ID   PYRDA_STRS7             Reviewed;         311 AA.
AC   C0MCW6;
DT   22-SEP-2009, integrated into UniProtKB/Swiss-Prot.
DT   05-MAY-2009, sequence version 1.
DT   03-AUG-2022, entry version 80.
DE   RecName: Full=Putative dihydroorotate dehydrogenase A (fumarate);
DE            Short=DHOD A;
DE            Short=DHODase A;
DE            Short=DHOdehase A;
DE            EC=1.3.98.1;
GN   Name=pyrD; OrderedLocusNames=SZO_13640;
OS   Streptococcus equi subsp. zooepidemicus (strain H70).
OC   Bacteria; Firmicutes; Bacilli; Lactobacillales; Streptococcaceae;
OC   Streptococcus.
OX   NCBI_TaxID=553483;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=H70;
RX   PubMed=19325880; DOI=10.1371/journal.ppat.1000346;
RA   Holden M.T.G., Heather Z., Paillot R., Steward K.F., Webb K., Ainslie F.,
RA   Jourdan T., Bason N.C., Holroyd N.E., Mungall K., Quail M.A., Sanders M.,
RA   Simmonds M., Willey D., Brooks K., Aanensen D.M., Spratt B.G., Jolley K.A.,
RA   Maiden M.C.J., Kehoe M., Chanter N., Bentley S.D., Robinson C.,
RA   Maskell D.J., Parkhill J., Waller A.S.;
RT   "Genomic evidence for the evolution of Streptococcus equi: host
RT   restriction, increased virulence, and genetic exchange with human
RT   pathogens.";
RL   PLoS Pathog. 5:E1000346-E1000346(2009).
CC   -!- FUNCTION: Catalyzes the conversion of dihydroorotate to orotate with
CC       fumarate as the electron acceptor. {ECO:0000250}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=(S)-dihydroorotate + fumarate = orotate + succinate;
CC         Xref=Rhea:RHEA:30059, ChEBI:CHEBI:29806, ChEBI:CHEBI:30031,
CC         ChEBI:CHEBI:30839, ChEBI:CHEBI:30864; EC=1.3.98.1;
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   -!- SUBUNIT: Homodimer. {ECO:0000250}.
CC   -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000250}.
CC   -!- SIMILARITY: Belongs to the dihydroorotate dehydrogenase family. Type 1
CC       subfamily. {ECO:0000305}.
CC   ---------------------------------------------------------------------------
CC   Copyrighted by the UniProt Consortium, see https://www.uniprot.org/terms
CC   Distributed under the Creative Commons Attribution (CC BY 4.0) License
CC   ---------------------------------------------------------------------------
DR   EMBL; FM204884; CAW99934.1; -; Genomic_DNA.
DR   AlphaFoldDB; C0MCW6; -.
DR   SMR; C0MCW6; -.
DR   EnsemblBacteria; CAW99934; CAW99934; SZO_13640.
DR   KEGG; seq:SZO_13640; -.
DR   eggNOG; COG0167; Bacteria.
DR   HOGENOM; CLU_042042_3_0_9; -.
DR   OMA; CPISFIT; -.
DR   UniPathway; UPA00070; -.
DR   Proteomes; UP000001368; Chromosome.
DR   GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR   GO; GO:1990663; F:dihydroorotate dehydrogenase (fumarate) 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; cd04741; DHOD_1A_like; 1.
DR   Gene3D; 3.20.20.70; -; 1.
DR   HAMAP; MF_00224; DHO_dh_type1; 1.
DR   InterPro; IPR013785; Aldolase_TIM.
DR   InterPro; IPR033886; DHOD_1A.
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; PS00912; DHODEHASE_2; 1.
PE   3: Inferred from homology;
KW   Cytoplasm; Flavoprotein; FMN; Oxidoreductase; Pyrimidine biosynthesis.
FT   CHAIN           1..311
FT                   /note="Putative dihydroorotate dehydrogenase A (fumarate)"
FT                   /id="PRO_1000204311"
FT   ACT_SITE        131
FT                   /note="Nucleophile"
FT   BINDING         45..46
FT                   /ligand="FMN"
FT                   /ligand_id="ChEBI:CHEBI:58210"
FT                   /evidence="ECO:0000250"
FT   BINDING         45
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000250"
FT   BINDING         69..73
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         165
FT                   /ligand="FMN"
FT                   /ligand_id="ChEBI:CHEBI:58210"
FT                   /evidence="ECO:0000250"
FT   BINDING         193
FT                   /ligand="FMN"
FT                   /ligand_id="ChEBI:CHEBI:58210"
FT                   /evidence="ECO:0000250"
FT   BINDING         194..195
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000250"
FT   BINDING         220
FT                   /ligand="FMN"
FT                   /ligand_id="ChEBI:CHEBI:58210"
FT                   /evidence="ECO:0000250"
FT   BINDING         248..249
FT                   /ligand="FMN"
FT                   /ligand_id="ChEBI:CHEBI:58210"
FT                   /evidence="ECO:0000250"
FT   BINDING         270..271
FT                   /ligand="FMN"
FT                   /ligand_id="ChEBI:CHEBI:58210"
FT                   /evidence="ECO:0000250"
SQ   SEQUENCE   311 AA;  33993 MW;  AC68F6557C26FF90 CRC64;
     MVSTATKIAT FAFDNCLMNA AGVYCMTKEE LLAIEASEAG SFVTKTGTLA PRQGNPEPRY
     ADTALGSINS MGLPNHGYQY YLDIVTEMQK DQASKHHFLS VVGMSAEETE TILKAIQASD
     YQGLVELNLS CPNVPGKPQL AYDFEATDQL LKKIFSYYTK PLGIKLPPYF DIVHFDQAAA
     IFNQYPLAFV NCVNSIGNGL VIDDEQVVIK PKSGFGGIGG DYIKPTALAN VHAFYQRLNP
     SIQIIGTGGV KTGRDAFEHI LCGAAMVQIG TALHQEGPAI FKRITKELQD IMAEKGYQTL
     DDFRGQLQYK P