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RecName: Full=NAD(P)H-quinone oxidoreductase subunit K, chloroplastic; AltName: Full=NAD(P)H dehydrogenase subunit K; AltName: Full=NADH-plastoquinone oxidoreductase subunit K

UniProtKB/Swiss-Prot: Q9M3M0.3

Identical Proteins FASTA Graphics 

LOCUS       NDHK_SPIOL               227 aa            linear   PLN 27-NOV-2024
DEFINITION  RecName: Full=NAD(P)H-quinone oxidoreductase subunit K,
            chloroplastic; AltName: Full=NAD(P)H dehydrogenase subunit K;
            AltName: Full=NADH-plastoquinone oxidoreductase subunit K.
ACCESSION   Q9M3M0
VERSION     Q9M3M0.3
DBSOURCE    UniProtKB: locus NDHK_SPIOL, accession Q9M3M0;
            class: standard.
            created: Aug 29, 2001.
            sequence updated: Dec 16, 2008.
            annotation updated: Nov 27, 2024.
            xrefs: AJ400848.1, CAB88733.1, NP_054940.3
            xrefs (non-sequence databases): AlphaFoldDB:Q9M3M0, SMR:Q9M3M0,
            STRING:3562.Q9M3M0, GeneID:2715596, KEGG:soe:2715596,
            InParanoid:Q9M3M0, OrthoDB:33762at2759, Proteomes:UP001155700,
            GO:0009535, GO:0045271, GO:0051539, GO:0005506, GO:0008137,
            GO:0048038, GO:0009060, GO:0015990, GO:0019684,
            FunFam:3.40.50.12280:FF:000003, Gene3D:3.40.50.12280,
            HAMAP:MF_01356, InterPro:IPR006137, InterPro:IPR006138,
            NCBIfam:TIGR01957, PANTHER:PTHR11995, PANTHER:PTHR11995:SF14,
            Pfam:PF01058, SUPFAM:SSF56770, PROSITE:PS01150
KEYWORDS    4Fe-4S; Chloroplast; Iron; Iron-sulfur; Membrane; Metal-binding;
            NAD; NADP; Plastid; Plastoquinone; Quinone; Reference proteome;
            Thylakoid; Translocase; Transport.
SOURCE      chloroplast Spinacia oleracea (spinach)
  ORGANISM  Spinacia oleracea
            Eukaryota; Viridiplantae; Streptophyta; Embryophyta; Tracheophyta;
            Spermatophyta; Magnoliopsida; eudicotyledons; Gunneridae;
            Pentapetalae; Caryophyllales; Chenopodiaceae; Chenopodioideae;
            Anserineae; Spinacia.
REFERENCE   1  (residues 1 to 227)
  AUTHORS   Schmitz-Linneweber,C., Maier,R.M., Alcaraz,J.P., Cottet,A.,
            Herrmann,R.G. and Mache,R.
  TITLE     The plastid chromosome of spinach (Spinacia oleracea): complete
            nucleotide sequence and gene organization
  JOURNAL   Plant Mol Biol 45 (3), 307-315 (2001)
   PUBMED   11292076
  REMARK    NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].;
            STRAIN=cv. Geant d'hiver, and cv. Monatol
COMMENT     On Dec 19, 2008 this sequence version replaced Q9M3M0.2.
            [FUNCTION] NDH shuttles electrons from NAD(P)H:plastoquinone, via
            FMN and iron-sulfur (Fe-S) centers, to quinones in the
            photosynthetic chain and possibly in a chloroplast respiratory
            chain. The immediate electron acceptor for the enzyme in this
            species is believed to be plastoquinone. Couples the redox reaction
            to proton translocation, and thus conserves the redox energy in a
            proton gradient. {ECO:0000255|HAMAP-Rule:MF_01356}.
            [CATALYTIC ACTIVITY] Reaction=a plastoquinone + NADH + (n+1)
