PYRDB_DESAP
ID PYRDB_DESAP Reviewed; 307 AA.
AC B1I4M6;
DT 24-MAR-2009, integrated into UniProtKB/Swiss-Prot.
DT 29-APR-2008, sequence version 1.
DT 03-AUG-2022, entry version 77.
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=Daud_1300;
OS Desulforudis audaxviator (strain MP104C).
OC Bacteria; Firmicutes; Clostridia; Eubacteriales; Peptococcaceae;
OC Candidatus Desulforudis.
OX NCBI_TaxID=477974;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=MP104C;
RA Copeland A., Lucas S., Lapidus A., Barry K., Glavina del Rio T., Dalin E.,
RA Tice H., Bruce D., Pitluck S., Lowry S.R., Larimer F., Land M.L.,
RA Hauser L., Kyrpides N., Ivanova N.N., Richardson P.;
RT "Complete sequence of chromosome of Desulforudis audaxviator MP104C.";
RL Submitted (OCT-2007) to the EMBL/GenBank/DDBJ databases.
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; CP000860; ACA59811.1; -; Genomic_DNA.
DR RefSeq; WP_012302396.1; NC_010424.1.
DR AlphaFoldDB; B1I4M6; -.
DR SMR; B1I4M6; -.
DR STRING; 477974.Daud_1300; -.
DR EnsemblBacteria; ACA59811; ACA59811; Daud_1300.
DR KEGG; dau:Daud_1300; -.
DR eggNOG; COG0167; Bacteria.
DR HOGENOM; CLU_042042_0_0_9; -.
DR OMA; SCPHAKG; -.
DR OrthoDB; 1109542at2; -.
DR UniPathway; UPA00070; UER00945.
DR Proteomes; UP000008544; 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..307
FT /note="Dihydroorotate dehydrogenase B (NAD(+)), catalytic
FT subunit"
FT /id="PRO_1000100221"
FT ACT_SITE 131
FT /note="Nucleophile"
FT BINDING 22
FT /ligand="FMN"
FT /ligand_id="ChEBI:CHEBI:58210"
FT /evidence="ECO:0000250"
FT BINDING 46..47
FT /ligand="FMN"
FT /ligand_id="ChEBI:CHEBI:58210"
FT /evidence="ECO:0000250"
FT BINDING 46
FT /ligand="substrate"
FT /evidence="ECO:0000250"
FT BINDING 70..74
FT /ligand="substrate"
FT /evidence="ECO:0000250"
FT BINDING 128
FT /ligand="FMN"
FT /ligand_id="ChEBI:CHEBI:58210"
FT /evidence="ECO:0000250"
FT BINDING 128
FT /ligand="substrate"
FT /evidence="ECO:0000250"
FT BINDING 166
FT /ligand="FMN"
FT /ligand_id="ChEBI:CHEBI:58210"
FT /evidence="ECO:0000250"
FT BINDING 192
FT /ligand="FMN"
FT /ligand_id="ChEBI:CHEBI:58210"
FT /evidence="ECO:0000250"
FT BINDING 193..194
FT /ligand="substrate"
FT /evidence="ECO:0000250"
FT BINDING 218
FT /ligand="FMN"
FT /ligand_id="ChEBI:CHEBI:58210"
FT /evidence="ECO:0000250"
FT BINDING 244..245
FT /ligand="FMN"
FT /ligand_id="ChEBI:CHEBI:58210"
FT /evidence="ECO:0000250"
FT BINDING 266..267
FT /ligand="FMN"
FT /ligand_id="ChEBI:CHEBI:58210"
FT /evidence="ECO:0000250"
SQ SEQUENCE 307 AA; 31477 MW; B8816F6D2641FAD3 CRC64;
MKVKTAVAIA GLTLKNPVLT ASGTVGFGEE YAPYLDLAGL GALVVKTVTL KPRAGNPPPR
ITETPAGVIN AVGLQNPGVE ALVRDILPRL ARFDVPVIVS IAGETVDEYA RLAGRLDGVP
GIAALEVNIS CPNVKAGGIA FGTEPAMTAA VVRQVRENTR LPVIAKLSPN VTDIRTIALA
AAGAGADALS LINTLSAMVI DVERRRPLLG NVFGGLSGPA VRPVAVRAVW QVYQAVELPL
IGMGGIMTAR DALEFILAGA RAVAVGTANL VNPGAAAAVA ADLEQYLTEQ GIRDINELVG
AAHRTGG
