ID U3U6K2_9ENTR Unreviewed; 440 AA.
AC U3U6K2;
DT 11-DEC-2013, integrated into UniProtKB/TrEMBL.
DT 11-DEC-2013, sequence version 1.
DT 24-JAN-2024, entry version 50.
DE RecName: Full=Thymidine phosphorylase {ECO:0000256|ARBA:ARBA00011892, ECO:0000256|HAMAP-Rule:MF_01628};
DE EC=2.4.2.4 {ECO:0000256|ARBA:ARBA00011892, ECO:0000256|HAMAP-Rule:MF_01628};
DE AltName: Full=TdRPase {ECO:0000256|HAMAP-Rule:MF_01628};
GN Name=deoA {ECO:0000256|HAMAP-Rule:MF_01628};
GN ORFNames=E05_50720 {ECO:0000313|EMBL:BAN99838.1};
OS Plautia stali symbiont.
OC Bacteria; Pseudomonadota; Gammaproteobacteria; Enterobacterales;
OC Enterobacteriaceae.
OX NCBI_TaxID=891974 {ECO:0000313|EMBL:BAN99838.1, ECO:0000313|Proteomes:UP000016901};
RN [1] {ECO:0000313|EMBL:BAN99838.1, ECO:0000313|Proteomes:UP000016901}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RX PubMed=21470838; DOI=10.1016/j.micres.2011.03.001;
RA Kobayashi H., Kawasaki K., Takeishi K., Noda H.;
RT "Symbiont of the stink bug Plautia stali synthesizes rough-type
RT lipopolysaccharide.";
RL Microbiol. Res. 167:48-54(2011).
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:0000256|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:0000256|ARBA:ARBA00000749, ECO:0000256|HAMAP-
CC Rule:MF_01628};
CC -!- PATHWAY: Pyrimidine metabolism; dTMP biosynthesis via salvage pathway;
CC dTMP from thymine: step 1/2. {ECO:0000256|HAMAP-Rule:MF_01628}.
CC -!- SUBUNIT: Homodimer. {ECO:0000256|ARBA:ARBA00011738, ECO:0000256|HAMAP-
CC Rule:MF_01628}.
CC -!- SIMILARITY: Belongs to the thymidine/pyrimidine-nucleoside
CC phosphorylase family. {ECO:0000256|ARBA:ARBA00006915,
CC ECO:0000256|HAMAP-Rule:MF_01628}.
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DR EMBL; AP012551; BAN99838.1; -; Genomic_DNA.
DR AlphaFoldDB; U3U6K2; -.
DR KEGG; psts:E05_50720; -.
DR eggNOG; COG0213; Bacteria.
DR HOGENOM; CLU_025040_0_1_6; -.
DR UniPathway; UPA00578; UER00638.
DR Proteomes; UP000016901; 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 {ECO:0000256|ARBA:ARBA00022676, ECO:0000256|HAMAP-
KW Rule:MF_01628}; Reference proteome {ECO:0000313|Proteomes:UP000016901};
KW Transferase {ECO:0000256|ARBA:ARBA00022679, ECO:0000256|HAMAP-
KW Rule:MF_01628}.
FT DOMAIN 350..424
FT /note="Pyrimidine nucleoside phosphorylase C-terminal"
FT /evidence="ECO:0000259|SMART:SM00941"
SQ SEQUENCE 440 AA; 46751 MW; F16E8C19D5C8E270 CRC64;
MFLPQEIIRK KRDGQPLSEA EIRFFINGVR DNSVSEGQIA ALAMTIYFHD MNLEERVALT
MAMRNSGTVL NWQALNLNGP IVDKHSTGGV GDVTSLMLGP MVAACGGYVP MISGRGLGHT
GGTLDKLEAI PGFDIFPSDD RFRQIIKQVG VAIIGQTNSL APADKRFYAT RDITATVDSI
PLITASILAK KLAEVLDALV MDVKVGSGAF MPTFEASQQL AQAIVGVANG AGCKTTALLT
DMNQVLASSA GNALEVREAV HFLTGEERNP RLLEVTLALC AEMLISGKLA ANEAEARQKL
QQVLDNGKAA DVFARMVAAQ NGPTDFIEQM DRYLPAPMLS KAVYADRPGI VSAMDTRALG
MAVVALGGGR QRASDSIDYS VGLSDMITLG SEVNAQQPLA VIHAATEAQW QQAAAAVKAA
ITLSDHAPEA TPVVYRLISE
//