(data stored in SCRATCH zone)

SWISSPROT: A4ATH6_MARSH

ID   A4ATH6_MARSH            Unreviewed;       424 AA.
AC   A4ATH6;
DT   03-APR-2007, integrated into UniProtKB/TrEMBL.
DT   03-APR-2007, sequence version 1.
DT   16-JAN-2019, entry version 68.
DE   RecName: Full=Na(+)-translocating NADH-quinone reductase subunit B {ECO:0000256|HAMAP-Rule:MF_00426};
DE            Short=Na(+)-NQR subunit B {ECO:0000256|HAMAP-Rule:MF_00426};
DE            Short=Na(+)-translocating NQR subunit B {ECO:0000256|HAMAP-Rule:MF_00426};
DE            EC=7.2.1.1 {ECO:0000256|HAMAP-Rule:MF_00426};
DE   AltName: Full=NQR complex subunit B {ECO:0000256|HAMAP-Rule:MF_00426};
DE   AltName: Full=NQR-1 subunit B {ECO:0000256|HAMAP-Rule:MF_00426};
GN   Name=nqrB {ECO:0000256|HAMAP-Rule:MF_00426};
GN   OrderedLocusNames=FB2170_16716 {ECO:0000313|EMBL:EAR00746.1};
OS   Maribacter sp. (strain HTCC2170 / KCCM 42371).
OC   Bacteria; Bacteroidetes; Flavobacteriia; Flavobacteriales;
OC   Flavobacteriaceae; Maribacter.
OX   NCBI_TaxID=313603 {ECO:0000313|EMBL:EAR00746.1, ECO:0000313|Proteomes:UP000001602};
RN   [1] {ECO:0000313|EMBL:EAR00746.1, ECO:0000313|Proteomes:UP000001602}
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=HTCC2170 / KCCM 42371 {ECO:0000313|Proteomes:UP000001602};
RX   PubMed=21037013; DOI=10.1128/JB.01207-10;
RA   Oh H.M., Kang I., Yang S.J., Jang Y., Vergin K.L., Giovannoni S.J.,
RA   Cho J.C.;
RT   "Complete genome sequence of strain HTCC2170, a novel member of the
RT   genus Maribacter in the family Flavobacteriaceae.";
RL   J. Bacteriol. 193:303-304(2011).
CC   -!- FUNCTION: NQR complex catalyzes the reduction of ubiquinone-1 to
CC       ubiquinol by two successive reactions, coupled with the transport
CC       of Na(+) ions from the cytoplasm to the periplasm. NqrA to NqrE
CC       are probably involved in the second step, the conversion of
CC       ubisemiquinone to ubiquinol. {ECO:0000256|HAMAP-Rule:MF_00426}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=a ubiquinone + H(+) + n Na(+)(in) + NADH = a ubiquinol +
CC         n Na(+)(out) + NAD(+); Xref=Rhea:RHEA:47748, Rhea:RHEA-
CC         COMP:9565, Rhea:RHEA-COMP:9566, ChEBI:CHEBI:15378,
CC         ChEBI:CHEBI:16389, ChEBI:CHEBI:17976, ChEBI:CHEBI:29101,
CC         ChEBI:CHEBI:57540, ChEBI:CHEBI:57945; EC=7.2.1.1;
CC         Evidence={ECO:0000256|HAMAP-Rule:MF_00426};
CC   -!- COFACTOR:
CC       Name=FMN; Xref=ChEBI:CHEBI:58210; Evidence={ECO:0000256|HAMAP-
CC         Rule:MF_00426, ECO:0000256|PIRSR:PIRSR016055-50,
CC         ECO:0000256|SAAS:SAAS01035299};
CC   -!- SUBUNIT: Composed of six subunits; NqrA, NqrB, NqrC, NqrD, NqrE
CC       and NqrF. {ECO:0000256|HAMAP-Rule:MF_00426}.
CC   -!- SUBCELLULAR LOCATION: Cell inner membrane {ECO:0000256|HAMAP-
CC       Rule:MF_00426}; Multi-pass membrane protein {ECO:0000256|HAMAP-
CC       Rule:MF_00426}.
CC   -!- SIMILARITY: Belongs to the NqrB/RnfD family. {ECO:0000256|HAMAP-
CC       Rule:MF_00426, ECO:0000256|SAAS:SAAS00951779}.
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DR   EMBL; CP002157; EAR00746.1; -; Genomic_DNA.
DR   RefSeq; WP_013304549.1; NC_014472.1.
DR   STRING; 313603.FB2170_16716; -.
DR   EnsemblBacteria; EAR00746; EAR00746; FB2170_16716.
DR   KEGG; fbc:FB2170_16716; -.
DR   eggNOG; ENOG4107UK7; Bacteria.
DR   eggNOG; COG1805; LUCA.
DR   HOGENOM; HOG000273666; -.
DR   KO; K00347; -.
DR   OMA; FNPAYPE; -.
DR   OrthoDB; 1654433at2; -.
DR   BioCyc; MSP313603:G1GNS-120-MONOMER; -.
DR   Proteomes; UP000001602; 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:0010181; F:FMN binding; IEA:InterPro.
