ID A0A1L8QWM4_9ENTE Unreviewed; 433 AA.
AC A0A1L8QWM4;
DT 15-MAR-2017, integrated into UniProtKB/TrEMBL.
DT 15-MAR-2017, sequence version 1.
DT 27-MAR-2024, entry version 25.
DE RecName: Full=Pyrimidine-nucleoside phosphorylase {ECO:0000256|ARBA:ARBA00014680};
DE EC=2.4.2.2 {ECO:0000256|ARBA:ARBA00011889};
GN ORFNames=RU93_GL001118 {ECO:0000313|EMBL:OJG11885.1};
OS Enterococcus aquimarinus.
OC Bacteria; Bacillota; Bacilli; Lactobacillales; Enterococcaceae;
OC Enterococcus.
OX NCBI_TaxID=328396 {ECO:0000313|EMBL:OJG11885.1, ECO:0000313|Proteomes:UP000182149};
RN [1] {ECO:0000313|EMBL:OJG11885.1, ECO:0000313|Proteomes:UP000182149}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=DSM 17690 {ECO:0000313|EMBL:OJG11885.1,
RC ECO:0000313|Proteomes:UP000182149};
RA Zhong Z., Sun Z., Liu W., Zhang W., Zhang H.;
RT "Draft genome sequences of 29 type strains of Enterococci.";
RL Submitted (DEC-2014) 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 -!- 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:OJG11885.1}.
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DR EMBL; JXKD01000002; OJG11885.1; -; Genomic_DNA.
DR RefSeq; WP_071874053.1; NZ_JXKD01000002.1.
DR AlphaFoldDB; A0A1L8QWM4; -.
DR STRING; 328396.RU93_GL001118; -.
DR OrthoDB; 9763887at2; -.
DR Proteomes; UP000182149; 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 Reference proteome {ECO:0000313|Proteomes:UP000182149};
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 433 AA; 46882 MW; ACC6F391578105B8 CRC64;
MRMVDLIEKK RDGGQLTTEE INWFVTNYTQ DEIPDYQVSA FLMAVFYEDM SDEEITALTL
AMAHSGEVID LSSIEGIKVD KHSTGGVGDT TTLVLAPLVA SVGVPVAKMS GRGLGYTGGT
LDKLEAIPGF QIELPEEEFT RLVNQSHVAI IGQSGNLAPA DKKLYALRDV TATVNSIPLI
ASSIMSKKIA AGADAIVLDV TTGDGAFMKK LSDARRLAKT MVRIGALTNR QTMAIISDMI
QPLGEAIGNS LEVVEAIETL QGKGPADLLE MCYVLGSQMV VLAKKAPDLD QARKLLEEAL
ESGKALAKFR EMIRNQGGDD TVVDHPQSLL TAKYEQPFLA KKSGYVTKLV ANELGIAAML
LGAGRRTKEE EIDYAVGLKL HKKVGDKVTE GEPLLTIYSN DLELNEVERI LEKNIEIGEV
AVELPLIHEI ITE
//
