PYRDB_SYNWW
ID PYRDB_SYNWW Reviewed; 302 AA.
AC Q0AXG6;
DT 15-JAN-2008, integrated into UniProtKB/Swiss-Prot.
DT 17-OCT-2006, sequence version 1.
DT 03-AUG-2022, entry version 87.
DE RecName: Full=Dihydroorotate dehydrogenase B (NAD(+)), catalytic subunit;
DE Short=DHOD B;
DE Short=DHODase B;
DE Short=DHOdehase B;
DE EC=1.3.1.14;
DE AltName: Full=Dihydroorotate oxidase B;
DE AltName: Full=Orotate reductase (NADH);
GN Name=pyrD; OrderedLocusNames=Swol_1279;
OS Syntrophomonas wolfei subsp. wolfei (strain DSM 2245B / Goettingen).
OC Bacteria; Firmicutes; Clostridia; Eubacteriales; Syntrophomonadaceae;
OC Syntrophomonas.
OX NCBI_TaxID=335541;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=DSM 2245B / Goettingen;
RX PubMed=21966920; DOI=10.1111/j.1462-2920.2010.02237.x;
RA Sieber J.R., Sims D.R., Han C., Kim E., Lykidis A., Lapidus A.L.,
RA McDonnald E., Rohlin L., Culley D.E., Gunsalus R., McInerney M.J.;
RT "The genome of Syntrophomonas wolfei: new insights into syntrophic
RT metabolism and biohydrogen production.";
RL Environ. Microbiol. 12:2289-2301(2010).
CC -!- FUNCTION: Catalyzes the conversion of dihydroorotate to orotate with
CC NAD(+) as electron acceptor. {ECO:0000250}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=(S)-dihydroorotate + NAD(+) = H(+) + NADH + orotate;
CC Xref=Rhea:RHEA:13513, ChEBI:CHEBI:15378, ChEBI:CHEBI:30839,
CC ChEBI:CHEBI:30864, ChEBI:CHEBI:57540, ChEBI:CHEBI:57945; EC=1.3.1.14;
CC -!- COFACTOR:
CC Name=FMN; Xref=ChEBI:CHEBI:58210; Evidence={ECO:0000250};
CC Note=Binds 1 FMN per subunit. {ECO:0000250};
CC -!- PATHWAY: Pyrimidine metabolism; UMP biosynthesis via de novo pathway;
CC orotate from (S)-dihydroorotate (NAD(+) route): step 1/1.
CC -!- SUBUNIT: Heterotetramer of 2 PyrK and 2 PyrD type B subunits.
CC {ECO:0000250}.
CC -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000250}.
CC -!- SIMILARITY: Belongs to the dihydroorotate dehydrogenase family. Type 1
CC subfamily. {ECO:0000305}.
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DR EMBL; CP000448; ABI68588.1; -; Genomic_DNA.
DR AlphaFoldDB; Q0AXG6; -.
DR SMR; Q0AXG6; -.
DR STRING; 335541.Swol_1279; -.
DR PRIDE; Q0AXG6; -.
DR EnsemblBacteria; ABI68588; ABI68588; Swol_1279.
DR KEGG; swo:Swol_1279; -.
DR eggNOG; COG0167; Bacteria.
DR HOGENOM; CLU_042042_0_0_9; -.
DR OMA; ERIKMGA; -.
DR UniPathway; UPA00070; UER00945.
DR Proteomes; UP000001968; Chromosome.
DR GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR GO; GO:0004152; F:dihydroorotate dehydrogenase activity; IEA:UniProtKB-UniRule.
DR GO; GO:0004589; F:orotate reductase (NADH) activity; IEA:UniProtKB-EC.
DR GO; GO:0006207; P:'de novo' pyrimidine nucleobase biosynthetic process; IEA:InterPro.
DR GO; GO:0044205; P:'de novo' UMP biosynthetic process; IEA:UniProtKB-UniPathway.
DR CDD; cd04740; DHOD_1B_like; 1.
