ID I0GT62_SELRL Unreviewed; 440 AA.
AC I0GT62;
DT 13-JUN-2012, integrated into UniProtKB/TrEMBL.
DT 13-JUN-2012, sequence version 1.
DT 27-MAR-2024, entry version 52.
DE RecName: Full=Pyrimidine-nucleoside phosphorylase {ECO:0000256|ARBA:ARBA00014680};
DE EC=2.4.2.2 {ECO:0000256|ARBA:ARBA00011889};
GN OrderedLocusNames=SELR_22410 {ECO:0000313|EMBL:BAL83949.1};
OS Selenomonas ruminantium subsp. lactilytica (strain NBRC 103574 / TAM6421).
OC Bacteria; Bacillota; Negativicutes; Selenomonadales; Selenomonadaceae;
OC Selenomonas.
OX NCBI_TaxID=927704 {ECO:0000313|EMBL:BAL83949.1, ECO:0000313|Proteomes:UP000007887};
RN [1] {ECO:0000313|EMBL:BAL83949.1, ECO:0000313|Proteomes:UP000007887}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=NBRC 103574 / TAM6421 {ECO:0000313|Proteomes:UP000007887};
RA Oguchi A., Ankai A., Kaneko J., Yamada-Narita S., Fukui S., Takahashi M.,
RA Onodera T., Kojima S., Fushimi T., Abe N., Kamio Y., Yamazaki S.,
RA Fujita N.;
RT "Whole genome sequence of Selenomonas ruminantium subsp. lactilytica
RT TAM6421.";
RL Submitted (OCT-2011) to the EMBL/GenBank/DDBJ databases.
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 -!- SUBUNIT: Homodimer. {ECO:0000256|ARBA:ARBA00011738}.
CC -!- SIMILARITY: Belongs to the thymidine/pyrimidine-nucleoside
CC phosphorylase family. {ECO:0000256|ARBA:ARBA00006915}.
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DR EMBL; AP012292; BAL83949.1; -; Genomic_DNA.
DR RefSeq; WP_014425376.1; NC_017068.1.
DR AlphaFoldDB; I0GT62; -.
DR KEGG; sri:SELR_22410; -.
DR PATRIC; fig|927704.6.peg.2321; -.
DR eggNOG; COG0213; Bacteria.
DR HOGENOM; CLU_025040_0_1_9; -.
DR OrthoDB; 9763887at2; -.
DR Proteomes; UP000007887; Chromosome.
DR GO; GO:0004645; F:1,4-alpha-oligoglucan phosphorylase activity; IEA:InterPro.
DR GO; GO:0047847; F:deoxyuridine phosphorylase activity; IEA:RHEA.
DR GO; GO:0016154; F:pyrimidine-nucleoside phosphorylase activity; IEA:UniProtKB-EC.
DR GO; GO:0009032; F:thymidine phosphorylase activity; IEA:RHEA.
DR GO; GO:0004850; F:uridine phosphorylase activity; IEA:RHEA.
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 ECO:0000313|EMBL:BAL83949.1};
KW Transferase {ECO:0000256|ARBA:ARBA00022679, ECO:0000313|EMBL:BAL83949.1}.
FT DOMAIN 344..418
FT /note="Pyrimidine nucleoside phosphorylase C-terminal"
FT /evidence="ECO:0000259|SMART:SM00941"
SQ SEQUENCE 440 AA; 47203 MW; EB03D4B95D274121 CRC64;
MRMYDLITKK KHGEVLTDEE IQFMIDGYVK GEIPDYQMST MLMAIWFNGM NDHEITCLTM
CMAKSGDMID LSAIAGKKVD KHSTGGVGDK TTLIVGPIVA ACGGKVAKMS GRGLGHTGGT
VDKLESIPGY KTALDRKEFF DTVNKCGISL IGQSGNLAPA DKKLYALRDV TATVDSIPLI
ASSIMSKKLA AGSDCILLDV KTGSGAFMKT LDDSIKLAQT MVAIGEGAGR RTVALITDMD
TPLGLGIGNS LEVIESMDVL KGHGPADLTE VSLQLAANML YLVGKGEPDE CRKMAEKSIE
DGSAFETFCT MVKEQGGDDS VLRDYTKFAQ APYKAEIKAE SDGFITKMNA EAIGEMSVIL
GAGRETKESD IDFSAGLMLH KKYGDEVKKG DVLVTLYTSK EAALQSAEAL YRKSVVIGST
APAKKPLVYA RVEKDKVEKY
//
