ID   PYRC_ECOL6              Reviewed;         348 AA.
AC   Q8FIR2;
DT   22-AUG-2003, integrated into UniProtKB/Swiss-Prot.
DT   23-JAN-2007, sequence version 3.
DT   16-JUN-2009, entry version 47.
DE   RecName: Full=Dihydroorotase;
DE            Short=DHOase;
DE            EC=3.5.2.3;
GN   Name=pyrC; OrderedLocusNames=c1329;
OS   Escherichia coli O6.
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Enterobacteriales;
OC   Enterobacteriaceae; Escherichia.
OX   NCBI_TaxID=217992;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=O6:H1 / CFT073 / ATCC 700928 / UPEC;
RX   MEDLINE=22388234; PubMed=12471157; DOI=10.1073/pnas.252529799;
RA   Welch R.A., Burland V., Plunkett G. III, Redford P., Roesch P.,
RA   Rasko D., Buckles E.L., Liou S.-R., Boutin A., Hackett J., Stroud D.,
RA   Mayhew G.F., Rose D.J., Zhou S., Schwartz D.C., Perna N.T.,
RA   Mobley H.L.T., Donnenberg M.S., Blattner F.R.;
RT   "Extensive mosaic structure revealed by the complete genome sequence
RT   of uropathogenic Escherichia coli.";
RL   Proc. Natl. Acad. Sci. U.S.A. 99:17020-17024(2002).
CC   -!- CATALYTIC ACTIVITY: (S)-dihydroorotate + H(2)O = N-carbamoyl-L-
CC       aspartate.
CC   -!- COFACTOR: Binds 2 zinc ions per subunit (By similarity).
CC   -!- PATHWAY: Pyrimidine metabolism; UMP biosynthesis via de novo
CC       pathway; UMP from HCO(3)(-): step 3/6.
CC   -!- SUBUNIT: Homodimer (By similarity).
CC   -!- SIMILARITY: Belongs to the DHOase family. Type 1 subfamily.
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DR   EMBL; AE014075; AAN79802.1; -; Genomic_DNA.
DR   RefSeq; NP_753242.1; -.
DR   HSSP; P05020; 1J79.
DR   GeneID; 1035029; -.
DR   GenomeReviews; AE014075_GR; c1329.
DR   KEGG; ecc:c1329; -.
DR   NMPDR; fig|199310.1.peg.1285; -.
DR   HOGENOM; Q8FIR2; -.
DR   OMA; Q8FIR2; IMPNLVP.
DR   BRENDA; 3.5.2.3; 292881.
DR   GO; GO:0004151; F:dihydroorotase activity; IEA:HAMAP.
DR   GO; GO:0008270; F:zinc ion binding; IEA:HAMAP.
DR   GO; GO:0019856; P:pyrimidine base biosynthetic process; IEA:InterPro.
DR   GO; GO:0006221; P:pyrimidine nucleotide biosynthetic process; IEA:HAMAP.
DR   HAMAP; MF_00219; -; 1.
DR   InterPro; IPR006680; Amidohydro_1.
DR   InterPro; IPR004721; DHOdimr.
DR   InterPro; IPR002195; Dihydroorotase_CS.
DR   Pfam; PF01979; Amidohydro_1; 1.
DR   PIRSF; PIRSF001237; DHOdimr; 1.
DR   TIGRFAMs; TIGR00856; pyrC_dimer; 1.
DR   PROSITE; PS00482; DIHYDROOROTASE_1; 1.
DR   PROSITE; PS00483; DIHYDROOROTASE_2; 1.
PE   3: Inferred from homology;
KW   Complete proteome; Hydrolase; Metal-binding; Pyrimidine biosynthesis;
KW   Zinc.
FT   INIT_MET      1      1       Removed (By similarity).
FT   CHAIN         2    348       Dihydroorotase.
FT                                /FTId=PRO_0000147206.
FT   METAL        17     17       Zinc 1 (By similarity).
FT   METAL        19     19       Zinc 1 (By similarity).
FT   METAL       103    103       Zinc 1; via carbamate group (By
FT                                similarity).
FT   METAL       103    103       Zinc 2; via carbamate group (By
FT                                similarity).
FT   METAL       140    140       Zinc 2 (By similarity).
FT   METAL       178    178       Zinc 2 (By similarity).
FT   METAL       251    251       Zinc 1 (By similarity).
FT   MOD_RES     103    103       N6-carboxylysine (By similarity).
SQ   SEQUENCE   348 AA;  38760 MW;  693414ADEEE3646D CRC64;
     MTAPSQVLKI RCPDDWHLHL RDGDMLKTVV PYTSEIYGRA IVMPNLAPPV TTVEAAVAYR
     QRILDAVPAG HDFTPLMTCY LTDSLDPNEL ERGFNEGVFT AAKLYPANAT TNSSHGVTSV
     DAIMPVLERM EKIGMPLLVH GEVTHADIDI FDREARFIES VMEPLRQRLT ALKVVFEHIT
     TKDAADYVRD GNERLAATIT PQHLMFNRNH MLVGGVRPHL YCLPILKRNI HQQALRELVA
     SGFNRVFLGT DSAPHARHRK ESSCGCAGCF NAPTALGSYA TVFEEMNALQ HFEAFCSVNG
     PQFYGLPVND TFIELVREEQ QVAESIALTD DTLVPFLAGE TVRWSVKQ
//