ID A0A1I0M6U5_9BACT Unreviewed; 448 AA.
AC A0A1I0M6U5;
DT 22-NOV-2017, integrated into UniProtKB/TrEMBL.
DT 22-NOV-2017, sequence version 1.
DT 24-JAN-2024, entry version 17.
DE RecName: Full=Na(+)-translocating NADH-quinone reductase subunit A {ECO:0000256|HAMAP-Rule:MF_00425};
DE Short=Na(+)-NQR subunit A {ECO:0000256|HAMAP-Rule:MF_00425};
DE Short=Na(+)-translocating NQR subunit A {ECO:0000256|HAMAP-Rule:MF_00425};
DE EC=7.2.1.1 {ECO:0000256|HAMAP-Rule:MF_00425};
DE AltName: Full=NQR complex subunit A {ECO:0000256|HAMAP-Rule:MF_00425};
DE AltName: Full=NQR-1 subunit A {ECO:0000256|HAMAP-Rule:MF_00425};
GN Name=nqrA {ECO:0000256|HAMAP-Rule:MF_00425};
GN ORFNames=SAMN04487827_0394 {ECO:0000313|EMBL:SEV84002.1};
OS Prevotella sp. khp7.
OC Bacteria; Bacteroidota; Bacteroidia; Bacteroidales; Prevotellaceae;
OC Prevotella.
OX NCBI_TaxID=1761885 {ECO:0000313|EMBL:SEV84002.1, ECO:0000313|Proteomes:UP000198798};
RN [1] {ECO:0000313|EMBL:SEV84002.1, ECO:0000313|Proteomes:UP000198798}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=KHP7 {ECO:0000313|EMBL:SEV84002.1,
RC ECO:0000313|Proteomes:UP000198798};
RA de Groot N.N.;
RL Submitted (OCT-2016) 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:0000256|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:0000256|HAMAP-
CC Rule:MF_00425};
CC -!- SUBUNIT: Composed of six subunits; NqrA, NqrB, NqrC, NqrD, NqrE and
CC NqrF. {ECO:0000256|HAMAP-Rule:MF_00425}.
CC -!- SIMILARITY: Belongs to the NqrA family. {ECO:0000256|HAMAP-
CC Rule:MF_00425}.
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DR EMBL; FOIV01000001; SEV84002.1; -; Genomic_DNA.
DR AlphaFoldDB; A0A1I0M6U5; -.
DR STRING; 1761885.SAMN04487827_0394; -.
DR OrthoDB; 9774536at2; -.
DR Proteomes; UP000198798; Unassembled WGS sequence.
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 NCBIfam; TIGR01936; nqrA; 1.
DR PANTHER; PTHR37839; NA(+)-TRANSLOCATING NADH-QUINONE REDUCTASE SUBUNIT A; 1.
DR PANTHER; PTHR37839:SF1; NA(+)-TRANSLOCATING NADH-QUINONE REDUCTASE SUBUNIT A; 1.
DR Pfam; PF05896; NQRA; 1.
DR Pfam; PF11973; NQRA_SLBB; 1.
PE 3: Inferred from homology;
KW Ion transport {ECO:0000256|ARBA:ARBA00023065, ECO:0000256|HAMAP-
KW Rule:MF_00425};
KW NAD {ECO:0000256|ARBA:ARBA00023027, ECO:0000256|HAMAP-Rule:MF_00425};
KW Sodium {ECO:0000256|ARBA:ARBA00023053, ECO:0000256|HAMAP-Rule:MF_00425};
KW Sodium transport {ECO:0000256|ARBA:ARBA00023201, ECO:0000256|HAMAP-
KW Rule:MF_00425};
KW Translocase {ECO:0000256|ARBA:ARBA00022967, ECO:0000256|HAMAP-
KW Rule:MF_00425};
KW Transport {ECO:0000256|ARBA:ARBA00022448, ECO:0000256|HAMAP-Rule:MF_00425};
KW Ubiquinone {ECO:0000256|ARBA:ARBA00023075, ECO:0000256|HAMAP-
KW Rule:MF_00425}.
FT DOMAIN 260..306
FT /note="Na(+)-translocating NADH-quinone reductase subunit A
FT C-terminal"
FT /evidence="ECO:0000259|Pfam:PF11973"
SQ SEQUENCE 448 AA; 49029 MW; 504B504A92E37E5A CRC64;
MANVIKLRKG LDMNLKGQAE EKKIQLKSNG KYALVPDDFE GVTPKVVVRE GDKVKAGDAL
FVNKQYPEVK FASPVSGTVS AVVRGERRKV LCVKVDADAQ QSYVDFGKKE VSKLDGKAVV
DALLEAGIFG YINQLPYAVS TNPSVMPKAI FVSALRDKPL AADFEFEVKG QEEDFQTGLT
ALSKIARTYL GVGVGSSLEG MEHVEVNVFD GPCPAGNVGV QVNHIDPVNK GEVVWTIGDP
TVVLFIGRLF NKGQVDLTRT VSLCGSEVKN PAYVDMLVGE ELSTLLSNSY EADRSVRIIN
GNVLTGIPTT KEGFLGAHTS EITVIPEGND ADEMLGWILP RFKQFSVNRS YFSWLLGKKK
AYAPDARVKG GERHMIMSGE YDKVLPMDIY GEYLIKAIIA GDIDRQEALG IYEVAPEDFA
LAEFVDSSKL ELQRIVREGL NILRKENA
//
