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NDHN_SYNJB
ID   NDHN_SYNJB              Reviewed;         147 AA.
AC   Q2JIJ7;
DT   14-OCT-2008, integrated into UniProtKB/Swiss-Prot.
DT   07-MAR-2006, sequence version 1.
DT   25-MAY-2022, entry version 78.
DE   RecName: Full=NAD(P)H-quinone oxidoreductase subunit N {ECO:0000255|HAMAP-Rule:MF_01353};
DE            EC=7.1.1.- {ECO:0000255|HAMAP-Rule:MF_01353};
DE   AltName: Full=NAD(P)H dehydrogenase I subunit N {ECO:0000255|HAMAP-Rule:MF_01353};
DE            Short=NDH-1 subunit N {ECO:0000255|HAMAP-Rule:MF_01353};
DE            Short=NDH-N {ECO:0000255|HAMAP-Rule:MF_01353};
GN   Name=ndhN {ECO:0000255|HAMAP-Rule:MF_01353}; OrderedLocusNames=CYB_2627;
OS   Synechococcus sp. (strain JA-2-3B'a(2-13)) (Cyanobacteria bacterium
OS   Yellowstone B-Prime).
OC   Bacteria; Cyanobacteria; Synechococcales; Synechococcaceae; Synechococcus;
OC   unclassified Synechococcus.
OX   NCBI_TaxID=321332;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=JA-2-3B'a(2-13);
RX   PubMed=18059494; DOI=10.1038/ismej.2007.46;
RA   Bhaya D., Grossman A.R., Steunou A.-S., Khuri N., Cohan F.M., Hamamura N.,
RA   Melendrez M.C., Bateson M.M., Ward D.M., Heidelberg J.F.;
RT   "Population level functional diversity in a microbial community revealed by
RT   comparative genomic and metagenomic analyses.";
RL   ISME J. 1:703-713(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_01353}.
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_01353};
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_01353};
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_01353}.
CC   -!- SUBCELLULAR LOCATION: Cellular thylakoid membrane {ECO:0000255|HAMAP-
CC       Rule:MF_01353}; Peripheral membrane protein {ECO:0000255|HAMAP-
CC       Rule:MF_01353}; Cytoplasmic side {ECO:0000255|HAMAP-Rule:MF_01353}.
CC   -!- SIMILARITY: Belongs to the complex I NdhN subunit family.
CC       {ECO:0000255|HAMAP-Rule:MF_01353}.
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DR   EMBL; CP000240; ABD03557.1; -; Genomic_DNA.
DR   RefSeq; WP_011434182.1; NC_007776.1.
DR   AlphaFoldDB; Q2JIJ7; -.
DR   SMR; Q2JIJ7; -.
DR   STRING; 321332.CYB_2627; -.
DR   KEGG; cyb:CYB_2627; -.
DR   eggNOG; ENOG502ZBMI; Bacteria.
DR   HOGENOM; CLU_087432_0_0_3; -.
DR   OMA; HGIRPPH; -.
DR   OrthoDB; 1804108at2; -.
DR   Proteomes; UP000001938; Chromosome.
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_01353; NDH1_NDH1N; 1.
DR   InterPro; IPR020874; NAD(P)H-quinone_OxRdtase_su_N.
DR   PANTHER; PTHR35515; PTHR35515; 1.
DR   Pfam; PF11909; NdhN; 1.
PE   3: Inferred from homology;
KW   Membrane; NAD; NADP; Plastoquinone; Quinone; Reference proteome; Thylakoid;
KW   Translocase; Transport.
FT   CHAIN           1..147
FT                   /note="NAD(P)H-quinone oxidoreductase subunit N"
FT                   /id="PRO_0000352238"
SQ   SEQUENCE   147 AA;  16478 MW;  2C43EED6FABE2883 CRC64;
     MLLVGSGAKF VQQLEQAGAL AIYVTPEGGS EGHYLRRLRG AGYEVVTLSS KGIGDLASYL
     TRIHGVRPAT LGKSERRTYF FPALIEQYRA TLPPKAKGLV FWFYEGHVFS QQELSYLVKL
     SREDKGVKFV VELGRERSIR WQPLQSA
 
 
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