ID   PYRD_AZOSB              Reviewed;         338 AA.
AC   A1K7M2;
DT   15-JAN-2008, integrated into UniProtKB/Swiss-Prot.
DT   06-FEB-2007, sequence version 1.
DT   16-JUN-2009, entry version 22.
DE   RecName: Full=Dihydroorotate dehydrogenase;
DE            EC=1.3.3.1;
DE   AltName: Full=Dihydroorotate oxidase;
DE   AltName: Full=DHOdehase;
DE            Short=DHODase;
DE            Short=DHOD;
GN   Name=pyrD; OrderedLocusNames=azo2210;
OS   Azoarcus sp. (strain BH72).
OC   Bacteria; Proteobacteria; Betaproteobacteria; Rhodocyclales;
OC   Rhodocyclaceae; Azoarcus.
OX   NCBI_TaxID=62928;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RX   PubMed=17057704; DOI=10.1038/nbt1243;
RA   Krause A., Ramakumar A., Bartels D., Battistoni F., Bekel T., Boch J.,
RA   Boehm M., Friedrich F., Hurek T., Krause L., Linke B., McHardy A.C.,
RA   Sarkar A., Schneiker S., Syed A.A., Thauer R., Vorhoelter F.-J.,
RA   Weidner S., Puehler A., Reinhold-Hurek B., Kaiser O., Goesmann A.;
RT   "Complete genome of the mutualistic, N2-fixing grass endophyte
RT   Azoarcus sp. strain BH72.";
RL   Nat. Biotechnol. 24:1385-1391(2006).
CC   -!- CATALYTIC ACTIVITY: (S)-dihydroorotate + O(2) = orotate +
CC       H(2)O(2).
CC   -!- COFACTOR: Binds 1 FMN per subunit (By similarity).
CC   -!- PATHWAY: Pyrimidine metabolism; UMP biosynthesis via de novo
CC       pathway; UMP from HCO(3)(-): step 4/6.
CC   -!- SUBUNIT: Homodimer (By similarity).
CC   -!- SUBCELLULAR LOCATION: Cell membrane; Peripheral membrane protein
CC       (By similarity).
CC   -!- SIMILARITY: Belongs to the dihydroorotate dehydrogenase family.
CC       Type 2 subfamily.
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DR   EMBL; AM406670; CAL94827.1; -; Genomic_DNA.
DR   RefSeq; YP_933714.1; -.
DR   GeneID; 4608363; -.
DR   GenomeReviews; AM406670_GR; azo2210.
DR   KEGG; azo:azo2210; -.
DR   OMA; A1K7M2; AALNRMG.
DR   GO; GO:0005886; C:plasma membrane; IEA:UniProtKB-SubCell.
DR   GO; GO:0004158; F:dihydroorotate oxidase activity; IEA:HAMAP.
DR   GO; GO:0006207; P:'de novo' pyrimidine base biosynthetic process; IEA:InterPro.
DR   GO; GO:0055114; P:oxidation reduction; IEA:UniProtKB-KW.
DR   GO; GO:0006222; P:UMP biosynthetic process; IEA:InterPro.
DR   HAMAP; MF_00225; -; 1.
DR   InterPro; IPR013785; Aldolase_TIM.
DR   InterPro; IPR012135; Dihydroorotate_DH_1_2.
DR   InterPro; IPR005719; Dihydroorotate_DH_2.
DR   InterPro; IPR001295; Dihydroorotate_DH_CS.
DR   Gene3D; G3DSA:3.20.20.70; Aldolase_TIM; 1.
DR   Pfam; PF01180; DHO_dh; 1.
DR   PIRSF; PIRSF000164; DHO_oxidase; 1.
DR   TIGRFAMs; TIGR01036; pyrD_sub2; 1.
DR   PROSITE; PS00911; DHODEHASE_1; 1.
DR   PROSITE; PS00912; DHODEHASE_2; 1.
PE   3: Inferred from homology;
KW   Cell membrane; Complete proteome; Flavoprotein; FMN; Membrane;
KW   Oxidoreductase; Pyrimidine biosynthesis.
FT   CHAIN         1    338       Dihydroorotate dehydrogenase.
FT                                /FTId=PRO_1000024152.
FT   ACT_SITE    172    172       Nucleophile (By similarity).
SQ   SEQUENCE   338 AA;  36234 MW;  B3028C831DC3CA8B CRC64;
     MLYDIARPFL FSLDAETAHE FTLAALNLAG RTLPAGKPEA ADAVRVMGID FPNRIGLAAG
     LDKNGEAIDG LARLGFGFIE IGTITPRPQP GNPRPRLFRL PEVRGIINRM GFNNHGVDTL
     VANVKAARFK GVLGINIGKN FDTPIENAAD DYLACLDKVY PLASYVTVNI SSPNTKNLRQ
     LQGESELDDL LGRLKSAQQR LADQHGRYVP LTLKIAPDLE AAQITNIADA LRRHRIDAVI
     ATNTTISRDK VQGVRFAEQQ GGLSGAPVFE ASTAVVAQLA TALGGELPII AAGGVMDTRS
     ARAKLEAGAS LVQLYSGLIY RGPCLVRECV RATADFPR
//