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NQRD_CHLT2
ID   NQRD_CHLT2              Reviewed;         213 AA.
AC   B0B7J6;
DT   14-APR-2009, integrated into UniProtKB/Swiss-Prot.
DT   26-FEB-2008, sequence version 1.
DT   03-AUG-2022, entry version 78.
DE   RecName: Full=Na(+)-translocating NADH-quinone reductase subunit D {ECO:0000255|HAMAP-Rule:MF_00428};
DE            Short=Na(+)-NQR subunit D {ECO:0000255|HAMAP-Rule:MF_00428};
DE            Short=Na(+)-translocating NQR subunit D {ECO:0000255|HAMAP-Rule:MF_00428};
DE            EC=7.2.1.1 {ECO:0000255|HAMAP-Rule:MF_00428};
DE   AltName: Full=NQR complex subunit D {ECO:0000255|HAMAP-Rule:MF_00428};
DE   AltName: Full=NQR-1 subunit D {ECO:0000255|HAMAP-Rule:MF_00428};
GN   Name=nqrD {ECO:0000255|HAMAP-Rule:MF_00428}; OrderedLocusNames=CTL0532;
OS   Chlamydia trachomatis serovar L2 (strain 434/Bu / ATCC VR-902B).
OC   Bacteria; Chlamydiae; Chlamydiales; Chlamydiaceae;
OC   Chlamydia/Chlamydophila group; Chlamydia.
OX   NCBI_TaxID=471472;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=434/Bu / ATCC VR-902B;
RX   PubMed=18032721; DOI=10.1101/gr.7020108;
RA   Thomson N.R., Holden M.T.G., Carder C., Lennard N., Lockey S.J., Marsh P.,
RA   Skipp P., O'Connor C.D., Goodhead I., Norbertzcak H., Harris B., Ormond D.,
RA   Rance R., Quail M.A., Parkhill J., Stephens R.S., Clarke I.N.;
RT   "Chlamydia trachomatis: genome sequence analysis of lymphogranuloma
RT   venereum isolates.";
RL   Genome Res. 18:161-171(2008).
CC   -!- FUNCTION: NQR complex catalyzes the reduction of ubiquinone-1 to
CC       ubiquinol by two successive reactions, coupled with the transport of
CC       Na(+) ions from the cytoplasm to the periplasm. NqrA to NqrE are
CC       probably involved in the second step, the conversion of ubisemiquinone
CC       to ubiquinol. {ECO:0000255|HAMAP-Rule:MF_00428}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=a ubiquinone + H(+) + n Na(+)(in) + NADH = a ubiquinol + n
CC         Na(+)(out) + NAD(+); Xref=Rhea:RHEA:47748, Rhea:RHEA-COMP:9565,
CC         Rhea:RHEA-COMP:9566, ChEBI:CHEBI:15378, ChEBI:CHEBI:16389,
CC         ChEBI:CHEBI:17976, ChEBI:CHEBI:29101, ChEBI:CHEBI:57540,
CC         ChEBI:CHEBI:57945; EC=7.2.1.1; Evidence={ECO:0000255|HAMAP-
CC         Rule:MF_00428};
CC   -!- SUBUNIT: Composed of six subunits; NqrA, NqrB, NqrC, NqrD, NqrE and
CC       NqrF. {ECO:0000255|HAMAP-Rule:MF_00428}.
CC   -!- SUBCELLULAR LOCATION: Cell inner membrane {ECO:0000255|HAMAP-
CC       Rule:MF_00428}; Multi-pass membrane protein {ECO:0000255|HAMAP-
CC       Rule:MF_00428}.
CC   -!- SIMILARITY: Belongs to the NqrDE/RnfAE family. {ECO:0000255|HAMAP-
CC       Rule:MF_00428}.
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DR   EMBL; AM884176; CAP03972.1; -; Genomic_DNA.
DR   RefSeq; WP_009873695.1; NC_010287.1.
DR   RefSeq; YP_001654609.1; NC_010287.1.
DR   AlphaFoldDB; B0B7J6; -.
DR   SMR; B0B7J6; -.
DR   EnsemblBacteria; CAP03972; CAP03972; CTL0532.
DR   KEGG; ctb:CTL0532; -.
DR   PATRIC; fig|471472.4.peg.571; -.
DR   HOGENOM; CLU_046659_1_1_0; -.
DR   OMA; CIIMGRF; -.
DR   Proteomes; UP000000795; Chromosome.
DR   GO; GO:0016021; C:integral component of membrane; IEA:UniProtKB-KW.
DR   GO; GO:0005886; C:plasma 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:0006814; P:sodium ion transport; IEA:UniProtKB-UniRule.
DR   HAMAP; MF_00428; NqrD; 1.
DR   InterPro; IPR011292; NqrD.
DR   InterPro; IPR003667; NqrDE/RnfAE.
DR   PANTHER; PTHR30586:SF1; PTHR30586:SF1; 1.
DR   Pfam; PF02508; Rnf-Nqr; 1.
DR   PIRSF; PIRSF006102; NQR_DE; 1.
DR   TIGRFAMs; TIGR01939; nqrD; 1.
PE   3: Inferred from homology;
KW   Cell inner membrane; Cell membrane; Ion transport; Membrane; NAD; Sodium;
KW   Sodium transport; Translocase; Transmembrane; Transmembrane helix;
KW   Transport; Ubiquinone.
FT   CHAIN           1..213
FT                   /note="Na(+)-translocating NADH-quinone reductase subunit
FT                   D"
FT                   /id="PRO_1000191685"
FT   TRANSMEM        22..42
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00428"
FT   TRANSMEM        43..63
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00428"
FT   TRANSMEM        77..97
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00428"
FT   TRANSMEM        101..121
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00428"
FT   TRANSMEM        131..151
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00428"
FT   TRANSMEM        183..203
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00428"
SQ   SEQUENCE   213 AA;  23239 MW;  767999F17FBB8728 CRC64;
     MTTNKSYLTY FTDALWINNQ PLIAILGICS ALAVTTTVTT ALTMGFAVSF VTGCSSFVVS
     LLRKITPESV RMIAQLIIIS LFVILIDQFL KAFFFTISKT LSVFVGLIIT NCIVMGRAES
     MARHVSPIPA FLDGLGSGLG YGWVLVCISI IRELFGFGTI LGFRVIPEIL YASAAHPDGY
     ENLGLMVLAP SAFFLLGIMI WIVNIIRAPK TKR
 
 
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