ID TYPH_YERPS Reviewed; 440 AA. AC Q66EV9; DT 10-JAN-2006, integrated into UniProtKB/Swiss-Prot. DT 11-OCT-2004, sequence version 1. DT 27-MAR-2024, entry version 115. DE RecName: Full=Thymidine phosphorylase {ECO:0000255|HAMAP-Rule:MF_01628}; DE EC=2.4.2.4 {ECO:0000255|HAMAP-Rule:MF_01628}; DE AltName: Full=TdRPase {ECO:0000255|HAMAP-Rule:MF_01628}; GN Name=deoA {ECO:0000255|HAMAP-Rule:MF_01628}; GN OrderedLocusNames=YPTB0582; OS Yersinia pseudotuberculosis serotype I (strain IP32953). OC Bacteria; Pseudomonadota; Gammaproteobacteria; Enterobacterales; OC Yersiniaceae; Yersinia. OX NCBI_TaxID=273123; RN [1] RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. RC STRAIN=IP32953; RX PubMed=15358858; DOI=10.1073/pnas.0404012101; RA Chain P.S.G., Carniel E., Larimer F.W., Lamerdin J., Stoutland P.O., RA Regala W.M., Georgescu A.M., Vergez L.M., Land M.L., Motin V.L., RA Brubaker R.R., Fowler J., Hinnebusch J., Marceau M., Medigue C., RA Simonet M., Chenal-Francisque V., Souza B., Dacheux D., Elliott J.M., RA Derbise A., Hauser L.J., Garcia E.; RT "Insights into the evolution of Yersinia pestis through whole-genome RT comparison with Yersinia pseudotuberculosis."; RL Proc. Natl. Acad. Sci. U.S.A. 101:13826-13831(2004). CC -!- FUNCTION: The enzymes which catalyze the reversible phosphorolysis of CC pyrimidine nucleosides are involved in the degradation of these CC compounds and in their utilization as carbon and energy sources, or in CC the rescue of pyrimidine bases for nucleotide synthesis. CC {ECO:0000255|HAMAP-Rule:MF_01628}. CC -!- CATALYTIC ACTIVITY: CC Reaction=phosphate + thymidine = 2-deoxy-alpha-D-ribose 1-phosphate + CC thymine; Xref=Rhea:RHEA:16037, ChEBI:CHEBI:17748, ChEBI:CHEBI:17821, CC ChEBI:CHEBI:43474, ChEBI:CHEBI:57259; EC=2.4.2.4; CC Evidence={ECO:0000255|HAMAP-Rule:MF_01628}; CC -!- PATHWAY: Pyrimidine metabolism; dTMP biosynthesis via salvage pathway; CC dTMP from thymine: step 1/2. {ECO:0000255|HAMAP-Rule:MF_01628}. CC -!- SUBUNIT: Homodimer. {ECO:0000255|HAMAP-Rule:MF_01628}. CC -!- SIMILARITY: Belongs to the thymidine/pyrimidine-nucleoside CC phosphorylase family. {ECO:0000255|HAMAP-Rule:MF_01628}. 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; BX936398; CAH19822.1; -; Genomic_DNA. DR RefSeq; WP_011191687.1; NZ_CP009712.1. DR AlphaFoldDB; Q66EV9; -. DR SMR; Q66EV9; -. DR GeneID; 66842997; -. DR KEGG; ypo:BZ17_1977; -. DR KEGG; yps:YPTB0582; -. DR PATRIC; fig|273123.14.peg.2103; -. DR UniPathway; UPA00578; UER00638. DR Proteomes; UP000001011; Chromosome. DR GO; GO:0004645; F:1,4-alpha-oligoglucan phosphorylase activity; IEA:InterPro. DR GO; GO:0016154; F:pyrimidine-nucleoside phosphorylase activity; IEA:InterPro. DR GO; GO:0009032; F:thymidine phosphorylase activity; IEA:UniProtKB-UniRule. DR GO; GO:0006206; P:pyrimidine nucleobase metabolic process; IEA:InterPro. DR GO; GO:0046104; P:thymidine metabolic process; IEA:UniProtKB-UniRule. DR Gene3D; 3.40.1030.10; Nucleoside phosphorylase/phosphoribosyltransferase catalytic domain; 1. DR Gene3D; 3.90.1170.30; Pyrimidine nucleoside phosphorylase-like, C-terminal domain; 1. DR HAMAP; MF_01628; Thymid_phosp; 1. DR InterPro; IPR000312; Glycosyl_Trfase_fam3. DR InterPro; IPR017459; Glycosyl_Trfase_fam3_N_dom. DR InterPro; IPR036320; Glycosyl_Trfase_fam3_N_dom_sf. DR InterPro; IPR035902; Nuc_phospho_transferase. DR InterPro; IPR036566; PYNP-like_C_sf. DR InterPro; IPR013102; PYNP_C. DR InterPro; IPR018090; Pyrmidine_PPas_bac/euk. DR InterPro; IPR017872; Pyrmidine_PPase_CS. DR InterPro; IPR000053; Thymidine/pyrmidine_PPase. DR InterPro; IPR013465; Thymidine_Pase. DR NCBIfam; TIGR02643; T_phosphoryl; 1. DR NCBIfam; TIGR02644; Y_phosphoryl; 1. DR PANTHER; PTHR10515; THYMIDINE PHOSPHORYLASE; 1. DR PANTHER; PTHR10515:SF0; THYMIDINE PHOSPHORYLASE; 1. DR Pfam; PF02885; Glycos_trans_3N; 1. DR Pfam; PF00591; Glycos_transf_3; 1. DR Pfam; PF07831; PYNP_C; 1. DR PIRSF; PIRSF000478; TP_PyNP; 1. DR SMART; SM00941; PYNP_C; 1. DR SUPFAM; SSF52418; Nucleoside phosphorylase/phosphoribosyltransferase catalytic domain; 1. DR SUPFAM; SSF47648; Nucleoside phosphorylase/phosphoribosyltransferase N-terminal domain; 1. DR SUPFAM; SSF54680; Pyrimidine nucleoside phosphorylase C-terminal domain; 1. DR PROSITE; PS00647; THYMID_PHOSPHORYLASE; 1. PE 3: Inferred from homology; KW Glycosyltransferase; Transferase. FT CHAIN 1..440 FT /note="Thymidine phosphorylase" FT /id="PRO_0000059076" SQ SEQUENCE 440 AA; 46887 MW; E5934E2858B1EFF0 CRC64; MFLAQEIIRK KRDGQPLSEE EIRFFINGIR DNVVSEGQIA ALAMTIYFHD MSMPERVALT MAMRDSGTVL NWKSLNLNGP LVDKHSTGGV GDVTSLMLGP MVAACGGYVP MISGRGLGHT GGTLDKLEAI PGFDIFPDDN AFRKIIQNVG VAIIGQTSSL APADKRFYAT RDITATVDSI PLITASILAK KLAEGLDALV MDVKVGSGAF MPTYSLSADL AQAIVGVANG AGCKTTALLT DMNQVLASSA GNGVEVREAV RFLTGEYRNP RLLEVTMALC VEMLLSGGLA HDEADARAKL QAVLDNGKAA EVFGRMVAAQ KGPVDFVERY DSYLPVATLS KPVFAEQTGI ITAMDTRALG MAVVALGGGR RRATDPIDYS VGLTEMARLG TRVDGQQPLA VIHANNEDDW QQAAEAVRAA ITLGNNAPEE TPVIYRRITE //