ID A0A1X7H854_9PROT Unreviewed; 122 AA.
AC A0A1X7H854;
DT 05-JUL-2017, integrated into UniProtKB/TrEMBL.
DT 05-JUL-2017, sequence version 1.
DT 24-JAN-2024, entry version 26.
DE RecName: Full=NADH-quinone oxidoreductase subunit A {ECO:0000256|HAMAP-Rule:MF_01394};
DE EC=7.1.1.- {ECO:0000256|HAMAP-Rule:MF_01394};
DE AltName: Full=NADH dehydrogenase I subunit A {ECO:0000256|HAMAP-Rule:MF_01394};
DE AltName: Full=NDH-1 subunit A {ECO:0000256|HAMAP-Rule:MF_01394};
DE AltName: Full=NUO1 {ECO:0000256|HAMAP-Rule:MF_01394};
GN Name=nuoA {ECO:0000256|HAMAP-Rule:MF_01394};
GN ORFNames=HUE56_13900 {ECO:0000313|EMBL:QKS51560.1}, SAMN02982917_5142
GN {ECO:0000313|EMBL:SMF81041.1};
OS Azospirillum oryzae.
OC Bacteria; Pseudomonadota; Alphaproteobacteria; Rhodospirillales;
OC Azospirillaceae; Azospirillum.
OX NCBI_TaxID=286727 {ECO:0000313|EMBL:SMF81041.1, ECO:0000313|Proteomes:UP000192936};
RN [1] {ECO:0000313|EMBL:SMF81041.1, ECO:0000313|Proteomes:UP000192936}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=A2P {ECO:0000313|EMBL:SMF81041.1,
RC ECO:0000313|Proteomes:UP000192936};
RA Afonso C.L., Miller P.J., Scott M.A., Spackman E., Goraichik I.,
RA Dimitrov K.M., Suarez D.L., Swayne D.E.;
RL Submitted (APR-2017) to the EMBL/GenBank/DDBJ databases.
RN [2] {ECO:0000313|EMBL:QKS51560.1, ECO:0000313|Proteomes:UP000509702}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=KACC 14407 {ECO:0000313|EMBL:QKS51560.1,
RC ECO:0000313|Proteomes:UP000509702};
RA Kim M., Park Y.-J., Shin J.-H.;
RT "Complete genome of Azosprillum oryzae KACC14407.";
RL Submitted (JUN-2020) 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:0000256|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:0000256|HAMAP-Rule:MF_01394,
CC ECO:0000256|RuleBase:RU003639};
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:0000256|HAMAP-Rule:MF_01394}.
CC -!- SUBCELLULAR LOCATION: Cell membrane {ECO:0000256|HAMAP-Rule:MF_01394,
CC ECO:0000256|RuleBase:RU003639}; Multi-pass membrane protein
CC {ECO:0000256|HAMAP-Rule:MF_01394, ECO:0000256|RuleBase:RU003639}.
CC -!- SIMILARITY: Belongs to the complex I subunit 3 family.
CC {ECO:0000256|ARBA:ARBA00008472, ECO:0000256|HAMAP-Rule:MF_01394,
CC ECO:0000256|RuleBase:RU003639}.
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DR EMBL; CP054619; QKS51560.1; -; Genomic_DNA.
DR EMBL; FXAK01000007; SMF81041.1; -; Genomic_DNA.
DR RefSeq; WP_045580751.1; NZ_VTTM01000002.1.
DR AlphaFoldDB; A0A1X7H854; -.
DR STRING; 286727.SAMN02982917_5142; -.
DR KEGG; aoz:HUE56_13900; -.
DR OrthoDB; 9791970at2; -.
DR Proteomes; UP000192936; Unassembled WGS sequence.
DR Proteomes; UP000509702; Chromosome.
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; NADH:ubiquinone/plastoquinone oxidoreductase, chain 3; 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; NADH-UBIQUINONE OXIDOREDUCTASE CHAIN 3; 1.
DR PANTHER; PTHR11058:SF9; NADH-UBIQUINONE OXIDOREDUCTASE CHAIN 3; 1.
DR Pfam; PF00507; Oxidored_q4; 1.
PE 3: Inferred from homology;
KW Cell membrane {ECO:0000256|HAMAP-Rule:MF_01394};
KW Membrane {ECO:0000256|ARBA:ARBA00023136, ECO:0000256|HAMAP-Rule:MF_01394};
KW NAD {ECO:0000256|HAMAP-Rule:MF_01394, ECO:0000256|RuleBase:RU003639};
KW Quinone {ECO:0000256|HAMAP-Rule:MF_01394, ECO:0000256|RuleBase:RU003639};
KW Translocase {ECO:0000256|HAMAP-Rule:MF_01394};
KW Transmembrane {ECO:0000256|ARBA:ARBA00022692, ECO:0000256|HAMAP-
KW Rule:MF_01394};
KW Transmembrane helix {ECO:0000256|ARBA:ARBA00022989, ECO:0000256|HAMAP-
KW Rule:MF_01394};
KW Transport {ECO:0000256|ARBA:ARBA00022448, ECO:0000256|HAMAP-Rule:MF_01394};
KW Ubiquinone {ECO:0000256|HAMAP-Rule:MF_01394}.
FT TRANSMEM 12..33
FT /note="Helical"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01394"
FT TRANSMEM 64..85
FT /note="Helical"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01394"
FT TRANSMEM 91..112
FT /note="Helical"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01394"
SQ SEQUENCE 122 AA; 13828 MW; 200558C233A25050 CRC64;
MSTPLIIEYL PILVFLLIGI ALAAVMVGAS YVISPKNPDA EKVSPYECGF EPFEDARTKF
DVRFYLVSIL FIIFDLEVAF LFPWAVALGD IGLFGFWSMM LFLGILTIGF IYEWKKGALE
WE
//