DR   GO; GO:0016655; F:oxidoreductase activity, acting on NAD(P)H, quinone or similar compound as acceptor; IEA:UniProtKB-UniRule.
DR   GO; GO:0022904; P:respiratory electron transport chain; IEA:InterPro.
DR   GO; GO:0006814; P:sodium ion transport; IEA:UniProtKB-UniRule.
DR   GO; GO:0055085; P:transmembrane transport; IEA:InterPro.
DR   HAMAP; MF_00426; NqrB; 1.
DR   InterPro; IPR010966; NqrB.
DR   InterPro; IPR004338; NqrB/RnfD.
DR   PANTHER; PTHR30578; PTHR30578; 1.
DR   Pfam; PF03116; NQR2_RnfD_RnfE; 1.
DR   PIRSF; PIRSF016055; NADH-UbQ_OxRdtase_B_su; 1.
DR   TIGRFAMs; TIGR01937; nqrB; 1.
PE   3: Inferred from homology;
DR   PRODOM; A4ATH6.
DR   SWISS-2DPAGE; A4ATH6.
KW   Cell inner membrane {ECO:0000256|HAMAP-Rule:MF_00426};
KW   Cell membrane {ECO:0000256|HAMAP-Rule:MF_00426};
KW   Complete proteome {ECO:0000313|Proteomes:UP000001602};
KW   Flavoprotein {ECO:0000256|HAMAP-Rule:MF_00426,
KW   ECO:0000256|PIRSR:PIRSR016055-50, ECO:0000256|SAAS:SAAS01035302};
KW   FMN {ECO:0000256|HAMAP-Rule:MF_00426, ECO:0000256|PIRSR:PIRSR016055-
KW   50, ECO:0000256|SAAS:SAAS01035309};
KW   Ion transport {ECO:0000256|HAMAP-Rule:MF_00426};
KW   Membrane {ECO:0000256|HAMAP-Rule:MF_00426,
KW   ECO:0000256|SAAS:SAAS00951777};
KW   NAD {ECO:0000256|HAMAP-Rule:MF_00426};
KW   Phosphoprotein {ECO:0000256|HAMAP-Rule:MF_00426,
KW   ECO:0000256|PIRSR:PIRSR016055-50};
KW   Reference proteome {ECO:0000313|Proteomes:UP000001602};
KW   Sodium {ECO:0000256|HAMAP-Rule:MF_00426};
KW   Sodium transport {ECO:0000256|HAMAP-Rule:MF_00426};
KW   Translocase {ECO:0000256|HAMAP-Rule:MF_00426,
KW   ECO:0000256|SAAS:SAAS01124727};
KW   Transmembrane {ECO:0000256|HAMAP-Rule:MF_00426,
KW   ECO:0000256|SAAS:SAAS00951796};
KW   Transmembrane helix {ECO:0000256|HAMAP-Rule:MF_00426,
KW   ECO:0000256|SAAS:SAAS00951768};
KW   Transport {ECO:0000256|HAMAP-Rule:MF_00426,
KW   ECO:0000256|SAAS:SAAS00951776};
KW   Ubiquinone {ECO:0000256|HAMAP-Rule:MF_00426}.
FT   TRANSMEM     61     83       Helical. {ECO:0000256|HAMAP-Rule:
FT                                MF_00426}.
FT   TRANSMEM    103    128       Helical. {ECO:0000256|HAMAP-Rule:
FT                                MF_00426}.
FT   TRANSMEM    140    170       Helical. {ECO:0000256|HAMAP-Rule:
FT                                MF_00426}.
FT   TRANSMEM    246    270       Helical. {ECO:0000256|HAMAP-Rule:
FT                                MF_00426}.
FT   TRANSMEM    277    297       Helical. {ECO:0000256|HAMAP-Rule:
FT                                MF_00426}.
FT   TRANSMEM    317    335       Helical. {ECO:0000256|HAMAP-Rule:
FT                                MF_00426}.
FT   TRANSMEM    347    365       Helical. {ECO:0000256|HAMAP-Rule:
FT                                MF_00426}.
FT   TRANSMEM    371    391       Helical. {ECO:0000256|HAMAP-Rule:
FT                                MF_00426}.
FT   MOD_RES     225    225       FMN phosphoryl threonine.
FT                                {ECO:0000256|HAMAP-Rule:MF_00426,
FT                                ECO:0000256|PIRSR:PIRSR016055-50}.
SQ   SEQUENCE   424 AA;  46944 MW;  41D17E29B86B6E3B CRC64;
     MSDKRLTLKK RLHILKHHFR DKKMAPAFNA FHTFLFAPDE TTHSGSHVRG ADDLKRTMNT
     VILALVPVLL FSMFNAGYQH FSAINGFPSE FSLMEHFLTW DNFWIGIVKV LPLLVVSYGV
     GLGVEFIFAV IKGHEVEEGY LVTGMLVPLI VPIDTPLWML AVAVVFGVVI GKEVFGGTGM
     NILNPALTIR AFLFFAYPTW MSGDKVWVHE AVDRAGTADA ISGETVLGFL AQNKGAEMTY
     STMDMFYGFI PGSVGETSAL LILLGGLFLI FSKIASWRIM LSAVIGSLVM GLVFNLVVDA
     EIITETSKFY GLMSFDYWKH LLVGGLAFGI VYMATDPVTG AQTNRGKWIY GFLIGFISVM
     IRVFNPAYPE GVFLAILLMN VFAPTIDHYV VQGNVKKRLK RLKNATILPK DSESKAEELK
     AETV
//

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