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NUOA_ROSCS
ID   NUOA_ROSCS              Reviewed;         118 AA.
AC   A7NL04;
DT   10-FEB-2009, integrated into UniProtKB/Swiss-Prot.
DT   02-OCT-2007, sequence version 1.
DT   25-MAY-2022, entry version 76.
DE   RecName: Full=NADH-quinone oxidoreductase subunit A {ECO:0000255|HAMAP-Rule:MF_01394};
DE            EC=7.1.1.- {ECO:0000255|HAMAP-Rule:MF_01394};
DE   AltName: Full=NADH dehydrogenase I subunit A {ECO:0000255|HAMAP-Rule:MF_01394};
DE   AltName: Full=NDH-1 subunit A {ECO:0000255|HAMAP-Rule:MF_01394};
DE   AltName: Full=NUO1 {ECO:0000255|HAMAP-Rule:MF_01394};
GN   Name=nuoA {ECO:0000255|HAMAP-Rule:MF_01394}; OrderedLocusNames=Rcas_2088;
OS   Roseiflexus castenholzii (strain DSM 13941 / HLO8).
OC   Bacteria; Chloroflexi; Chloroflexia; Chloroflexales; Roseiflexineae;
OC   Roseiflexaceae; Roseiflexus.
OX   NCBI_TaxID=383372;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=DSM 13941 / HLO8;
RG   US DOE Joint Genome Institute;
RA   Copeland A., Lucas S., Lapidus A., Barry K., Glavina del Rio T., Dalin E.,
RA   Tice H., Pitluck S., Thompson L.S., Brettin T., Bruce D., Detter J.C.,
RA   Han C., Tapia R., Schmutz J., Larimer F., Land M., Hauser L., Kyrpides N.,
RA   Mikhailova N., Bryant D.A., Hanada S., Tsukatani Y., Richardson P.;
RT   "Complete sequence of Roseiflexus castenholzii DSM 13941.";
RL   Submitted (AUG-2007) to the EMBL/GenBank/DDBJ databases.
CC   -!- FUNCTION: NDH-1 shuttles electrons from NADH, via FMN and iron-sulfur
CC       (Fe-S) centers, to quinones in the respiratory chain. The immediate
CC       electron acceptor for the enzyme in this species is believed to be
CC       ubiquinone. Couples the redox reaction to proton translocation (for
CC       every two electrons transferred, four hydrogen ions are translocated
CC       across the cytoplasmic membrane), and thus conserves the redox energy
CC       in a proton gradient. {ECO:0000255|HAMAP-Rule:MF_01394}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=a quinone + 5 H(+)(in) + NADH = a quinol + 4 H(+)(out) +
CC         NAD(+); Xref=Rhea:RHEA:57888, ChEBI:CHEBI:15378, ChEBI:CHEBI:24646,
CC         ChEBI:CHEBI:57540, ChEBI:CHEBI:57945, ChEBI:CHEBI:132124;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_01394};
CC   -!- SUBUNIT: NDH-1 is composed of 14 different subunits. Subunits NuoA, H,
CC       J, K, L, M, N constitute the membrane sector of the complex.
CC       {ECO:0000255|HAMAP-Rule:MF_01394}.
CC   -!- SUBCELLULAR LOCATION: Cell membrane {ECO:0000255|HAMAP-Rule:MF_01394};
CC       Multi-pass membrane protein {ECO:0000255|HAMAP-Rule:MF_01394}.
CC   -!- SIMILARITY: Belongs to the complex I subunit 3 family.
CC       {ECO:0000255|HAMAP-Rule:MF_01394}.
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DR   EMBL; CP000804; ABU58174.1; -; Genomic_DNA.
DR   RefSeq; WP_012120598.1; NC_009767.1.
DR   AlphaFoldDB; A7NL04; -.
DR   SMR; A7NL04; -.
DR   STRING; 383372.Rcas_2088; -.
DR   EnsemblBacteria; ABU58174; ABU58174; Rcas_2088.
DR   KEGG; rca:Rcas_2088; -.
DR   eggNOG; COG0838; Bacteria.
DR   HOGENOM; CLU_119549_3_1_0; -.
DR   OMA; CGVDPVG; -.
DR   OrthoDB; 1748431at2; -.
DR   Proteomes; UP000000263; 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:0008137; F:NADH dehydrogenase (ubiquinone) activity; IEA:InterPro.
DR   GO; GO:0048038; F:quinone binding; IEA:UniProtKB-KW.
DR   Gene3D; 1.20.58.1610; -; 1.
DR   HAMAP; MF_01394; NDH1_NuoA; 1.
DR   InterPro; IPR023043; NAD(P)H_OxRDtase_bac/plastid.
DR   InterPro; IPR000440; NADH_UbQ/plastoQ_OxRdtase_su3.
DR   InterPro; IPR038430; NDAH_ubi_oxred_su3_sf.
DR   PANTHER; PTHR11058; PTHR11058; 1.
DR   Pfam; PF00507; Oxidored_q4; 1.
PE   3: Inferred from homology;
KW   Cell membrane; Membrane; NAD; Quinone; Translocase; Transmembrane;
KW   Transmembrane helix; Transport; Ubiquinone.
FT   CHAIN           1..118
FT                   /note="NADH-quinone oxidoreductase subunit A"
FT                   /id="PRO_0000362761"
FT   TRANSMEM        6..26
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01394"
FT   TRANSMEM        62..82
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01394"
FT   TRANSMEM        87..107
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01394"
SQ   SEQUENCE   118 AA;  13267 MW;  CBE1C04C3763E098 CRC64;
     MLADYAFIGV FFIGAVIFPL VPLVAAYFLG PKRPTPIKLD TYECGLEAVG DIRVQFKIQY
     YLYALAFVIF DIEVVFLYPW AVAYGQIGLF ALIAMAIFLV ILVGGLVYEW KKGALEWV
 
 
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