            H(+)(in) = a plastoquinol + NAD(+) + n H(+)(out);
            Xref=Rhea:RHEA:42608, Rhea:RHEA-COMP:9561, Rhea:RHEA-COMP:9562,
            ChEBI:CHEBI:15378, ChEBI:CHEBI:17757, ChEBI:CHEBI:57540,
            ChEBI:CHEBI:57945, ChEBI:CHEBI:62192;
            Evidence={ECO:0000255|HAMAP-Rule:MF_01356}.
            [CATALYTIC ACTIVITY] Reaction=a plastoquinone + NADPH + (n+1)
            H(+)(in) = a plastoquinol + NADP(+) + n H(+)(out);
            Xref=Rhea:RHEA:42612, Rhea:RHEA-COMP:9561, Rhea:RHEA-COMP:9562,
            ChEBI:CHEBI:15378, ChEBI:CHEBI:17757, ChEBI:CHEBI:57783,
            ChEBI:CHEBI:58349, ChEBI:CHEBI:62192;
            Evidence={ECO:0000255|HAMAP-Rule:MF_01356}.
            [COFACTOR] Name=[4Fe-4S] cluster; Xref=ChEBI:CHEBI:49883;
            Evidence={ECO:0000255|HAMAP-Rule:MF_01356}; Note=Binds 1 [4Fe-4S]
            cluster. {ECO:0000255|HAMAP-Rule:MF_01356}.
            [SUBUNIT] NDH is composed of at least 16 different subunits, 5 of
            which are encoded in the nucleus.
            {ECO:0000255|HAMAP-Rule:MF_01356}.
            [SUBCELLULAR LOCATION] Plastid, chloroplast thylakoid membrane
            {ECO:0000255|HAMAP-Rule:MF_01356}; Peripheral membrane protein
            {ECO:0000255|HAMAP-Rule:MF_01356}; Stromal side
            {ECO:0000255|HAMAP-Rule:MF_01356}.
            [SIMILARITY] Belongs to the complex I 20 kDa subunit family.
            {ECO:0000255|HAMAP-Rule:MF_01356}.
            [SEQUENCE CAUTION] Sequence=CAB88733.1; Type=Erroneous initiation;
            Evidence={ECO:0000305}.
FEATURES             Location/Qualifiers
     source          1..227
                     /organism="Spinacia oleracea"
                     /organelle="plastid:chloroplast"
                     /db_xref="taxon:3562"
     gene            1..227
                     /gene="ndhK"
     Protein         1..227
                     /product="NAD(P)H-quinone oxidoreductase subunit K,
                     chloroplastic"
                     /EC_number="7.1.1.-"
                     /note="NAD(P)H dehydrogenase subunit K; NADH-plastoquinone
                     oxidoreductase subunit K"
                     /UniProtKB_evidence="Inferred from homology"
     Region          1..227
                     /region_name="Mature chain"
                     /note="NAD(P)H-quinone oxidoreductase subunit K,
                     chloroplastic. /id=PRO_0000118755."
     Region          1..227
                     /region_name="ndhK"
                     /note="NADH dehydrogenase subunit K; CHL00023"
                     /db_xref="CDD:214337"
ORIGIN      
        1 mnsiefplld qiaqnsvist tsndlsnwsr lsslwpllyg tsccfiefas ligsrfdfdr
       61 yglvpraspr qadliltagt vtmkmapsll rlyeqmpepk yviamgacti tggmfstdsy
      121 stvrgvdkli pvdvylpgcp pkpeavidai tklrkkisre iyedriksqp knrcftinhk
      181 frvgrsihtg nydqallyky kspstseipp etffkyknaa ssrelvn
//
1..227
/gene="ndhK"
Feature Q9M3M0 : 1 segment
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Reference sequence information

  • RefSeq protein
    See the reference protein sequence for NADH dehydrogenase subunit K (plastid) (NP_054940.3).

More about the gene ndhK

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