ID   NU4C_MESVI              Reviewed;         507 AA.
AC   Q9MUM8;
DT   20-JUN-2001, integrated into UniProtKB/Swiss-Prot.
DT   01-OCT-2000, sequence version 1.
DT   03-AUG-2022, entry version 67.
DE   RecName: Full=NAD(P)H-quinone oxidoreductase chain 4, chloroplastic;
DE            EC=7.1.1.-;
DE   AltName: Full=NAD(P)H dehydrogenase, chain 4;
DE   AltName: Full=NADH-plastoquinone oxidoreductase chain 4;
GN   Name=ndhD;
OS   Mesostigma viride (Green alga).
OG   Plastid; Chloroplast.
OC   Eukaryota; Viridiplantae; Streptophyta; Mesostigmatophyceae;
OC   Mesostigmatales; Mesostigmataceae; Mesostigma.
OX   NCBI_TaxID=41882;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=NIES-296 / KY-14 / CCMP 2046;
RX   PubMed=10688199; DOI=10.1038/35001059;
RA   Lemieux C., Otis C., Turmel M.;
RT   "Ancestral chloroplast genome in Mesostigma viride reveals an early branch
RT   of green plant evolution.";
RL   Nature 403:649-652(2000).
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   -!- 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   -!- SUBCELLULAR LOCATION: Plastid, chloroplast thylakoid membrane
CC       {ECO:0000305}; Multi-pass membrane protein {ECO:0000305}.
CC   -!- SIMILARITY: Belongs to the complex I subunit 4 family. {ECO:0000305}.
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DR   EMBL; AF166114; AAF43872.1; -; Genomic_DNA.
DR   RefSeq; NP_038432.1; NC_002186.1.
DR   AlphaFoldDB; Q9MUM8; -.
DR   SMR; Q9MUM8; -.
DR   GeneID; 800977; -.
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:0042773; P:ATP synthesis coupled electron transport; IEA:InterPro.
DR   HAMAP; MF_00491; NDH1_NuoM; 1.
DR   InterPro; IPR022997; NADH_Q_OxRdtase_chain4.
DR   InterPro; IPR010227; NADH_Q_OxRdtase_chainM/4.
DR   InterPro; IPR003918; NADH_UbQ_OxRdtase.
DR   InterPro; IPR001750; ND/Mrp_mem.
DR   PANTHER; PTHR43507; PTHR43507; 1.
DR   Pfam; PF00361; Proton_antipo_M; 1.
DR   PRINTS; PR01437; NUOXDRDTASE4.
DR   TIGRFAMs; TIGR01972; NDH_I_M; 1.
PE   3: Inferred from homology;
KW   Chloroplast; Membrane; NAD; NADP; Plastid; Plastoquinone; Quinone;
KW   Thylakoid; Translocase; Transmembrane; Transmembrane helix.
FT   CHAIN           1..507
FT                   /note="NAD(P)H-quinone oxidoreductase chain 4,
FT                   chloroplastic"
FT                   /id="PRO_0000118019"
FT   TRANSMEM        4..24
FT                   /note="Helical"
FT                   /evidence="ECO:0000255"
FT   TRANSMEM        34..54
FT                   /note="Helical"
FT                   /evidence="ECO:0000255"
FT   TRANSMEM        87..107
FT                   /note="Helical"
FT                   /evidence="ECO:0000255"
FT   TRANSMEM        111..131
FT                   /note="Helical"
FT                   /evidence="ECO:0000255"
FT   TRANSMEM        134..154
FT                   /note="Helical"
FT                   /evidence="ECO:0000255"
FT   TRANSMEM        167..187
FT                   /note="Helical"
FT                   /evidence="ECO:0000255"
FT   TRANSMEM        210..230
FT                   /note="Helical"
FT                   /evidence="ECO:0000255"
FT   TRANSMEM        241..261
FT                   /note="Helical"
FT                   /evidence="ECO:0000255"
FT   TRANSMEM        273..293
FT                   /note="Helical"
FT                   /evidence="ECO:0000255"
FT   TRANSMEM        312..332
FT                   /note="Helical"
FT                   /evidence="ECO:0000255"
FT   TRANSMEM        333..353
FT                   /note="Helical"
FT                   /evidence="ECO:0000255"
FT   TRANSMEM        383..403
FT                   /note="Helical"
FT                   /evidence="ECO:0000255"
FT   TRANSMEM        416..436
FT                   /note="Helical"
FT                   /evidence="ECO:0000255"
FT   TRANSMEM        462..482
FT                   /note="Helical"
FT                   /evidence="ECO:0000255"
SQ   SEQUENCE   507 AA;  56901 MW;  5B8A2164EB37FC61 CRC64;
     MNNFPWITSI VMLPILAGLL IPFIPDENGK NVRWYALGIG LLDFLLISYI FGYKYNIQDT
     SLQLIDDYEW ISSINFHWRL GIDGLSIPLI LLTGFITTLA MLGAWPIQKN AKLFYFLMLA
     MYSGQLGVFA SQDLLLFFLM WELELIPIYI LLIIWGGKKR LYAATKFILY TALGSIFILI
     AAFGMAFYGE NMSFDMQILG EKEYPINLEI LFYICFLIAY AVKLPAFPVH TWLPDTHGEA
     HYSTCMLLAG ILLKMGGYAL IRINMNMLPN AHIYFAPYLA IIGVINIIYA ALTSFAQRNI
     KRKIAYSSIS HMGFVLIGIS SFTDIGLSGA MLQMVSHGLI GASLFFLAGT TYDRTRTLIL
     EDMGGIAKYM PKIFAMFTTC SLASLALPGM SGFVAELMVF LGFANSNAYS IEFRGIITFL
     EAIGIIVTPI YLLSMLRQVF YGSENLKLLK VNNLIDASAR EIFIISCLLV PVIGIGIYPR
     ILTQIYDLKT NAIIEHLEII RSNSQIM