ID   NQRA_VIBVU              Reviewed;         446 AA.
AC   Q8DBJ6;
DT   30-APR-2003, integrated into UniProtKB/Swiss-Prot.
DT   30-APR-2003, sequence version 2.
DT   25-MAY-2022, entry version 101.
DE   RecName: Full=Na(+)-translocating NADH-quinone reductase subunit A {ECO:0000255|HAMAP-Rule:MF_00425};
DE            Short=Na(+)-NQR subunit A {ECO:0000255|HAMAP-Rule:MF_00425};
DE            Short=Na(+)-translocating NQR subunit A {ECO:0000255|HAMAP-Rule:MF_00425};
DE            EC=7.2.1.1 {ECO:0000255|HAMAP-Rule:MF_00425};
DE   AltName: Full=NQR complex subunit A {ECO:0000255|HAMAP-Rule:MF_00425};
DE   AltName: Full=NQR-1 subunit A {ECO:0000255|HAMAP-Rule:MF_00425};
GN   Name=nqrA {ECO:0000255|HAMAP-Rule:MF_00425}; OrderedLocusNames=VV1_1821;
OS   Vibrio vulnificus (strain CMCP6).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Vibrionales; Vibrionaceae;
OC   Vibrio.
OX   NCBI_TaxID=216895;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=CMCP6;
RA   Rhee J.H., Kim S.Y., Chung S.S., Kim J.J., Moon Y.H., Jeong H., Choy H.E.;
RT   "Complete genome sequence of Vibrio vulnificus CMCP6.";
RL   Submitted (DEC-2002) to the EMBL/GenBank/DDBJ databases.
CC   -!- FUNCTION: NQR complex catalyzes the reduction of ubiquinone-1 to
CC       ubiquinol by two successive reactions, coupled with the transport of
CC       Na(+) ions from the cytoplasm to the periplasm. NqrA to NqrE are
CC       probably involved in the second step, the conversion of ubisemiquinone
CC       to ubiquinol. {ECO:0000255|HAMAP-Rule:MF_00425}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=a ubiquinone + H(+) + n Na(+)(in) + NADH = a ubiquinol + n
CC         Na(+)(out) + NAD(+); Xref=Rhea:RHEA:47748, Rhea:RHEA-COMP:9565,
CC         Rhea:RHEA-COMP:9566, ChEBI:CHEBI:15378, ChEBI:CHEBI:16389,
CC         ChEBI:CHEBI:17976, ChEBI:CHEBI:29101, ChEBI:CHEBI:57540,
CC         ChEBI:CHEBI:57945; EC=7.2.1.1; Evidence={ECO:0000255|HAMAP-
CC         Rule:MF_00425};
CC   -!- SUBUNIT: Composed of six subunits; NqrA, NqrB, NqrC, NqrD, NqrE and
CC       NqrF. {ECO:0000255|HAMAP-Rule:MF_00425}.
CC   -!- SIMILARITY: Belongs to the NqrA family. {ECO:0000255|HAMAP-
CC       Rule:MF_00425}.
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DR   EMBL; AE016795; AAO10227.2; -; Genomic_DNA.
DR   RefSeq; WP_011079727.1; NC_004459.3.
DR   AlphaFoldDB; Q8DBJ6; -.
DR   SMR; Q8DBJ6; -.
DR   EnsemblBacteria; AAO10227; AAO10227; VV1_1821.
DR   KEGG; vvu:VV1_1821; -.
DR   HOGENOM; CLU_046656_0_0_6; -.
DR   OMA; IKQRPYD; -.
DR   Proteomes; UP000002275; Chromosome 1.
DR   GO; GO:0016655; F:oxidoreductase activity, acting on NAD(P)H, quinone or similar compound as acceptor; IEA:UniProtKB-UniRule.
DR   GO; GO:0006814; P:sodium ion transport; IEA:UniProtKB-UniRule.
DR   HAMAP; MF_00425; NqrA; 1.
DR   InterPro; IPR008703; NqrA.
DR   InterPro; IPR022615; NqrA_C_domain.
DR   PANTHER; PTHR37839; PTHR37839; 1.
DR   Pfam; PF05896; NQRA; 1.
DR   Pfam; PF11973; NQRA_SLBB; 1.
DR   TIGRFAMs; TIGR01936; nqrA; 1.
PE   3: Inferred from homology;
KW   Ion transport; NAD; Sodium; Sodium transport; Translocase; Transport;
KW   Ubiquinone.
FT   CHAIN           1..446
FT                   /note="Na(+)-translocating NADH-quinone reductase subunit
FT                   A"
FT                   /id="PRO_0000214208"
SQ   SEQUENCE   446 AA;  48538 MW;  94A9645856DAF6AA CRC64;
     MITIKKGLDL PIAGAPSQVI NDGKSITKVA LLGEEYVGMR PTMHVRVGDE VKKAQVLFED
     KKNPGVKFTS PVSGKVIEVN RGAKRVLQSV VIEVAGDEQV TFDKFEASQL AGLDREVIKT
     QLVESGLWTA LRTRPFSKVP AIESTTKAIF VTAMDTNPLA AKPELIINEQ AEAFVAGLDV
     LSALTEEKVY VCKSGTSLPR SSQSNVEEHV FDGPHPAGLA GTHMHFLYPV NANNVAWSIN
     YQDVIAFGQL FLTGELFTDR VVSLAGPVVN NPRLVRTIMG ASLDELTDSE MMPGEVRVIS
     GSVLTGTHAT GPHAYLGRYH LQVSVLREGR DKELFGWATP GKNKFSVTRS FLGHLFKGQL
     FNMTTTTNGS DRAMVPIGNY ERVVPLDMEP TLLLRDLCAG DTDSAQALGA LELDEEDLAL
     CTFVCPGKYE YGQLLRDCLN TIEKEG