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NUOA_RHOPT
ID   NUOA_RHOPT              Reviewed;         129 AA.
AC   B3Q6T5;
DT   10-FEB-2009, integrated into UniProtKB/Swiss-Prot.
DT   02-SEP-2008, sequence version 1.
DT   03-AUG-2022, entry version 71.
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=Rpal_4743;
OS   Rhodopseudomonas palustris (strain TIE-1).
OC   Bacteria; Proteobacteria; Alphaproteobacteria; Hyphomicrobiales;
OC   Bradyrhizobiaceae; Rhodopseudomonas.
OX   NCBI_TaxID=395960;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=TIE-1;
RG   US DOE Joint Genome Institute;
RA   Lucas S., Copeland A., Lapidus A., Glavina del Rio T., Dalin E., Tice H.,
RA   Pitluck S., Chain P., Malfatti S., Shin M., Vergez L., Lang D., Schmutz J.,
RA   Larimer F., Land M., Hauser L., Kyrpides N., Mikhailova N., Emerson D.,
RA   Newman D.K., Roden E., Richardson P.;
RT   "Complete sequence of Rhodopseudomonas palustris TIE-1.";
RL   Submitted (MAY-2008) 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 inner membrane {ECO:0000255|HAMAP-
CC       Rule:MF_01394}; Multi-pass membrane protein {ECO:0000255|HAMAP-
CC       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; CP001096; ACF03234.1; -; Genomic_DNA.
DR   RefSeq; WP_011159799.1; NC_011004.1.
DR   AlphaFoldDB; B3Q6T5; -.
DR   SMR; B3Q6T5; -.
DR   EnsemblBacteria; ACF03234; ACF03234; Rpal_4743.
DR   GeneID; 66895390; -.
DR   KEGG; rpt:Rpal_4743; -.
DR   HOGENOM; CLU_119549_2_1_5; -.
DR   OMA; CGVDPVG; -.
DR   OrthoDB; 1748431at2; -.
DR   BioCyc; RPAL395960:RPAL_RS23480-MON; -.
DR   Proteomes; UP000001725; 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 inner membrane; Cell membrane; Membrane; NAD; Quinone; Translocase;
KW   Transmembrane; Transmembrane helix; Transport; Ubiquinone.
FT   CHAIN           1..129
FT                   /note="NADH-quinone oxidoreductase subunit A"
FT                   /id="PRO_0000362760"
FT   TRANSMEM        14..34
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01394"
FT   TRANSMEM        67..87
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01394"
FT   TRANSMEM        95..115
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01394"
SQ   SEQUENCE   129 AA;  13690 MW;  D8BA0958AEBF605A CRC64;
     MGDLTLPINS GAALAIHVAL SAGIVAAIIV VAAWLREKRS GARPDVPYEG GVLPAQPQQG
     PLNAPYFLIA ALFVIFDMEA AILFAWAVAA RDAGWLGLIE AAVFIGVLLL ALVYLWLDGA
     LDWVKGKRR
 
 
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