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NDHO_PROM0
ID   NDHO_PROM0              Reviewed;          78 AA.
AC   A3PAI6;
DT   04-NOV-2008, integrated into UniProtKB/Swiss-Prot.
DT   03-APR-2007, sequence version 1.
DT   25-MAY-2022, entry version 73.
DE   RecName: Full=NAD(P)H-quinone oxidoreductase subunit O {ECO:0000255|HAMAP-Rule:MF_01354};
DE            EC=7.1.1.- {ECO:0000255|HAMAP-Rule:MF_01354};
DE   AltName: Full=NAD(P)H dehydrogenase I subunit O {ECO:0000255|HAMAP-Rule:MF_01354};
DE   AltName: Full=NDH-1 subunit O;
DE   AltName: Full=NDH-O;
GN   Name=ndhO {ECO:0000255|HAMAP-Rule:MF_01354}; OrderedLocusNames=P9301_01381;
OS   Prochlorococcus marinus (strain MIT 9301).
OC   Bacteria; Cyanobacteria; Synechococcales; Prochlorococcaceae;
OC   Prochlorococcus.
OX   NCBI_TaxID=167546;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=MIT 9301;
RX   PubMed=18159947; DOI=10.1371/journal.pgen.0030231;
RA   Kettler G.C., Martiny A.C., Huang K., Zucker J., Coleman M.L., Rodrigue S.,
RA   Chen F., Lapidus A., Ferriera S., Johnson J., Steglich C., Church G.M.,
RA   Richardson P., Chisholm S.W.;
RT   "Patterns and implications of gene gain and loss in the evolution of
RT   Prochlorococcus.";
RL   PLoS Genet. 3:2515-2528(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_01354}.
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_01354};
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_01354};
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_01354}.
CC   -!- SUBCELLULAR LOCATION: Cellular thylakoid membrane {ECO:0000255|HAMAP-
CC       Rule:MF_01354}; Peripheral membrane protein {ECO:0000255|HAMAP-
CC       Rule:MF_01354}; Cytoplasmic side {ECO:0000255|HAMAP-Rule:MF_01354}.
CC   -!- SIMILARITY: Belongs to the complex I NdhO subunit family.
CC       {ECO:0000255|HAMAP-Rule:MF_01354}.
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DR   EMBL; CP000576; ABO16761.1; -; Genomic_DNA.
DR   RefSeq; WP_011862164.1; NC_009091.1.
DR   AlphaFoldDB; A3PAI6; -.
DR   SMR; A3PAI6; -.
DR   STRING; 167546.P9301_01381; -.
DR   EnsemblBacteria; ABO16761; ABO16761; P9301_01381.
DR   KEGG; pmg:P9301_01381; -.
DR   eggNOG; ENOG5031XXZ; Bacteria.
DR   HOGENOM; CLU_195299_0_0_3; -.
DR   OMA; TPNIWLR; -.
DR   Proteomes; UP000001430; 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_01354; NDH1_NDH1O; 1.
DR   InterPro; IPR020905; NdhO.
DR   Pfam; PF11910; NdhO; 1.
PE   3: Inferred from homology;
KW   Membrane; NAD; NADP; Plastoquinone; Quinone; Reference proteome; Thylakoid;
KW   Translocase; Transport.
FT   CHAIN           1..78
FT                   /note="NAD(P)H-quinone oxidoreductase subunit O"
FT                   /id="PRO_0000353642"
SQ   SEQUENCE   78 AA;  9152 MW;  B878748A87CD0F50 CRC64;
     MTDSIPKKPL KKGSLVFVDK ENYIKSIEAL ASDHDLPNYV FEGPGEILSV KDEYAQIRWR
     RPVPDVWFKL EQLKEYLQ
 
 
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