ID   PYRE_HELPJ              Reviewed;         201 AA.
AC   Q9ZJX0;
DT   01-DEC-2000, integrated into UniProtKB/Swiss-Prot.
DT   01-MAY-1999, sequence version 1.
DT   03-AUG-2022, entry version 119.
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=jhp_1178;
OS   Helicobacter pylori (strain J99 / ATCC 700824) (Campylobacter pylori J99).
OC   Bacteria; Proteobacteria; Epsilonproteobacteria; Campylobacterales;
OC   Helicobacteraceae; Helicobacter.
OX   NCBI_TaxID=85963;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=J99 / ATCC 700824;
RX   PubMed=9923682; DOI=10.1038/16495;
RA   Alm R.A., Ling L.-S.L., Moir D.T., King B.L., Brown E.D., Doig P.C.,
RA   Smith D.R., Noonan B., Guild B.C., deJonge B.L., Carmel G., Tummino P.J.,
RA   Caruso A., Uria-Nickelsen M., Mills D.M., Ives C., Gibson R., Merberg D.,
RA   Mills S.D., Jiang Q., Taylor D.E., Vovis G.F., Trust T.J.;
RT   "Genomic sequence comparison of two unrelated isolates of the human gastric
RT   pathogen Helicobacter pylori.";
RL   Nature 397:176-180(1999).
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; AE001439; AAD06764.1; -; Genomic_DNA.
DR   PIR; G71837; G71837.
DR   RefSeq; WP_000351601.1; NC_000921.1.
DR   AlphaFoldDB; Q9ZJX0; -.
DR   SMR; Q9ZJX0; -.
DR   STRING; 85963.jhp_1178; -.
DR   EnsemblBacteria; AAD06764; AAD06764; jhp_1178.
DR   KEGG; hpj:jhp_1178; -.
DR   PATRIC; fig|85963.30.peg.1394; -.
DR   eggNOG; COG0461; Bacteria.
DR   OMA; YFQCAKV; -.
DR   UniPathway; UPA00070; UER00119.
DR   Proteomes; UP000000804; 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   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; Transferase.
FT   CHAIN           1..201
FT                   /note="Orotate phosphoribosyltransferase"
FT                   /id="PRO_0000110702"
FT   BINDING         113..121
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         117
FT                   /ligand="orotate"
FT                   /ligand_id="ChEBI:CHEBI:30839"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01208"
FT   BINDING         145
FT                   /ligand="orotate"
FT                   /ligand_id="ChEBI:CHEBI:30839"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01208"
SQ   SEQUENCE   201 AA;  21933 MW;  8C774BD9616D97DC CRC64;
     MDIKACYQNA QALLEGHFLL SSGFHSNYYL QSAKVLEDPK LAEQLALELA KQIQEAHLNI
     ECVCSPAIGG ILAGYELARA LGVRFIFTER VDNTMTLRRG FEVKKNEKIL VCEDIITTGK
     SAMECAKVLE EKGAQIVAFG ALANRGICKR AHSHLKAQEG ACLPSHLPLF ALEDFVFDMH
     KPSSCPLCAT SVAIKPGSRG N