COX3_MYCTO
ID COX3_MYCTO Reviewed; 203 AA.
AC P9WP66; L0T941; P63856; Q10385;
DT 16-APR-2014, integrated into UniProtKB/Swiss-Prot.
DT 16-APR-2014, sequence version 1.
DT 25-MAY-2022, entry version 38.
DE RecName: Full=Probable cytochrome c oxidase subunit 3;
DE EC=7.1.1.9;
DE AltName: Full=Cytochrome aa3 subunit 3;
DE AltName: Full=Cytochrome c oxidase polypeptide III;
GN Name=ctaE; OrderedLocusNames=MT2249;
OS Mycobacterium tuberculosis (strain CDC 1551 / Oshkosh).
OC Bacteria; Actinobacteria; Corynebacteriales; Mycobacteriaceae;
OC Mycobacterium; Mycobacterium tuberculosis complex.
OX NCBI_TaxID=83331;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=CDC 1551 / Oshkosh;
RX PubMed=12218036; DOI=10.1128/jb.184.19.5479-5490.2002;
RA Fleischmann R.D., Alland D., Eisen J.A., Carpenter L., White O.,
RA Peterson J.D., DeBoy R.T., Dodson R.J., Gwinn M.L., Haft D.H., Hickey E.K.,
RA Kolonay J.F., Nelson W.C., Umayam L.A., Ermolaeva M.D., Salzberg S.L.,
RA Delcher A., Utterback T.R., Weidman J.F., Khouri H.M., Gill J., Mikula A.,
RA Bishai W., Jacobs W.R. Jr., Venter J.C., Fraser C.M.;
RT "Whole-genome comparison of Mycobacterium tuberculosis clinical and
RT laboratory strains.";
RL J. Bacteriol. 184:5479-5490(2002).
CC -!- CATALYTIC ACTIVITY:
CC Reaction=4 Fe(II)-[cytochrome c] + 8 H(+)(in) + O2 = 4 Fe(III)-
CC [cytochrome c] + 4 H(+)(out) + 2 H2O; Xref=Rhea:RHEA:11436,
CC Rhea:RHEA-COMP:10350, Rhea:RHEA-COMP:14399, ChEBI:CHEBI:15377,
CC ChEBI:CHEBI:15378, ChEBI:CHEBI:15379, ChEBI:CHEBI:29033,
CC ChEBI:CHEBI:29034; EC=7.1.1.9;
CC -!- SUBCELLULAR LOCATION: Cell membrane {ECO:0000305}; Multi-pass membrane
CC protein {ECO:0000305}.
CC -!- SIMILARITY: Belongs to the cytochrome c oxidase subunit 3 family.
CC {ECO:0000305}.
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DR EMBL; AE000516; AAK46535.1; -; Genomic_DNA.
DR PIR; B70784; B70784.
DR RefSeq; WP_003411389.1; NZ_KK341227.1.
DR AlphaFoldDB; P9WP66; -.
DR SMR; P9WP66; -.
DR EnsemblBacteria; AAK46535; AAK46535; MT2249.
DR GeneID; 45426169; -.
DR KEGG; mtc:MT2249; -.
DR PATRIC; fig|83331.31.peg.2424; -.
DR HOGENOM; CLU_044071_1_1_11; -.
DR Proteomes; UP000001020; 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:UniProtKB-EC.
DR GO; GO:0019646; P:aerobic electron transport chain; IEA:InterPro.
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 PANTHER; PTHR11403; PTHR11403; 1.
DR Pfam; PF00510; COX3; 1.
DR SUPFAM; SSF81452; SSF81452; 1.
DR PROSITE; PS50253; COX3; 1.
PE 3: Inferred from homology;
KW Cell membrane; Membrane; Translocase; Transmembrane; Transmembrane helix.
FT CHAIN 1..203
FT /note="Probable cytochrome c oxidase subunit 3"
FT /id="PRO_0000427005"
FT TRANSMEM 30..50
FT /note="Helical"
FT /evidence="ECO:0000255"
FT TRANSMEM 71..91
FT /note="Helical"
FT /evidence="ECO:0000255"
FT TRANSMEM 96..116
FT /note="Helical"
FT /evidence="ECO:0000255"
FT TRANSMEM 143..163
FT /note="Helical"
FT /evidence="ECO:0000255"
FT TRANSMEM 179..199
FT /note="Helical"
FT /evidence="ECO:0000255"
SQ SEQUENCE 203 AA; 22420 MW; 70145380A05BD0C2 CRC64;
MTSAVGTSGT AITSRVHSLN RPNMVSVGTI VWLSSELMFF AGLFAFYFSA RAQAGGNWPP
PPTELNLYQA VPVTLVLIAS SFTCQMGVFA AERGDIFGLR RWYVITFLMG LFFVLGQAYE
YRNLMSHGTS IPSSAYGSVF YLATGFHGLH VTGGLIAFIF LLVRTGMSKF TPAQATASIV
VSYYWHFVDI VWIALFTVIY FIR
