NDHL_SYNP6
ID NDHL_SYNP6 Reviewed; 74 AA.
AC Q5N326; Q56009;
DT 04-NOV-2008, integrated into UniProtKB/Swiss-Prot.
DT 01-FEB-2005, sequence version 1.
DT 25-MAY-2022, entry version 76.
DE RecName: Full=NAD(P)H-quinone oxidoreductase subunit L {ECO:0000255|HAMAP-Rule:MF_01355};
DE EC=7.1.1.- {ECO:0000255|HAMAP-Rule:MF_01355};
DE AltName: Full=NAD(P)H dehydrogenase I subunit L {ECO:0000255|HAMAP-Rule:MF_01355};
DE AltName: Full=NDH-1 subunit L;
DE AltName: Full=NDH-L;
GN Name=ndhL {ECO:0000255|HAMAP-Rule:MF_01355}; OrderedLocusNames=syc1104_d;
OS Synechococcus sp. (strain ATCC 27144 / PCC 6301 / SAUG 1402/1) (Anacystis
OS nidulans).
OC Bacteria; Cyanobacteria; Synechococcales; Synechococcaceae; Synechococcus.
OX NCBI_TaxID=269084;
RN [1]
RP NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RX PubMed=7584050; DOI=10.1093/dnares/2.2.71;
RA Sugita M., Luo L., Ohta M., Itadani H., Matsubayashi T., Sugiura M.;
RT "Genes encoding the group I intron-containing tRNA Leu and subunit L of
RT NADH dehydrogenase from the cyanobacterium Synechococcus PCC 6301.";
RL DNA Res. 2:71-76(1995).
RN [2]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC 27144 / PCC 6301 / SAUG 1402/1;
RX PubMed=17211581; DOI=10.1007/s11120-006-9122-4;
RA Sugita C., Ogata K., Shikata M., Jikuya H., Takano J., Furumichi M.,
RA Kanehisa M., Omata T., Sugiura M., Sugita M.;
RT "Complete nucleotide sequence of the freshwater unicellular cyanobacterium
RT Synechococcus elongatus PCC 6301 chromosome: gene content and
RT organization.";
RL Photosyn. Res. 93:55-67(2007).
CC -!- FUNCTION: NDH-1 shuttles electrons from an unknown electron donor, via
CC FMN and iron-sulfur (Fe-S) centers, to quinones in the respiratory
CC and/or the photosynthetic chain. The immediate electron acceptor for
CC the enzyme in this species is believed to be plastoquinone. Couples the
CC redox reaction to proton translocation, and thus conserves the redox
CC energy in a proton gradient. Cyanobacterial NDH-1 also plays a role in
CC inorganic carbon-concentration. {ECO:0000255|HAMAP-Rule:MF_01355}.
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_01355};
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_01355};
CC -!- SUBUNIT: NDH-1 can be composed of about 15 different subunits;
CC different subcomplexes with different compositions have been identified
CC which probably have different functions. {ECO:0000255|HAMAP-
CC Rule:MF_01355}.
CC -!- SUBCELLULAR LOCATION: Cellular thylakoid membrane {ECO:0000255|HAMAP-
CC Rule:MF_01355}; Multi-pass membrane protein {ECO:0000255|HAMAP-
CC Rule:MF_01355}.
CC -!- SIMILARITY: Belongs to the complex I NdhL subunit family.
CC {ECO:0000255|HAMAP-Rule:MF_01355}.
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DR EMBL; D42186; BAA44986.1; -; Genomic_DNA.
DR EMBL; AP008231; BAD79294.1; -; Genomic_DNA.
DR AlphaFoldDB; Q5N326; -.
DR SMR; Q5N326; -.
DR STRING; 269084.syc1104_d; -.
DR EnsemblBacteria; BAD79294; BAD79294; syc1104_d.
DR KEGG; syc:syc1104_d; -.
DR eggNOG; ENOG5032ZM4; Bacteria.
DR OMA; YWMNNRW; -.
DR Proteomes; UP000001175; Chromosome.
DR GO; GO:0016021; C:integral component of membrane; IEA:UniProtKB-KW.
DR GO; GO:0031676; C:plasma membrane-derived thylakoid membrane; IEA:UniProtKB-SubCell.
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:UniProtKB-KW.
DR HAMAP; MF_01355; NDH1_NDH1L; 1.
DR InterPro; IPR019654; NADH-quinone_OxRdatse_su_L.
DR Pfam; PF10716; NdhL; 1.
PE 3: Inferred from homology;
KW Membrane; NAD; NADP; Plastoquinone; Quinone; Thylakoid; Translocase;
KW Transmembrane; Transmembrane helix; Transport.
FT CHAIN 1..74
FT /note="NAD(P)H-quinone oxidoreductase subunit L"
FT /id="PRO_0000353685"
FT TRANSMEM 5..25
FT /note="Helical"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01355"
FT TRANSMEM 43..63
FT /note="Helical"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01355"
SQ SEQUENCE 74 AA; 8561 MW; 7152A88240C3E6DF CRC64;
MTVTLIIAAL YLALAGAYLL VVPAALYLYL QKRWYVASSW ERAFMYFLVF FFFPGLLLLA
PLLNFRPRSR QIPA