PYRDA_AQUAE
ID PYRDA_AQUAE Reviewed; 306 AA.
AC O66461;
DT 15-DEC-1998, integrated into UniProtKB/Swiss-Prot.
DT 01-AUG-1998, sequence version 1.
DT 03-AUG-2022, entry version 134.
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=aq_046;
OS Aquifex aeolicus (strain VF5).
OC Bacteria; Aquificae; Aquificales; Aquificaceae; Aquifex.
OX NCBI_TaxID=224324;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=VF5;
RX PubMed=9537320; DOI=10.1038/32831;
RA Deckert G., Warren P.V., Gaasterland T., Young W.G., Lenox A.L.,
RA Graham D.E., Overbeek R., Snead M.A., Keller M., Aujay M., Huber R.,
RA Feldman R.A., Short J.M., Olsen G.J., Swanson R.V.;
RT "The complete genome of the hyperthermophilic bacterium Aquifex aeolicus.";
RL Nature 392:353-358(1998).
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}.
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DR EMBL; AE000657; AAC06426.1; -; Genomic_DNA.
DR PIR; B70304; B70304.
DR RefSeq; NP_213021.1; NC_000918.1.
DR RefSeq; WP_010879959.1; NC_000918.1.
DR AlphaFoldDB; O66461; -.
DR SMR; O66461; -.
DR STRING; 224324.aq_046; -.
DR EnsemblBacteria; AAC06426; AAC06426; aq_046.
DR KEGG; aae:aq_046; -.
DR PATRIC; fig|224324.8.peg.37; -.
DR eggNOG; COG0167; Bacteria.
DR HOGENOM; CLU_042042_0_0_0; -.
DR InParanoid; O66461; -.
DR OMA; SCPHAKG; -.
DR OrthoDB; 1109542at2; -.
DR UniPathway; UPA00070; -.
DR Proteomes; UP000000798; Chromosome.
DR GO; GO:0005737; C:cytoplasm; IBA:GO_Central.
DR GO; GO:1990663; F:dihydroorotate dehydrogenase (fumarate) activity; IEA:UniProtKB-EC.
DR GO; GO:0004152; F:dihydroorotate dehydrogenase activity; IBA:GO_Central.
DR GO; GO:0006207; P:'de novo' pyrimidine nucleobase biosynthetic process; IBA:GO_Central.
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; Oxidoreductase; Pyrimidine biosynthesis;
KW Reference proteome.
FT CHAIN 1..306
FT /note="Putative dihydroorotate dehydrogenase A (fumarate)"
FT /id="PRO_0000148386"
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 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 306 AA; 33523 MW; 3E1E04D8DE1FCD53 CRC64;
MDLSVELFGI RFKNPVWVAS GTFGYGVEAA EIYDISKLGA VVTKGLSLKE RLGNETPRIV
ETPCGMLNSI GLQNPGVEKF LKEIYPKIKD VDTHFIANVF GETEEEYVEV CMALEDADKI
VAYELNVSCP NVKKGGILFG HDPVILGNLV DRIKAKIKKP LLVKLSPNVT DVTEFAKVCI
ENGADGLVLI NTLMGMKINI WKRKPDLATK TGGLSGPAIL PIAVRMIYQV YEKFGDRIPI
IGVGGITTWE DAMEHVMAGA SAVQVGTANF YEPLAPLKVI EGIENFMKSQ NIKDFKELIG
IAHRVE
