NDHH_TRIV2
ID NDHH_TRIV2 Reviewed; 394 AA.
AC Q3M880;
DT 05-MAY-2009, integrated into UniProtKB/Swiss-Prot.
DT 25-OCT-2005, sequence version 1.
DT 25-MAY-2022, entry version 95.
DE RecName: Full=NAD(P)H-quinone oxidoreductase subunit H {ECO:0000255|HAMAP-Rule:MF_01358};
DE EC=7.1.1.- {ECO:0000255|HAMAP-Rule:MF_01358};
DE AltName: Full=NAD(P)H dehydrogenase subunit H;
DE AltName: Full=NADH-plastoquinone oxidoreductase subunit H {ECO:0000255|HAMAP-Rule:MF_01358};
DE AltName: Full=NDH-1 subunit H {ECO:0000255|HAMAP-Rule:MF_01358};
DE Short=NDH-H {ECO:0000255|HAMAP-Rule:MF_01358};
GN Name=ndhH {ECO:0000255|HAMAP-Rule:MF_01358}; OrderedLocusNames=Ava_3198;
OS Trichormus variabilis (strain ATCC 29413 / PCC 7937) (Anabaena variabilis).
OC Bacteria; Cyanobacteria; Nostocales; Nostocaceae; Trichormus.
OX NCBI_TaxID=240292;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC 29413 / PCC 7937;
RX PubMed=25197444; DOI=10.4056/sigs.3899418;
RA Thiel T., Pratte B.S., Zhong J., Goodwin L., Copeland A., Lucas S., Han C.,
RA Pitluck S., Land M.L., Kyrpides N.C., Woyke T.;
RT "Complete genome sequence of Anabaena variabilis ATCC 29413.";
RL Stand. Genomic Sci. 9:562-573(2014).
CC -!- FUNCTION: NDH-1 shuttles electrons from an unknown electron donor, via
CC FMN and iron-sulfur (Fe-S) centers, to quinones in the respiratory
CC and/or the photosynthetic chain. The immediate electron acceptor for
CC the enzyme in this species is believed to be plastoquinone. Couples the
CC redox reaction to proton translocation, and thus conserves the redox
CC energy in a proton gradient. Cyanobacterial NDH-1 also plays a role in
CC inorganic carbon-concentration. {ECO:0000255|HAMAP-Rule:MF_01358}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=a plastoquinone + (n+1) H(+)(in) + NADH = a plastoquinol + n
CC H(+)(out) + NAD(+); Xref=Rhea:RHEA:42608, Rhea:RHEA-COMP:9561,
CC Rhea:RHEA-COMP:9562, ChEBI:CHEBI:15378, ChEBI:CHEBI:17757,
CC ChEBI:CHEBI:57540, ChEBI:CHEBI:57945, ChEBI:CHEBI:62192;
CC Evidence={ECO:0000255|HAMAP-Rule:MF_01358};
CC -!- CATALYTIC ACTIVITY:
CC Reaction=a plastoquinone + (n+1) H(+)(in) + NADPH = a plastoquinol + n
CC H(+)(out) + NADP(+); Xref=Rhea:RHEA:42612, Rhea:RHEA-COMP:9561,
CC Rhea:RHEA-COMP:9562, ChEBI:CHEBI:15378, ChEBI:CHEBI:17757,
CC ChEBI:CHEBI:57783, ChEBI:CHEBI:58349, ChEBI:CHEBI:62192;
CC Evidence={ECO:0000255|HAMAP-Rule:MF_01358};
CC -!- SUBUNIT: NDH-1 can be composed of about 15 different subunits;
CC different subcomplexes with different compositions have been identified
CC which probably have different functions. {ECO:0000255|HAMAP-
CC Rule:MF_01358}.
CC -!- SUBCELLULAR LOCATION: Cellular thylakoid membrane {ECO:0000255|HAMAP-
CC Rule:MF_01358}; Peripheral membrane protein {ECO:0000255|HAMAP-
CC Rule:MF_01358}; Cytoplasmic side {ECO:0000255|HAMAP-Rule:MF_01358}.
CC -!- SIMILARITY: Belongs to the complex I 49 kDa subunit family.
CC {ECO:0000255|HAMAP-Rule:MF_01358}.
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DR EMBL; CP000117; ABA22806.1; -; Genomic_DNA.
DR AlphaFoldDB; Q3M880; -.
DR SMR; Q3M880; -.
DR STRING; 240292.Ava_3198; -.
DR EnsemblBacteria; ABA22806; ABA22806; Ava_3198.
DR KEGG; ava:Ava_3198; -.
DR eggNOG; COG0649; Bacteria.
DR HOGENOM; CLU_015134_1_2_3; -.
DR OMA; IMGTSME; -.
DR Proteomes; UP000002533; Chromosome.
DR GO; GO:0031676; C:plasma membrane-derived thylakoid membrane; IEA:UniProtKB-SubCell.
DR GO; GO:0051287; F:NAD binding; IEA:InterPro.
DR GO; GO:0016655; F:oxidoreductase activity, acting on NAD(P)H, quinone or similar compound as acceptor; IEA:UniProtKB-UniRule.
DR GO; GO:0048038; F:quinone binding; IEA:UniProtKB-KW.
DR GO; GO:0019684; P:photosynthesis, light reaction; IEA:UniProtKB-UniRule.
DR Gene3D; 1.10.645.10; -; 1.
DR HAMAP; MF_01358; NDH1_NuoD; 1.
DR InterPro; IPR001135; NADH_Q_OxRdtase_suD.
DR InterPro; IPR014029; NADH_UbQ_OxRdtase_49kDa_CS.
DR InterPro; IPR022885; NDH1_su_D/H.
DR InterPro; IPR029014; NiFe-Hase_large.
DR PANTHER; PTHR11993; PTHR11993; 1.
DR Pfam; PF00346; Complex1_49kDa; 1.
DR SUPFAM; SSF56762; SSF56762; 1.
DR TIGRFAMs; TIGR01962; NuoD; 1.
DR PROSITE; PS00535; COMPLEX1_49K; 1.
PE 3: Inferred from homology;
KW Membrane; NAD; NADP; Plastoquinone; Quinone; Thylakoid; Translocase;
KW Transport.
FT CHAIN 1..394
FT /note="NAD(P)H-quinone oxidoreductase subunit H"
FT /id="PRO_0000371815"
SQ SEQUENCE 394 AA; 45242 MW; 31828100C58D3B4A CRC64;
MARIETRTEP MVLNMGPHHP SMHGVLRLIV TLDGEDVVDC EPVIGYLHRG MEKIAENRTT
VMYVPYVSRW DYAAGMFNEA VTVNAPEKLA GVAVPKRASY IRVIMLELNR IANHLLWFGP
FLADVGAQTP FFYQFREREM IYDLWEAATG YRMVNNNYFR VGGVAADLPY GWVDKCLEFC
DYFLPVVDEY EKLVTNNPIF RRRIEGIGTI SREEAINWGL SGPMLRASGV KWDLRKVDHY
ESYDDFDWDV QWETAGDCLA RYTVRMREMR ESVKIIKQAI KGLPGGPYEN LEAKRLIAGK
KSEWDAFDYQ YIGKKVSPTF KMPKGEIYAR VESGKGELGI YLIGDDNVFP WRWKIRPADF
NNLQILPHLL RGMKVADIVV ILGSIDVIMG SVDR