ID A0A081BK87_9LACO Unreviewed; 432 AA.
AC A0A081BK87;
DT 29-OCT-2014, integrated into UniProtKB/TrEMBL.
DT 29-OCT-2014, sequence version 1.
DT 27-MAR-2024, entry version 36.
DE RecName: Full=Pyrimidine-nucleoside phosphorylase {ECO:0000256|ARBA:ARBA00014680};
DE EC=2.4.2.2 {ECO:0000256|ARBA:ARBA00011889};
GN ORFNames=LOSG293_310060 {ECO:0000313|EMBL:GAK48455.1};
OS Secundilactobacillus oryzae JCM 18671.
OC Bacteria; Bacillota; Bacilli; Lactobacillales; Lactobacillaceae;
OC Secundilactobacillus.
OX NCBI_TaxID=1291743 {ECO:0000313|EMBL:GAK48455.1, ECO:0000313|Proteomes:UP000028700};
RN [1] {ECO:0000313|EMBL:GAK48455.1}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=SG293 {ECO:0000313|EMBL:GAK48455.1};
RA Tanizawa Y., Fujisawa T., Mochizuki T., Kaminuma E., Nakamura Y., Tohno M.;
RT "Draft Genome Sequence of Lactobacillus oryzae Strain SG293T.";
RL Genome Announc. 2:e00861-14(2014).
CC -!- FUNCTION: Catalyzes phosphorolysis of the pyrimidine nucleosides
CC uridine, thymidine and 2'-deoxyuridine with the formation of the
CC corresponding pyrimidine base and ribose-1-phosphate.
CC {ECO:0000256|ARBA:ARBA00003877}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=2'-deoxyuridine + phosphate = 2-deoxy-alpha-D-ribose 1-
CC phosphate + uracil; Xref=Rhea:RHEA:22824, ChEBI:CHEBI:16450,
CC ChEBI:CHEBI:17568, ChEBI:CHEBI:43474, ChEBI:CHEBI:57259; EC=2.4.2.2;
CC Evidence={ECO:0000256|ARBA:ARBA00001066};
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=2.4.2.2;
CC Evidence={ECO:0000256|ARBA:ARBA00000722};
CC -!- CATALYTIC ACTIVITY:
CC Reaction=phosphate + uridine = alpha-D-ribose 1-phosphate + uracil;
CC Xref=Rhea:RHEA:24388, ChEBI:CHEBI:16704, ChEBI:CHEBI:17568,
CC ChEBI:CHEBI:43474, ChEBI:CHEBI:57720; EC=2.4.2.2;
CC Evidence={ECO:0000256|ARBA:ARBA00001004};
CC -!- COFACTOR:
CC Name=K(+); Xref=ChEBI:CHEBI:29103;
CC Evidence={ECO:0000256|ARBA:ARBA00001958};
CC -!- SUBUNIT: Homodimer. {ECO:0000256|ARBA:ARBA00011738}.
CC -!- SIMILARITY: Belongs to the thymidine/pyrimidine-nucleoside
CC phosphorylase family. {ECO:0000256|ARBA:ARBA00006915}.
CC -!- CAUTION: The sequence shown here is derived from an EMBL/GenBank/DDBJ
CC whole genome shotgun (WGS) entry which is preliminary data.
CC {ECO:0000313|EMBL:GAK48455.1}.
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DR EMBL; BBJM01000031; GAK48455.1; -; Genomic_DNA.
DR RefSeq; WP_034529056.1; NZ_BBJM01000031.1.
DR AlphaFoldDB; A0A081BK87; -.
DR STRING; 1291743.LOSG293_310060; -.
DR eggNOG; COG0213; Bacteria.
DR OrthoDB; 9763887at2; -.
DR Proteomes; UP000028700; Unassembled WGS sequence.
DR GO; GO:0004645; F:1,4-alpha-oligoglucan phosphorylase activity; IEA:InterPro.
DR GO; GO:0016154; F:pyrimidine-nucleoside phosphorylase activity; IEA:UniProtKB-EC.
DR GO; GO:0006206; P:pyrimidine nucleobase metabolic process; IEA:InterPro.
DR GO; GO:0006213; P:pyrimidine nucleoside metabolic process; IEA:InterPro.
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 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 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};
KW Transferase {ECO:0000256|ARBA:ARBA00022679}.
FT DOMAIN 345..418
FT /note="Pyrimidine nucleoside phosphorylase C-terminal"
FT /evidence="ECO:0000259|SMART:SM00941"
SQ SEQUENCE 432 AA; 45851 MW; C9B04DA6C63FC620 CRC64;
MRMLDIIESK KLGRKLTDEE IQFFVDGVVS GEIPDYQTSA LLMAIYFNGM TDSEQTQLTM
DMMRSGDHLD LSSIDGTKVD KHSTGGVGDK TSIPLAALVA ALDIPVPMIS GRGLGHTGGT
LDKLEAIPGY QVEISEADFK KQVQNQRLAI IGATGNIAPA DKKIYALRDV TATVDSIPLI
ASSIMSKKIA SGTDALVIDV KTGAGAFMKT LDDSRALAKA LVKIGQGVGM DCMALISDMN
QPLGDAIGNA LEIKESIDLL KGNGPADLLD LVLTLGSHMV VLAGKADSLE EARTKLEGTI
TDGSALEKFR EMVVAQGGDG SVVDHPEIMP QAKYQIELPA KQSGVVAEIE ADEIGIASML
LGGGRQKADD KLDYAVGIVL HKKIGDSVSE GDSLMTIYSD TEDIEAIKDR IYQNIKISDS
ATASTLIKEI IK
//
