ID   PYRE_CAUVN              Reviewed;         194 AA.
AC   B8H621;
DT   28-JUL-2009, integrated into UniProtKB/Swiss-Prot.
DT   03-MAR-2009, sequence version 1.
DT   03-AUG-2022, entry version 83.
DE   RecName: Full=Orotate phosphoribosyltransferase {ECO:0000255|HAMAP-Rule:MF_01208};
DE            Short=OPRT {ECO:0000255|HAMAP-Rule:MF_01208};
DE            Short=OPRTase {ECO:0000255|HAMAP-Rule:MF_01208};
DE            EC=2.4.2.10 {ECO:0000255|HAMAP-Rule:MF_01208};
GN   Name=pyrE {ECO:0000255|HAMAP-Rule:MF_01208}; OrderedLocusNames=CCNA_01624;
OS   Caulobacter vibrioides (strain NA1000 / CB15N) (Caulobacter crescentus).
OC   Bacteria; Proteobacteria; Alphaproteobacteria; Caulobacterales;
OC   Caulobacteraceae; Caulobacter.
OX   NCBI_TaxID=565050;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=NA1000 / CB15N;
RX   PubMed=20472802; DOI=10.1128/jb.00255-10;
RA   Marks M.E., Castro-Rojas C.M., Teiling C., Du L., Kapatral V.,
RA   Walunas T.L., Crosson S.;
RT   "The genetic basis of laboratory adaptation in Caulobacter crescentus.";
RL   J. Bacteriol. 192:3678-3688(2010).
CC   -!- FUNCTION: Catalyzes the transfer of a ribosyl phosphate group from 5-
CC       phosphoribose 1-diphosphate to orotate, leading to the formation of
CC       orotidine monophosphate (OMP). {ECO:0000255|HAMAP-Rule:MF_01208}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=diphosphate + orotidine 5'-phosphate = 5-phospho-alpha-D-
CC         ribose 1-diphosphate + orotate; Xref=Rhea:RHEA:10380,
CC         ChEBI:CHEBI:30839, ChEBI:CHEBI:33019, ChEBI:CHEBI:57538,
CC         ChEBI:CHEBI:58017; EC=2.4.2.10; Evidence={ECO:0000255|HAMAP-
CC         Rule:MF_01208};
CC   -!- COFACTOR:
CC       Name=Mg(2+); Xref=ChEBI:CHEBI:18420;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_01208};
CC   -!- PATHWAY: Pyrimidine metabolism; UMP biosynthesis via de novo pathway;
CC       UMP from orotate: step 1/2. {ECO:0000255|HAMAP-Rule:MF_01208}.
CC   -!- SUBUNIT: Homodimer. {ECO:0000255|HAMAP-Rule:MF_01208}.
CC   -!- SIMILARITY: Belongs to the purine/pyrimidine phosphoribosyltransferase
CC       family. PyrE subfamily. {ECO:0000255|HAMAP-Rule:MF_01208}.
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; CP001340; ACL95089.1; -; Genomic_DNA.
DR   RefSeq; WP_010919429.1; NC_011916.1.
DR   RefSeq; YP_002516997.1; NC_011916.1.
DR   AlphaFoldDB; B8H621; -.
DR   SMR; B8H621; -.
DR   PRIDE; B8H621; -.
DR   EnsemblBacteria; ACL95089; ACL95089; CCNA_01624.
DR   GeneID; 7331602; -.
DR   KEGG; ccs:CCNA_01624; -.
DR   PATRIC; fig|565050.3.peg.1602; -.
DR   HOGENOM; CLU_074878_3_0_5; -.
DR   OMA; YFQCAKV; -.
DR   OrthoDB; 1280396at2; -.
DR   PhylomeDB; B8H621; -.
DR   UniPathway; UPA00070; UER00119.
DR   Proteomes; UP000001364; Chromosome.
DR   GO; GO:0000287; F:magnesium ion binding; IEA:UniProtKB-UniRule.
DR   GO; GO:0004588; F:orotate phosphoribosyltransferase activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0044205; P:'de novo' UMP biosynthetic process; IEA:UniProtKB-UniPathway.
DR   GO; GO:0019856; P:pyrimidine nucleobase biosynthetic process; IEA:InterPro.
DR   CDD; cd06223; PRTases_typeI; 1.
DR   Gene3D; 3.40.50.2020; -; 1.
DR   HAMAP; MF_01208; PyrE; 1.
DR   InterPro; IPR023031; OPRT.
DR   InterPro; IPR006273; Orotate_PRibTrfase_bac.
DR   InterPro; IPR000836; PRibTrfase_dom.
DR   InterPro; IPR029057; PRTase-like.
DR   Pfam; PF00156; Pribosyltran; 1.
DR   SUPFAM; SSF53271; SSF53271; 1.
DR   TIGRFAMs; TIGR01367; pyrE_Therm; 1.
DR   PROSITE; PS00103; PUR_PYR_PR_TRANSFER; 1.
PE   3: Inferred from homology;
KW   Glycosyltransferase; Magnesium; Pyrimidine biosynthesis;
KW   Reference proteome; Transferase.
FT   CHAIN           1..194
FT                   /note="Orotate phosphoribosyltransferase"
FT                   /id="PRO_1000164677"
FT   BINDING         116..124
FT                   /ligand="5-phospho-alpha-D-ribose 1-diphosphate"
FT                   /ligand_id="ChEBI:CHEBI:58017"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01208"
FT   BINDING         120
FT                   /ligand="orotate"
FT                   /ligand_id="ChEBI:CHEBI:30839"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01208"
FT   BINDING         148
FT                   /ligand="orotate"
FT                   /ligand_id="ChEBI:CHEBI:30839"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01208"
SQ   SEQUENCE   194 AA;  20583 MW;  FB58C09C973FBA83 CRC64;
     MTNDDVLDEF RAAGALREGH FVLSSGLHSP VFLQKNLVFM RPERCERLCK ALAQKIIATV
     GQVDVAVSPA VGGIIPGYET ARHLNVPSIY VEREGGGFKF RRGFHLEPGQ KVVMVEDIVT
     TGLSSRECIQ AIKDAGGDVV AAACIVDRSG GKADVGVPLI ALASLEVPAY PADALPPELA
     AIPIEDPGSR RLKG