ID D7E520_NOSA0 Unreviewed; 208 AA.
AC D7E520;
DT 10-AUG-2010, integrated into UniProtKB/TrEMBL.
DT 10-AUG-2010, sequence version 1.
DT 27-MAR-2024, entry version 79.
DE RecName: Full=Orotate phosphoribosyltransferase {ECO:0000256|ARBA:ARBA00011971, ECO:0000256|HAMAP-Rule:MF_01208};
DE Short=OPRT {ECO:0000256|HAMAP-Rule:MF_01208};
DE Short=OPRTase {ECO:0000256|HAMAP-Rule:MF_01208};
DE EC=2.4.2.10 {ECO:0000256|ARBA:ARBA00011971, ECO:0000256|HAMAP-Rule:MF_01208};
GN Name=pyrE {ECO:0000256|HAMAP-Rule:MF_01208};
GN OrderedLocusNames=Aazo_1651 {ECO:0000313|EMBL:ADI63817.1};
OS Nostoc azollae (strain 0708) (Anabaena azollae (strain 0708)).
OC Bacteria; Cyanobacteriota; Cyanophyceae; Nostocales; Nostocaceae;
OC Trichormus.
OX NCBI_TaxID=551115 {ECO:0000313|EMBL:ADI63817.1, ECO:0000313|Proteomes:UP000001511};
RN [1] {ECO:0000313|EMBL:ADI63817.1, ECO:0000313|Proteomes:UP000001511}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=0708 {ECO:0000313|EMBL:ADI63817.1,
RC ECO:0000313|Proteomes:UP000001511};
RX PubMed=20628610; DOI=10.1371/journal.pone.0011486;
RA Ran L., Larsson J., Vigil-Stenman T., Nylander J.A., Ininbergs K.,
RA Zheng W.W., Lapidus A., Lowry S., Haselkorn R., Bergman B.;
RT "Genome erosion in a nitrogen-fixing vertically transmitted endosymbiotic
RT multicellular cyanobacterium.";
RL PLoS ONE 5:E11486-E11486(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:0000256|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:0000256|HAMAP-
CC Rule:MF_01208};
CC -!- COFACTOR:
CC Name=Mg(2+); Xref=ChEBI:CHEBI:18420;
CC Evidence={ECO:0000256|HAMAP-Rule:MF_01208};
CC -!- PATHWAY: Pyrimidine metabolism; UMP biosynthesis via de novo pathway;
CC UMP from orotate: step 1/2. {ECO:0000256|ARBA:ARBA00004889,
CC ECO:0000256|HAMAP-Rule:MF_01208}.
CC -!- SUBUNIT: Homodimer. {ECO:0000256|HAMAP-Rule:MF_01208}.
CC -!- SIMILARITY: Belongs to the purine/pyrimidine phosphoribosyltransferase
CC family. PyrE subfamily. {ECO:0000256|HAMAP-Rule:MF_01208}.
CC -!- CAUTION: Lacks conserved residue(s) required for the propagation of
CC feature annotation. {ECO:0000256|HAMAP-Rule:MF_01208}.
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DR EMBL; CP002059; ADI63817.1; -; Genomic_DNA.
DR RefSeq; WP_013190835.1; NC_014248.1.
DR AlphaFoldDB; D7E520; -.
DR STRING; 551115.Aazo_1651; -.
DR KEGG; naz:Aazo_1651; -.
DR eggNOG; COG0461; Bacteria.
DR HOGENOM; CLU_074878_2_1_3; -.
DR OrthoDB; 9785917at2; -.
DR UniPathway; UPA00070; UER00119.
DR Proteomes; UP000001511; 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 CDD; cd06223; PRTases_typeI; 1.
DR Gene3D; 3.40.50.2020; -; 1.
DR HAMAP; MF_01208; PyrE; 1.
DR InterPro; IPR023031; OPRT.
DR InterPro; IPR004467; Or_phspho_trans_dom.
DR InterPro; IPR000836; PRibTrfase_dom.
DR InterPro; IPR029057; PRTase-like.
DR NCBIfam; TIGR00336; pyrE; 1.
DR PANTHER; PTHR19278; OROTATE PHOSPHORIBOSYLTRANSFERASE; 1.
DR PANTHER; PTHR19278:SF9; URIDINE 5'-MONOPHOSPHATE SYNTHASE; 1.
DR Pfam; PF00156; Pribosyltran; 1.
DR SUPFAM; SSF53271; PRTase-like; 1.
PE 3: Inferred from homology;
KW Glycosyltransferase {ECO:0000256|HAMAP-Rule:MF_01208,
KW ECO:0000313|EMBL:ADI63817.1}; Magnesium {ECO:0000256|HAMAP-Rule:MF_01208};
KW Pyrimidine biosynthesis {ECO:0000256|ARBA:ARBA00022975, ECO:0000256|HAMAP-
KW Rule:MF_01208}; Reference proteome {ECO:0000313|Proteomes:UP000001511};
KW Transferase {ECO:0000256|HAMAP-Rule:MF_01208, ECO:0000313|EMBL:ADI63817.1}.
FT DOMAIN 118..182
FT /note="Phosphoribosyltransferase"
FT /evidence="ECO:0000259|Pfam:PF00156"
FT BINDING 114
FT /ligand="5-phospho-alpha-D-ribose 1-diphosphate"
FT /ligand_id="ChEBI:CHEBI:58017"
FT /ligand_note="ligand shared between dimeric partners"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01208"
FT BINDING 115
FT /ligand="5-phospho-alpha-D-ribose 1-diphosphate"
FT /ligand_id="ChEBI:CHEBI:58017"
FT /ligand_note="ligand shared between dimeric partners"
FT /note="in other chain"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01208"
FT BINDING 118
FT /ligand="5-phospho-alpha-D-ribose 1-diphosphate"
FT /ligand_id="ChEBI:CHEBI:58017"
FT /ligand_note="ligand shared between dimeric partners"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01208"
FT BINDING 120
FT /ligand="5-phospho-alpha-D-ribose 1-diphosphate"
FT /ligand_id="ChEBI:CHEBI:58017"
FT /ligand_note="ligand shared between dimeric partners"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01208"
FT BINDING 141..149
FT /ligand="5-phospho-alpha-D-ribose 1-diphosphate"
FT /ligand_id="ChEBI:CHEBI:58017"
FT /ligand_note="ligand shared between dimeric partners"
FT /note="in other chain"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01208"
FT BINDING 145
FT /ligand="orotate"
FT /ligand_id="ChEBI:CHEBI:30839"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01208"
FT BINDING 173
FT /ligand="orotate"
FT /ligand_id="ChEBI:CHEBI:30839"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01208"
SQ SEQUENCE 208 AA; 22612 MW; D7D44CD92F7E6449 CRC64;
MSYSTETSNQ SDIWAITTDL TTLRQKLLDL FCRLAYQEGD FVLSSGQRSF YYINGKQVTL
HPQGALAVGR LLLHLLPIDT QGVAGLTLGA DPIVSAVSVV SVYENRLLPA LIIRKEAKGH
GTMAYIEGPT LPAGAKVVVL EDVVTTGQSA LKAVERLQAA GYTVNRVISL IDRLQGGAEL
YKSAGLQFDA LFSIQDLQEE YRKIAGKR
//