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NU3C_PSINU
ID   NU3C_PSINU              Reviewed;         120 AA.
AC   Q8WI13;
DT   10-FEB-2009, integrated into UniProtKB/Swiss-Prot.
DT   01-MAR-2002, sequence version 1.
DT   25-MAY-2022, entry version 66.
DE   RecName: Full=NAD(P)H-quinone oxidoreductase subunit 3, chloroplastic {ECO:0000255|HAMAP-Rule:MF_01394};
DE            EC=7.1.1.- {ECO:0000255|HAMAP-Rule:MF_01394};
DE   AltName: Full=NAD(P)H dehydrogenase subunit 3 {ECO:0000255|HAMAP-Rule:MF_01394};
DE   AltName: Full=NADH-plastoquinone oxidoreductase subunit 3 {ECO:0000255|HAMAP-Rule:MF_01394};
GN   Name=ndhC {ECO:0000255|HAMAP-Rule:MF_01394};
OS   Psilotum nudum (Whisk fern) (Lycopodium nudum).
OG   Plastid; Chloroplast.
OC   Eukaryota; Viridiplantae; Streptophyta; Embryophyta; Tracheophyta;
OC   Polypodiopsida; Ophioglossidae; Psilotales; Psilotaceae; Psilotum.
OX   NCBI_TaxID=3240;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=Kingyoku;
RX   PubMed=15240838; DOI=10.1093/molbev/msh203;
RA   Nishiyama T., Wolf P.G., Kugita M., Sinclair R.B., Sugita M., Sugiura C.,
RA   Wakasugi T., Yamada K., Yoshinaga K., Yamaguchi K., Ueda K., Hasebe M.;
RT   "Chloroplast phylogeny indicates that bryophytes are monophyletic.";
RL   Mol. Biol. Evol. 21:1813-1819(2004).
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_01394}.
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_01394};
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_01394};
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_01394}.
CC   -!- SUBCELLULAR LOCATION: Plastid, chloroplast thylakoid membrane
CC       {ECO:0000255|HAMAP-Rule:MF_01394}; Multi-pass membrane protein
CC       {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; AP004638; BAB84221.1; -; Genomic_DNA.
DR   RefSeq; NP_569634.1; NC_003386.1.
DR   AlphaFoldDB; Q8WI13; -.
DR   SMR; Q8WI13; -.
DR   GeneID; 2545117; -.
DR   GO; GO:0009535; C:chloroplast thylakoid membrane; IEA:UniProtKB-SubCell.
DR   GO; GO:0016021; C:integral component of membrane; IEA:UniProtKB-KW.
DR   GO; GO:0008137; F:NADH dehydrogenase (ubiquinone) activity; IEA:InterPro.
DR   GO; GO:0048038; F:quinone binding; IEA:UniProtKB-KW.
DR   GO; GO:0019684; P:photosynthesis, light reaction; IEA:UniProtKB-UniRule.
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   Chloroplast; Membrane; NAD; NADP; Plastid; Plastoquinone; Quinone;
KW   Thylakoid; Translocase; Transmembrane; Transmembrane helix; Transport.
FT   CHAIN           1..120
FT                   /note="NAD(P)H-quinone oxidoreductase subunit 3,
FT                   chloroplastic"
FT                   /id="PRO_0000362870"
FT   TRANSMEM        7..27
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01394"
FT   TRANSMEM        64..84
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01394"
FT   TRANSMEM        89..109
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01394"
SQ   SEQUENCE   120 AA;  14117 MW;  F9C33CD43B750EE6 CRC64;
     MFMLPKYQTF WVFIMISSLI PLLALLISRL LAPVSKGPEK MTSYESGIEP MGDAWIQFQI
     RYYSFALVFV IFDVETVFLY PWAMSFYELG IFAFIEALIF VFILIIGLVY AWRKRALEWS
 
 
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