ID   NDHH_LEPVR              Reviewed;         393 AA.
AC   A4QLG5;
DT   16-DEC-2008, integrated into UniProtKB/Swiss-Prot.
DT   15-MAY-2007, sequence version 1.
DT   02-SEP-2026, entry version 63.
DE   RecName: Full=NAD(P)H-quinone oxidoreductase subunit H, chloroplastic {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 49 kDa subunit {ECO:0000255|HAMAP-Rule:MF_01358};
DE   AltName: Full=NADH-plastoquinone oxidoreductase subunit H {ECO:0000255|HAMAP-Rule:MF_01358};
GN   Name=ndhH {ECO:0000255|HAMAP-Rule:MF_01358};
OS   Lepidium virginicum (Virginia pepperweed).
OG   Plastid; Chloroplast.
OC   Eukaryota; Viridiplantae; Streptophyta; Embryophyta; Tracheophyta;
OC   Spermatophyta; Magnoliopsida; eudicotyledons; Gunneridae; Pentapetalae;
OC   rosids; malvids; Brassicales; Brassicaceae; Lepidieae; Lepidium.
OX   NCBI_TaxID=59292;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RA   Hosouchi T., Tsuruoka H., Kotani H.;
RT   "Sequencing analysis of Lepidium virginicum JO26 chloroplast DNA.";
RL   Submitted (MAR-2007) to the EMBL/GenBank/DDBJ databases.
CC   -!- FUNCTION: NDH shuttles electrons from NAD(P)H:plastoquinone, via FMN
CC       and iron-sulfur (Fe-S) centers, to quinones in the photosynthetic chain
CC       and possibly in a chloroplast respiratory chain. The immediate electron
CC       acceptor for the enzyme in this species is believed to be
CC       plastoquinone. Couples the redox reaction to proton translocation, and
CC       thus conserves the redox energy in a proton gradient.
CC       {ECO:0000255|HAMAP-Rule:MF_01358}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=a plastoquinone + NADH + (n+1) H(+)(in) = a plastoquinol +
CC         NAD(+) + n H(+)(out); 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 + NADPH + (n+1) H(+)(in) = a plastoquinol +
CC         NADP(+) + n H(+)(out); 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 is composed of at least 16 different subunits, 5 of which
CC       are encoded in the nucleus. {ECO:0000255|HAMAP-Rule:MF_01358}.
CC   -!- SUBCELLULAR LOCATION: Plastid, chloroplast thylakoid membrane
CC       {ECO:0000255|HAMAP-Rule:MF_01358}; Peripheral membrane protein
CC       {ECO:0000255|HAMAP-Rule:MF_01358}; Stromal side {ECO:0000255|HAMAP-
CC       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; AP009374; BAF50520.1; -; Genomic_DNA.
DR   RefSeq; YP_001123695.1; NC_009273.1.
DR   AlphaFoldDB; A4QLG5; -.
DR   SMR; A4QLG5; -.
DR   GeneID; 4962058; -.
DR   GO; GO:0009535; C:chloroplast 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:InterPro.
DR   GO; GO:0019684; P:photosynthesis, light reaction; IEA:UniProtKB-UniRule.
DR   FunFam; 1.10.645.10:FF:000003; NAD(P)H-quinone oxidoreductase subunit H, chloroplastic; 1.
DR   Gene3D; 1.10.645.10; Cytochrome-c3 Hydrogenase, chain B; 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   NCBIfam; NF004739; PRK06075.1; 1.
DR   NCBIfam; NF005649; PRK07415.1; 1.
DR   PANTHER; PTHR11993:SF10; NADH DEHYDROGENASE [UBIQUINONE] IRON-SULFUR PROTEIN 2, MITOCHONDRIAL; 1.
DR   PANTHER; PTHR11993; NADH-UBIQUINONE OXIDOREDUCTASE 49 KDA SUBUNIT; 1.
DR   Pfam; PF00346; Complex1_49kDa; 1.
DR   SUPFAM; SSF56762; HydB/Nqo4-like; 1.
DR   PROSITE; PS00535; COMPLEX1_49K; 1.
PE   3: Inferred from homology;
KW   Chloroplast; Membrane; NAD; NADP; Plastid; Plastoquinone; Quinone;
KW   Thylakoid; Translocase; Transport.
FT   CHAIN           1..393
FT                   /note="NAD(P)H-quinone oxidoreductase subunit H,
FT                   chloroplastic"
FT                   /id="PRO_0000358000"
SQ   SEQUENCE   393 AA;  45505 MW;  89E8287261A853BA CRC64;
     MKRPVTGKDL MIVNMGPHHP SMHGVLRLIV TLDGEDVVDC EPILGYLHRG MEKIAENRAI
     IQYLPYVTRW DYLATMFTEA ITVNGPEQLG NIQVPKRASY IRVIMLELSR IASHLLWLGP
     FMADIGAQTP FFYIFREREF VYDLFEAATG MRMMHNFFRI GGIAADLPYG WIDKCLDFCD
     YFLTEVVEYQ KLITRNPIFL ERVEGVGIIG GEEAINWGLS GPMLRASGIP WDLRKVDRYE
     SYDEFEWEIQ WQKQGDSLAR YLVRLSEMTE SIKIIQQALE GLPGGPYENL ESRSFDRKRN
     PEWNDFDYRF ISKKPSPTFE LSKQELYVRV EAPKGELGIF LIGDQSGFPW RWKIRPPGFI
     NLQILPELVK RMKLADIMTI LGSIDIIMGE VDR
//