ID   PYRDA_AERPE             Reviewed;         306 AA.
AC   Q9YFI6;
DT   01-DEC-2000, integrated into UniProtKB/Swiss-Prot.
DT   26-JUN-2007, sequence version 2.
DT   03-AUG-2022, entry version 123.
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=APE_0260.1;
OS   Aeropyrum pernix (strain ATCC 700893 / DSM 11879 / JCM 9820 / NBRC 100138 /
OS   K1).
OC   Archaea; Crenarchaeota; Thermoprotei; Desulfurococcales;
OC   Desulfurococcaceae; Aeropyrum.
OX   NCBI_TaxID=272557;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 700893 / DSM 11879 / JCM 9820 / NBRC 100138 / K1;
RX   PubMed=10382966; DOI=10.1093/dnares/6.2.83;
RA   Kawarabayasi Y., Hino Y., Horikawa H., Yamazaki S., Haikawa Y., Jin-no K.,
RA   Takahashi M., Sekine M., Baba S., Ankai A., Kosugi H., Hosoyama A.,
RA   Fukui S., Nagai Y., Nishijima K., Nakazawa H., Takamiya M., Masuda S.,
RA   Funahashi T., Tanaka T., Kudoh Y., Yamazaki J., Kushida N., Oguchi A.,
RA   Aoki K., Kubota K., Nakamura Y., Nomura N., Sako Y., Kikuchi H.;
RT   "Complete genome sequence of an aerobic hyper-thermophilic crenarchaeon,
RT   Aeropyrum pernix K1.";
RL   DNA Res. 6:83-101(1999).
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; BA000002; BAA79175.2; -; Genomic_DNA.
DR   PIR; E72784; E72784.
DR   AlphaFoldDB; Q9YFI6; -.
DR   SMR; Q9YFI6; -.
DR   STRING; 272557.APE_0260.1; -.
DR   EnsemblBacteria; BAA79175; BAA79175; APE_0260.1.
DR   KEGG; ape:APE_0260.1; -.
DR   PATRIC; fig|272557.25.peg.189; -.
DR   eggNOG; arCOG00603; Archaea.
DR   UniPathway; UPA00070; -.
DR   Proteomes; UP000002518; 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:0044205; P:'de novo' UMP biosynthetic process; IEA:UniProtKB-UniPathway.
DR   Gene3D; 3.20.20.70; -; 1.
DR   HAMAP; MF_00224; DHO_dh_type1; 1.
DR   InterPro; IPR013785; Aldolase_TIM.
DR   InterPro; IPR005720; Dihydroorotate_DH.
DR   InterPro; IPR024920; Dihydroorotate_DH_1.
DR   InterPro; IPR012135; Dihydroorotate_DH_1_2.
DR   Pfam; PF01180; DHO_dh; 1.
DR   PIRSF; PIRSF000164; DHO_oxidase; 1.
DR   TIGRFAMs; TIGR01037; pyrD_sub1_fam; 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_0000148406"
FT   ACT_SITE        132
FT                   /note="Nucleophile"
FT   BINDING         24
FT                   /ligand="FMN"
FT                   /ligand_id="ChEBI:CHEBI:58210"
FT                   /evidence="ECO:0000250"
FT   BINDING         48..49
FT                   /ligand="FMN"
FT                   /ligand_id="ChEBI:CHEBI:58210"
FT                   /evidence="ECO:0000250"
FT   BINDING         48
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000250"
FT   BINDING         72..76
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000250"
FT   BINDING         129
FT                   /ligand="FMN"
FT                   /ligand_id="ChEBI:CHEBI:58210"
FT                   /evidence="ECO:0000250"
FT   BINDING         129
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000250"
FT   BINDING         167
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"
SQ   SEQUENCE   306 AA;  32121 MW;  B07059307532510D CRC64;
     MYSQPELSIS IAGLRLQRPV GNASGILGWE PREARLVEEG GGGFFVAKSV TYQPRKGYPQ
     PHLYPVAGGI VNAVGLANPG FREASKMLAQ TVEEASIPVI ASIAGGAPGE WVEMASTLEE
     AGVSAVELNL SCPHFAGGGL ELGQDPAAVA SVVSAVASTL RIPVIAKLGY SDRLVDAASK
     ALEAGARGLT LINSMRAMKI DVYAKKPVLG NRVGGLSGKP IHPIAVRAVY EVYGETRADI
     FAAGGVESWE DAVEFYLAGA KAVQVGAAFI TIGPHVLRSI VEGVRRYLWV EGFRSLQDIV
     GYAHRA