ID TYPH_SHESA Reviewed; 443 AA. AC A0KU08; DT 05-FEB-2008, integrated into UniProtKB/Swiss-Prot. DT 12-DEC-2006, sequence version 1. DT 27-MAR-2024, entry version 98. 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=Shewana3_1042; OS Shewanella sp. (strain ANA-3). OC Bacteria; Pseudomonadota; Gammaproteobacteria; Alteromonadales; OC Shewanellaceae; Shewanella. OX NCBI_TaxID=94122; RN [1] RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. RC STRAIN=ANA-3; RA Copeland A., Lucas S., Lapidus A., Barry K., Detter J.C., RA Glavina del Rio T., Hammon N., Israni S., Dalin E., Tice H., Pitluck S., RA Chertkov O., Brettin T., Bruce D., Han C., Tapia R., Gilna P., Schmutz J., RA Larimer F., Land M., Hauser L., Kyrpides N., Kim E., Newman D., RA Salticov C., Konstantinidis K., Klappenback J., Tiedje J., Richardson P.; RT "Complete sequence of chromosome 1 of Shewanella sp. ANA-3."; RL Submitted (SEP-2006) 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; CP000469; ABK47277.1; -; Genomic_DNA. DR RefSeq; WP_011716153.1; NC_008577.1. DR AlphaFoldDB; A0KU08; -. DR SMR; A0KU08; -. DR STRING; 94122.Shewana3_1042; -. DR KEGG; shn:Shewana3_1042; -. DR eggNOG; COG0213; Bacteria. DR HOGENOM; CLU_025040_0_1_6; -. DR OrthoDB; 9763887at2; -. DR UniPathway; UPA00578; UER00638. DR Proteomes; UP000002589; 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..443 FT /note="Thymidine phosphorylase" FT /id="PRO_1000069672" SQ SEQUENCE 443 AA; 46887 MW; 9807F7E488E8E0F9 CRC64; MFLAQEIIRK KRNGLALSTE EIQFFVKGIT TNAVSEGQIA ALGMAVYFND MNMDERIALT TAMRDSGTVL NWQSLGLNGP VIDKHSTGGV GDVISLMLGP MAAACGGYVP MISGRGLGHT GGTLDKFDAI PGYQTEPSSE LFRKVVKDVG VAIIGQTGDL VPADKRFYSI RDNTATVESI SLITASILSK KLACSLDALA MDVKVGSGAF MPTYEASEEL ARSIAAVANG AGTKTTALLT DMNQVLASCA GNAVEVKEAI DFLTGAYRNP RLYAVTMGLC AEMLLLGGLA SDEADARAKL NRVLDNGRAA EIFGKMVSGL GGPVDFVENY SKYLPQSQII RPVFADTQGY AYSMDTRELG LAVVTLGGGR RKPGDALDYS VGLTQVCALG DKIDASTPIA VIHAQSEEAF AQAEEAVKKA IHIDEVAPEK TPEIYAYIRA SDL //