ID U7UE41_9FIRM Unreviewed; 434 AA.
AC U7UE41;
DT 22-JAN-2014, integrated into UniProtKB/TrEMBL.
DT 22-JAN-2014, sequence version 1.
DT 24-JAN-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 Name=pyn {ECO:0000313|EMBL:ERT56713.1};
GN ORFNames=HMPREF1253_1448 {ECO:0000313|EMBL:ERT56713.1};
OS Peptoniphilus sp. BV3C26.
OC Bacteria; Bacillota; Tissierellia; Tissierellales; Peptoniphilaceae;
OC Peptoniphilus.
OX NCBI_TaxID=1111134 {ECO:0000313|EMBL:ERT56713.1, ECO:0000313|Proteomes:UP000017105};
RN [1] {ECO:0000313|EMBL:ERT56713.1, ECO:0000313|Proteomes:UP000017105}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=BV3C26 {ECO:0000313|EMBL:ERT56713.1,
RC ECO:0000313|Proteomes:UP000017105};
RA Durkin A.S., Haft D.R., McCorrison J., Torralba M., Gillis M., Haft D.H.,
RA Methe B., Sutton G., Nelson K.E.;
RL Submitted (SEP-2013) 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}.
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:ERT56713.1}.
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DR EMBL; AWXB01000065; ERT56713.1; -; Genomic_DNA.
DR RefSeq; WP_023056350.1; NZ_AWXB01000065.1.
DR AlphaFoldDB; U7UE41; -.
DR STRING; 1111134.HMPREF1253_1448; -.
DR PATRIC; fig|1111134.3.peg.1647; -.
DR eggNOG; COG0213; Bacteria.
DR OrthoDB; 9763887at2; -.
DR Proteomes; UP000017105; Unassembled WGS sequence.
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:ERT56713.1};
KW Reference proteome {ECO:0000313|Proteomes:UP000017105};
KW Transferase {ECO:0000256|ARBA:ARBA00022679, ECO:0000313|EMBL:ERT56713.1}.
FT DOMAIN 345..419
FT /note="Pyrimidine nucleoside phosphorylase C-terminal"
FT /evidence="ECO:0000259|SMART:SM00941"
SQ SEQUENCE 434 AA; 47387 MW; 596FA13F3743803C CRC64;
MNIYDIIEKK KHGQELTKEE INYFVDGYTK GEIPDYQISA LLMAICLKNL NLDETVNLAN
AMLNSGDLVD LSKIKGIKVD KHSTGGVGDT TSLVLGPLVA SAGLVFAKMS GRGLGHTGGT
LDKLESIPGM RIDLQMDEFI NNSNKIGISI IGQTADITPA DKKLYALRDS TATVDNISLI
ASSIMSKKLA VGADALVLDV KVGSGAFMKD VESATKLSEI MVSLGKKFNH KTKALITSMD
EPLGFAVGNS LEVIEAINTL KGQGPQDLRQ LCLALGSKLL LMSNFADDED EAKEILETNI
RNGKAFEKFK EFVKAQGGDI SYIDDTSKFK LSKYKVEIVS KDEGYVKKID ALLIGEIARD
LGAGRITKES KIDLGAGIIL NKKIDDFVKK GELLATFYTD KEKDINLQVE NIYKAYEIGE
KNKETHKLIY KEID
//
