NUOB_PELPD
ID NUOB_PELPD Reviewed; 163 AA.
AC A1ALP0;
DT 16-DEC-2008, integrated into UniProtKB/Swiss-Prot.
DT 23-JAN-2007, sequence version 1.
DT 03-AUG-2022, entry version 89.
DE RecName: Full=NADH-quinone oxidoreductase subunit B {ECO:0000255|HAMAP-Rule:MF_01356};
DE EC=7.1.1.- {ECO:0000255|HAMAP-Rule:MF_01356};
DE AltName: Full=NADH dehydrogenase I subunit B {ECO:0000255|HAMAP-Rule:MF_01356};
DE AltName: Full=NDH-1 subunit B {ECO:0000255|HAMAP-Rule:MF_01356};
GN Name=nuoB1 {ECO:0000255|HAMAP-Rule:MF_01356}; OrderedLocusNames=Ppro_0629;
GN and
GN Name=nuoB2 {ECO:0000255|HAMAP-Rule:MF_01356}; OrderedLocusNames=Ppro_1624;
GN and
GN Name=nuoB3 {ECO:0000255|HAMAP-Rule:MF_01356}; OrderedLocusNames=Ppro_3192;
OS Pelobacter propionicus (strain DSM 2379 / NBRC 103807 / OttBd1).
OC Bacteria; Proteobacteria; Deltaproteobacteria; Desulfuromonadales;
OC Desulfuromonadaceae; Pelobacter.
OX NCBI_TaxID=338966;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=DSM 2379 / NBRC 103807 / OttBd1;
RG US DOE Joint Genome Institute;
RA Copeland A., Lucas S., Lapidus A., Barry K., Detter J.C.,
RA Glavina del Rio T., Hammon N., Israni S., Dalin E., Tice H., Pitluck S.,
RA Saunders E., Brettin T., Bruce D., Han C., Tapia R., Schmutz J.,
RA Larimer F., Land M., Hauser L., Kyrpides N., Kim E., Lovley D.,
RA Richardson P.;
RT "Complete sequence of chromosome of Pelobacter propionicus DSM 2379.";
RL Submitted (OCT-2006) to the EMBL/GenBank/DDBJ databases.
CC -!- FUNCTION: NDH-1 shuttles electrons from NADH, via FMN and iron-sulfur
CC (Fe-S) centers, to quinones in the respiratory chain. Couples the redox
CC reaction to proton translocation (for every two electrons transferred,
CC four hydrogen ions are translocated across the cytoplasmic membrane),
CC and thus conserves the redox energy in a proton gradient (By
CC similarity). {ECO:0000250}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=a quinone + 5 H(+)(in) + NADH = a quinol + 4 H(+)(out) +
CC NAD(+); Xref=Rhea:RHEA:57888, ChEBI:CHEBI:15378, ChEBI:CHEBI:24646,
CC ChEBI:CHEBI:57540, ChEBI:CHEBI:57945, ChEBI:CHEBI:132124;
CC Evidence={ECO:0000255|HAMAP-Rule:MF_01356};
CC -!- COFACTOR:
CC Name=[4Fe-4S] cluster; Xref=ChEBI:CHEBI:49883;
CC Evidence={ECO:0000255|HAMAP-Rule:MF_01356};
CC Note=Binds 1 [4Fe-4S] cluster. {ECO:0000255|HAMAP-Rule:MF_01356};
CC -!- SUBUNIT: NDH-1 is composed of 14 different subunits. Subunits NuoB, C,
CC D, E, F, and G constitute the peripheral sector of the complex.
CC {ECO:0000255|HAMAP-Rule:MF_01356}.
CC -!- SUBCELLULAR LOCATION: Cell inner membrane {ECO:0000255|HAMAP-
CC Rule:MF_01356}; Peripheral membrane protein {ECO:0000255|HAMAP-
CC Rule:MF_01356}; Cytoplasmic side {ECO:0000255|HAMAP-Rule:MF_01356}.
CC -!- SIMILARITY: Belongs to the complex I 20 kDa subunit family.
CC {ECO:0000255|HAMAP-Rule:MF_01356}.
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DR EMBL; CP000482; ABK98260.1; -; Genomic_DNA.
DR EMBL; CP000482; ABK99239.1; -; Genomic_DNA.
DR EMBL; CP000482; ABL00786.1; -; Genomic_DNA.
DR RefSeq; WP_011734573.1; NC_008609.1.
DR AlphaFoldDB; A1ALP0; -.
DR SMR; A1ALP0; -.
DR STRING; 338966.Ppro_0629; -.
DR EnsemblBacteria; ABK98260; ABK98260; Ppro_0629.
DR EnsemblBacteria; ABK99239; ABK99239; Ppro_1624.
DR EnsemblBacteria; ABL00786; ABL00786; Ppro_3192.
DR KEGG; ppd:Ppro_0629; -.
DR KEGG; ppd:Ppro_1624; -.
DR KEGG; ppd:Ppro_3192; -.
DR eggNOG; COG0377; Bacteria.
DR HOGENOM; CLU_055737_7_3_7; -.
DR OMA; GWARKYS; -.
DR OrthoDB; 1904620at2; -.
DR Proteomes; UP000006732; Chromosome.
DR GO; GO:0005886; C:plasma membrane; IEA:UniProtKB-SubCell.
DR GO; GO:0051539; F:4 iron, 4 sulfur cluster binding; IEA:UniProtKB-KW.
DR GO; GO:0005506; F:iron ion binding; IEA:UniProtKB-UniRule.
DR GO; GO:0008137; F:NADH dehydrogenase (ubiquinone) activity; IEA:InterPro.
DR GO; GO:0048038; F:quinone binding; IEA:UniProtKB-KW.
DR HAMAP; MF_01356; NDH1_NuoB; 1.
DR InterPro; IPR006137; NADH_UbQ_OxRdtase-like_20kDa.
DR InterPro; IPR006138; NADH_UQ_OxRdtase_20Kd_su.
DR Pfam; PF01058; Oxidored_q6; 1.
DR TIGRFAMs; TIGR01957; nuoB_fam; 1.
DR PROSITE; PS01150; COMPLEX1_20K; 1.
PE 3: Inferred from homology;
KW 4Fe-4S; Cell inner membrane; Cell membrane; Iron; Iron-sulfur; Membrane;
KW Metal-binding; NAD; Quinone; Reference proteome; Translocase; Transport;
KW Ubiquinone.
FT CHAIN 1..163
FT /note="NADH-quinone oxidoreductase subunit B"
FT /id="PRO_0000358443"
FT BINDING 32
FT /ligand="[4Fe-4S] cluster"
FT /ligand_id="ChEBI:CHEBI:49883"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01356"
FT BINDING 33
FT /ligand="[4Fe-4S] cluster"
FT /ligand_id="ChEBI:CHEBI:49883"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01356"
FT BINDING 98
FT /ligand="[4Fe-4S] cluster"
FT /ligand_id="ChEBI:CHEBI:49883"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01356"
FT BINDING 127
FT /ligand="[4Fe-4S] cluster"
FT /ligand_id="ChEBI:CHEBI:49883"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01356"
SQ SEQUENCE 163 AA; 18476 MW; 5B8446317477E088 CRC64;
MAMMEYLTTR KDELIGWVRK FSIFPYPFVT ACCGMEFMAV ASTLYDTDRF GAALPRFTPR
QSDLLMVVGT ITHKEAPVIK RVYDQMCDPK WVMAFGACAT SGGVYRNYTV LQGVDRIIPV
DIYIPGCPPR PEMVIDAIMK LQDKIAGERH PIFPYEKQNP VPV
