     DHGGGH
 
 
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