DR Gene3D; 3.20.20.70; -; 1.
DR HAMAP; MF_00224; DHO_dh_type1; 1.
DR InterPro; IPR013785; Aldolase_TIM.
DR InterPro; IPR033888; DHOD_1B.
DR InterPro; IPR005720; Dihydroorotate_DH.
DR InterPro; IPR024920; Dihydroorotate_DH_1.
DR InterPro; IPR012135; Dihydroorotate_DH_1_2.
DR InterPro; IPR001295; Dihydroorotate_DH_CS.
DR Pfam; PF01180; DHO_dh; 1.
DR PIRSF; PIRSF000164; DHO_oxidase; 1.
DR TIGRFAMs; TIGR01037; pyrD_sub1_fam; 1.
DR PROSITE; PS00911; DHODEHASE_1; 1.
DR PROSITE; PS00912; DHODEHASE_2; 1.
PE 3: Inferred from homology;
KW Cytoplasm; Flavoprotein; FMN; NAD; Oxidoreductase; Pyrimidine biosynthesis;
KW Reference proteome.
FT CHAIN 1..302
FT /note="Dihydroorotate dehydrogenase B (NAD(+)), catalytic
FT subunit"
FT /id="PRO_1000024142"
FT ACT_SITE 129
FT /note="Nucleophile"
FT BINDING 20
FT /ligand="FMN"
FT /ligand_id="ChEBI:CHEBI:58210"
FT /evidence="ECO:0000250"
FT BINDING 44..45
FT /ligand="FMN"
FT /ligand_id="ChEBI:CHEBI:58210"
FT /evidence="ECO:0000250"
FT BINDING 44
FT /ligand="substrate"
FT /evidence="ECO:0000250"
FT BINDING 68..72
FT /ligand="substrate"
FT /evidence="ECO:0000250"
FT BINDING 98
FT /ligand="FMN"
FT /ligand_id="ChEBI:CHEBI:58210"
FT /evidence="ECO:0000250"
FT BINDING 126
FT /ligand="FMN"
FT /ligand_id="ChEBI:CHEBI:58210"
FT /evidence="ECO:0000250"
FT BINDING 126
FT /ligand="substrate"
FT /evidence="ECO:0000250"
FT BINDING 164
FT /ligand="FMN"
FT /ligand_id="ChEBI:CHEBI:58210"
FT /evidence="ECO:0000250"
FT BINDING 190
FT /ligand="FMN"
FT /ligand_id="ChEBI:CHEBI:58210"
FT /evidence="ECO:0000250"
FT BINDING 191..192
FT /ligand="substrate"
FT /evidence="ECO:0000250"
FT BINDING 216
FT /ligand="FMN"
FT /ligand_id="ChEBI:CHEBI:58210"
FT /evidence="ECO:0000250"
FT BINDING 242..243
FT /ligand="FMN"
FT /ligand_id="ChEBI:CHEBI:58210"
FT /evidence="ECO:0000250"
FT BINDING 264..265
FT /ligand="FMN"
FT /ligand_id="ChEBI:CHEBI:58210"
FT /evidence="ECO:0000250"
SQ SEQUENCE 302 AA; 31726 MW; 1140A591B73FED42 CRC64;
MDLTVNLGGI KLKNPVAVAS GTFGYGLEYA DFIEPEKIGA VIVKGTTLHP RPGNPGPRIY
ETPAGMLNAI GLENPGIEVF LREYLPRLRE RQVTVIANIA GNSIEEYALM ASLLQGQEGI
AGIELNISCP NVKQGGIQFG TDPETVRQVV AAVKKETSLP VIPKLSPNVT DIVAIALAAA
DGGADALSMI NTLGGMAINI NLKKPVLGNI FGGLSGPAIK PVALKMIYQV YREVDLPILG
GGGIVNHIDA LEFFMAGATA VSIGTGNFVN PCLALELLEG IKKYMQEQGF SSIQELVGIA
HA
