COX4_NOCFA
ID COX4_NOCFA Reviewed; 138 AA.
AC Q5YZ36;
DT 26-APR-2005, integrated into UniProtKB/Swiss-Prot.
DT 23-NOV-2004, sequence version 1.
DT 25-MAY-2022, entry version 93.
DE RecName: Full=Probable cytochrome c oxidase polypeptide 4;
DE EC=7.1.1.9;
DE AltName: Full=Cytochrome aa3 subunit 4;
DE AltName: Full=Cytochrome c oxidase polypeptide IV;
GN Name=ctaF; OrderedLocusNames=NFA_17090;
OS Nocardia farcinica (strain IFM 10152).
OC Bacteria; Actinobacteria; Corynebacteriales; Nocardiaceae; Nocardia.
OX NCBI_TaxID=247156;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=IFM 10152;
RX PubMed=15466710; DOI=10.1073/pnas.0406410101;
RA Ishikawa J., Yamashita A., Mikami Y., Hoshino Y., Kurita H., Hotta K.,
RA Shiba T., Hattori M.;
RT "The complete genomic sequence of Nocardia farcinica IFM 10152.";
RL Proc. Natl. Acad. Sci. U.S.A. 101:14925-14930(2004).
CC -!- FUNCTION: Part of cytochrome c oxidase, its function is unknown.
CC {ECO:0000250}.
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 -!- SUBUNIT: Associates with subunits I, II and III to form cytochrome c
CC oxidase. {ECO:0000250}.
CC -!- SUBCELLULAR LOCATION: Cell membrane {ECO:0000250}; Multi-pass membrane
CC protein {ECO:0000250}.
CC -!- SIMILARITY: Belongs to the cytochrome c oxidase bacterial subunit CtaF
CC family. {ECO:0000305}.
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DR EMBL; AP006618; BAD56555.1; -; Genomic_DNA.
DR RefSeq; WP_011208240.1; NC_006361.1.
DR AlphaFoldDB; Q5YZ36; -.
DR SMR; Q5YZ36; -.
DR STRING; 247156.NFA_17090; -.
DR EnsemblBacteria; BAD56555; BAD56555; NFA_17090.
DR GeneID; 61132492; -.
DR KEGG; nfa:NFA_17090; -.
DR eggNOG; ENOG5032SZC; Bacteria.
DR HOGENOM; CLU_145919_0_0_11; -.
DR OMA; GTYFRFV; -.
DR Proteomes; UP000006820; 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 InterPro; IPR021050; Cyt_c_oxidase_su4_actinobac.
DR Pfam; PF12270; Cyt_c_ox_IV; 1.
DR PIRSF; PIRSF017385; CtaF; 1.
PE 3: Inferred from homology;
KW Cell membrane; Membrane; Reference proteome; Translocase; Transmembrane;
KW Transmembrane helix.
FT CHAIN 1..138
FT /note="Probable cytochrome c oxidase polypeptide 4"
FT /id="PRO_0000220020"
FT TRANSMEM 7..27
FT /note="Helical"
FT /evidence="ECO:0000255"
FT TRANSMEM 35..55
FT /note="Helical"
FT /evidence="ECO:0000255"
FT TRANSMEM 81..101
FT /note="Helical"
FT /evidence="ECO:0000255"
FT TRANSMEM 102..122
FT /note="Helical"
FT /evidence="ECO:0000255"
SQ SEQUENCE 138 AA; 14903 MW; 3CFDDBC69437DCDB CRC64;
MRIEARIFEL LTVFFIIVGV VYGFFTAQSR TGVEWAGTTA IVLTAGLSLI IGTYFRFVAR
RLDLRPEDYE DAEIVDGAGD LGFFSPGSFW PILLAGAGSV AALGLAFFEP WLIAVGVICV
IAAAAGLVFE YHLGPEKH
