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XPT_PSEE4
ID   XPT_PSEE4               Reviewed;         190 AA.
AC   Q1I2W1;
DT   10-JUN-2008, integrated into UniProtKB/Swiss-Prot.
DT   13-JUN-2006, sequence version 1.
DT   03-AUG-2022, entry version 92.
DE   RecName: Full=Xanthine phosphoribosyltransferase {ECO:0000255|HAMAP-Rule:MF_01184};
DE            Short=XPRTase {ECO:0000255|HAMAP-Rule:MF_01184};
DE            EC=2.4.2.22 {ECO:0000255|HAMAP-Rule:MF_01184};
GN   Name=xpt {ECO:0000255|HAMAP-Rule:MF_01184}; OrderedLocusNames=PSEEN5411;
OS   Pseudomonas entomophila (strain L48).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Pseudomonadales;
OC   Pseudomonadaceae; Pseudomonas.
OX   NCBI_TaxID=384676;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=L48;
RX   PubMed=16699499; DOI=10.1038/nbt1212;
RA   Vodovar N., Vallenet D., Cruveiller S., Rouy Z., Barbe V., Acosta C.,
RA   Cattolico L., Jubin C., Lajus A., Segurens B., Vacherie B., Wincker P.,
RA   Weissenbach J., Lemaitre B., Medigue C., Boccard F.;
RT   "Complete genome sequence of the entomopathogenic and metabolically
RT   versatile soil bacterium Pseudomonas entomophila.";
RL   Nat. Biotechnol. 24:673-679(2006).
CC   -!- FUNCTION: Converts the preformed base xanthine, a product of nucleic
CC       acid breakdown, to xanthosine 5'-monophosphate (XMP), so it can be
CC       reused for RNA or DNA synthesis. {ECO:0000255|HAMAP-Rule:MF_01184}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=diphosphate + XMP = 5-phospho-alpha-D-ribose 1-diphosphate +
CC         xanthine; Xref=Rhea:RHEA:10800, ChEBI:CHEBI:17712, ChEBI:CHEBI:33019,
CC         ChEBI:CHEBI:57464, ChEBI:CHEBI:58017; EC=2.4.2.22;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_01184};
CC   -!- PATHWAY: Purine metabolism; XMP biosynthesis via salvage pathway; XMP
CC       from xanthine: step 1/1. {ECO:0000255|HAMAP-Rule:MF_01184}.
CC   -!- SUBUNIT: Homodimer. {ECO:0000255|HAMAP-Rule:MF_01184}.
CC   -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000255|HAMAP-Rule:MF_01184}.
CC   -!- SIMILARITY: Belongs to the purine/pyrimidine phosphoribosyltransferase
CC       family. Xpt subfamily. {ECO:0000255|HAMAP-Rule:MF_01184}.
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DR   EMBL; CT573326; CAK18025.1; -; Genomic_DNA.
DR   RefSeq; WP_011536381.1; NC_008027.1.
DR   AlphaFoldDB; Q1I2W1; -.
DR   SMR; Q1I2W1; -.
DR   STRING; 384676.PSEEN5411; -.
DR   EnsemblBacteria; CAK18025; CAK18025; PSEEN5411.
DR   GeneID; 58770820; -.
DR   KEGG; pen:PSEEN5411; -.
DR   eggNOG; COG0503; Bacteria.
DR   HOGENOM; CLU_099015_0_0_6; -.
DR   OMA; HQVDPVL; -.
DR   OrthoDB; 1532478at2; -.
DR   UniPathway; UPA00602; UER00658.
DR   Proteomes; UP000000658; Chromosome.
DR   GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR   GO; GO:0000310; F:xanthine phosphoribosyltransferase activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0006166; P:purine ribonucleoside salvage; IEA:UniProtKB-UniRule.
DR   GO; GO:0046110; P:xanthine metabolic process; IEA:InterPro.
DR   GO; GO:0032265; P:XMP salvage; IEA:UniProtKB-UniPathway.
DR   CDD; cd06223; PRTases_typeI; 1.
DR   Gene3D; 3.40.50.2020; -; 1.
DR   HAMAP; MF_01184; XPRTase; 1.
DR   InterPro; IPR000836; PRibTrfase_dom.
DR   InterPro; IPR029057; PRTase-like.
DR   InterPro; IPR010079; Xanthine_PRibTrfase.
DR   SUPFAM; SSF53271; SSF53271; 1.
DR   TIGRFAMs; TIGR01744; XPRTase; 1.
PE   3: Inferred from homology;
KW   Cytoplasm; Glycosyltransferase; Purine salvage; Transferase.
FT   CHAIN           1..190
FT                   /note="Xanthine phosphoribosyltransferase"
FT                   /id="PRO_0000339730"
FT   BINDING         20
FT                   /ligand="xanthine"
FT                   /ligand_id="ChEBI:CHEBI:17712"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01184"
FT   BINDING         27
FT                   /ligand="xanthine"
FT                   /ligand_id="ChEBI:CHEBI:17712"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01184"
FT   BINDING         128..132
FT                   /ligand="5-phospho-alpha-D-ribose 1-diphosphate"
FT                   /ligand_id="ChEBI:CHEBI:58017"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01184"
FT   BINDING         156
FT                   /ligand="xanthine"
FT                   /ligand_id="ChEBI:CHEBI:17712"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01184"
SQ   SEQUENCE   190 AA;  20408 MW;  A6BE27489576392A CRC64;
     MEALQQKIRE EGIVLSDQVL KVDAFLNHQI DPALMQLIGD EFARLFADSG VTKIVTIEAS
     GIAPAVMTGL KLGVPVIFAR KHQSLTLTEN LLTASVYSFT KQTENTVAIS PRHLNSSDRV
     LVIDDFLANG KASQALISII KQAGATVAGL GIVIEKSFQG GRAELDSQGY RVESLARVKS
     LEGGVVTFIE
 
 
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