ID TYPH_SHESH Reviewed; 443 AA. AC A8FYQ8; DT 20-MAY-2008, integrated into UniProtKB/Swiss-Prot. DT 13-NOV-2007, sequence version 1. DT 27-MAR-2024, entry version 100. 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=Ssed_3377; OS Shewanella sediminis (strain HAW-EB3). OC Bacteria; Pseudomonadota; Gammaproteobacteria; Alteromonadales; OC Shewanellaceae; Shewanella. OX NCBI_TaxID=425104; RN [1] RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. RC STRAIN=HAW-EB3; RG US DOE Joint Genome Institute; RA Copeland A., Lucas S., Lapidus A., Barry K., Glavina del Rio T., Dalin E., RA Tice H., Pitluck S., Chertkov O., Brettin T., Bruce D., Detter J.C., RA Han C., Schmutz J., Larimer F., Land M., Hauser L., Kyrpides N., Kim E., RA Zhao J.-S., Richardson P.; RT "Complete sequence of Shewanella sediminis HAW-EB3."; RL Submitted (AUG-2007) to the EMBL/GenBank/DDBJ databases. 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; CP000821; ABV37981.1; -; Genomic_DNA. DR RefSeq; WP_012143711.1; NC_009831.1. DR AlphaFoldDB; A8FYQ8; -. DR SMR; A8FYQ8; -. DR STRING; 425104.Ssed_3377; -. DR KEGG; sse:Ssed_3377; -. DR eggNOG; COG0213; Bacteria. DR HOGENOM; CLU_025040_0_1_6; -. DR OrthoDB; 9763887at2; -. DR UniPathway; UPA00578; UER00638. DR Proteomes; UP000002015; 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; Reference proteome; Transferase. FT CHAIN 1..443 FT /note="Thymidine phosphorylase" FT /id="PRO_1000088112" SQ SEQUENCE 443 AA; 47054 MW; B6520E5707EEF0CA CRC64; MFLAQEIIRK KRNAEALSKE EIQFFVKGIT DNTVSEGQIA ALGMAVYFND MNMDERIALT TSMRDSGTVL NWKSLDLDGP IIDKHSTGGV GDVISLMLGP MAAACGGYVP MISGRGLGHT GGTLDKFDAI PGYQTEPDSA LFRKVVKEAG VAIIGQTGDL VPADKRFYSI RDNTATVESI SLITASILSK KLAAGLDALA MDVKVGSGAF MPTYEASEEL ARSITAVANG AGTKTTALLT DMNQVLASCA GNAVEVKEAV DFLTGAYRNP RLYEVTMGLC AEMLQLGGIA SSEAEAREKL NRVLDNGKAA EIFGRMISGL GGPADFIENT GLYLPESKII RPVYADQTGF ASAMDTRELG LAVVTLGGGR RKPGDALDYS VGLTKVCALG DEISADKPIA FIHAQTENAF AEAEAAVKKA IHVGETKPEK TPEIYRYIRE SDL //