ID TYPH_SHEB9 Reviewed; 443 AA. AC A9KZ79; DT 20-MAY-2008, integrated into UniProtKB/Swiss-Prot. DT 05-FEB-2008, sequence version 1. DT 27-MAR-2024, entry version 92. 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=Sbal195_3365; OS Shewanella baltica (strain OS195). OC Bacteria; Pseudomonadota; Gammaproteobacteria; Alteromonadales; OC Shewanellaceae; Shewanella. OX NCBI_TaxID=399599; RN [1] RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. RC STRAIN=OS195; 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., Chain P., Malfatti S., Shin M., Vergez L., Schmutz J., RA Larimer F., Land M., Hauser L., Kyrpides N., Kim E., Brettar I., RA Rodrigues J., Konstantinidis K., Klappenbach J., Hofle M., Tiedje J., RA Richardson P.; RT "Complete sequence of chromosome of Shewanella baltica OS195."; RL Submitted (NOV-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; CP000891; ABX50527.1; -; Genomic_DNA. DR RefSeq; WP_006086930.1; NC_009997.1. DR AlphaFoldDB; A9KZ79; -. DR SMR; A9KZ79; -. DR GeneID; 11773410; -. DR KEGG; sbn:Sbal195_3365; -. DR HOGENOM; CLU_025040_0_1_6; -. DR UniPathway; UPA00578; UER00638. DR Proteomes; UP000000770; 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_1000088109" SQ SEQUENCE 443 AA; 46951 MW; 2B60EDE7596031D2 CRC64; MFLAQEIIRK KRNGLALSSE EIQFFVQGIT TNSVSEGQIA ALGMAVYFND MNMDERIALT TAMRDSGTVL NWQSLGLNGP VIDKHSTGGV GDVISLMLGP MAAACGGYVP MISGRGLGHT GGTLDKFDAI QGYQTEPSSE LFRKVVKEVG VAIIGQTGDL VPADKRFYSI RDNTATVESI SLITASILSK KLACNLDALA MDVKVGSGAF MPTYEASEEL ARSIAAVANG AGTKTTALLT DMNQVLASCA GNAVEVKEAI DFLTGAYRNP RLYEVTMGLC AEMLLLGGLA SNEADARAKL NRVLDNGRAA ELFGKMVSGL GGPVDFVENY SKYLPQSQII RPVFADMQGY AYSMDTRELG LAVVTLGGGR RKPGDTLDYS VGLTQVCALG DKVDSSTPIA VIHAQSEAAF AEAELAVKKA IHIGETAPEK TPEIYAYIRA SDL //