ID   NU4C_NEPOL              Reviewed;         500 AA.
AC   Q9TKV8;
DT   05-DEC-2001, integrated into UniProtKB/Swiss-Prot.
DT   01-MAY-2000, sequence version 1.
DT   03-AUG-2022, entry version 71.
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   Nephroselmis olivacea (Green alga).
OG   Plastid; Chloroplast.
OC   Eukaryota; Viridiplantae; Chlorophyta; Nephroselmidophyceae;
OC   Nephroselmidales; Nephroselmidaceae; Nephroselmis.
OX   NCBI_TaxID=31312;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=NIES-484 / S-N-5-8;
RX   PubMed=10468594; DOI=10.1073/pnas.96.18.10248;
RA   Turmel M., Otis C., Lemieux C.;
RT   "The complete chloroplast DNA sequence of the green alga Nephroselmis
RT   olivacea: insights into the architecture of ancestral chloroplast
RT   genomes.";
RL   Proc. Natl. Acad. Sci. U.S.A. 96:10248-10253(1999).
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; AF137379; AAD54889.1; -; Genomic_DNA.
DR   RefSeq; NP_050918.1; NC_000927.1.
DR   AlphaFoldDB; Q9TKV8; -.
DR   SMR; Q9TKV8; -.
DR   GeneID; 801912; -.
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; 2.
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..500
FT                   /note="NAD(P)H-quinone oxidoreductase chain 4,
FT                   chloroplastic"
FT                   /id="PRO_0000118020"
FT   TRANSMEM        4..24
FT                   /note="Helical"
FT                   /evidence="ECO:0000255"
FT   TRANSMEM        32..52
FT                   /note="Helical"
FT                   /evidence="ECO:0000255"
FT   TRANSMEM        87..107
FT                   /note="Helical"
FT                   /evidence="ECO:0000255"
FT   TRANSMEM        113..133
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        211..231
FT                   /note="Helical"
FT                   /evidence="ECO:0000255"
FT   TRANSMEM        242..262
FT                   /note="Helical"
FT                   /evidence="ECO:0000255"
FT   TRANSMEM        274..294
FT                   /note="Helical"
FT                   /evidence="ECO:0000255"
FT   TRANSMEM        305..325
FT                   /note="Helical"
FT                   /evidence="ECO:0000255"
FT   TRANSMEM        330..350
FT                   /note="Helical"
FT                   /evidence="ECO:0000255"
FT   TRANSMEM        374..396
FT                   /note="Helical"
FT                   /evidence="ECO:0000255"
FT   TRANSMEM        417..437
FT                   /note="Helical"
FT                   /evidence="ECO:0000255"
FT   TRANSMEM        460..480
FT                   /note="Helical"
FT                   /evidence="ECO:0000255"
SQ   SEQUENCE   500 AA;  55390 MW;  31BB4F149B4F6D75 CRC64;
     MTHFPWLSTI VLFPLLASLA IPWLPDRKGT TVRWYALGVG LIDFSLIAYM FGRYYDFEQT
     SLQFVEDITW IDRLHLHWSL GVDGLSMPLV LLTGFITTLA TLAAWPVTKN PRLFYFLMLA
     MYTGQLGVFV VQDLLLFFLM WELELIPVYL LVSCWGGKKR LYAATKFILY TALGSIFILL
     GALTMPFMGI QGVTFDMSTL AYREYSLPVE ILLYTGFLIA YGVKLPAIPV HTWLPDTHGE
     AHYSTCMLLA GILLKMGGYA LIRINMNMLP HAHALFSPWL IGVGVVNIIY AALTSFAQRN
     LKRKIAYSSV SHMGFVLIGI GSLSEAGLNG AMLQMISHGL IGASLFFLAG TTYDRTRTLV
     LEEMGGLATF MPKTFALFTA CSLASLALPG MSGFFAELLV FLGLVTSEAY SPTFRAIMTV
     FEAIGILLTP IYLLSMLRQL FYGRSIGRPK ALIDAGPREV FVVSCLLVPI LGIGIYPKLA
     TAIYVNTTDH VVQHVLSALR