ID A0A1G5KEG8_9CLOT Unreviewed; 441 AA.
AC A0A1G5KEG8;
DT 22-NOV-2017, integrated into UniProtKB/TrEMBL.
DT 22-NOV-2017, sequence version 1.
DT 24-JAN-2024, entry version 21.
DE RecName: Full=Pyrimidine-nucleoside phosphorylase {ECO:0000256|ARBA:ARBA00014680};
DE EC=2.4.2.2 {ECO:0000256|ARBA:ARBA00011889};
GN ORFNames=SAMN03080606_03435 {ECO:0000313|EMBL:SCY99025.1};
OS Alkaliphilus peptidifermentans DSM 18978.
OC Bacteria; Bacillota; Clostridia; Eubacteriales; Clostridiaceae;
OC Alkaliphilus.
OX NCBI_TaxID=1120976 {ECO:0000313|EMBL:SCY99025.1, ECO:0000313|Proteomes:UP000198636};
RN [1] {ECO:0000313|EMBL:SCY99025.1, ECO:0000313|Proteomes:UP000198636}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=DSM 18978 {ECO:0000313|EMBL:SCY99025.1,
RC ECO:0000313|Proteomes:UP000198636};
RA de Groot N.N.;
RL Submitted (OCT-2016) 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; FMUS01000026; SCY99025.1; -; Genomic_DNA.
DR AlphaFoldDB; A0A1G5KEG8; -.
DR STRING; 1120976.SAMN03080606_03435; -.
DR OrthoDB; 9763887at2; -.
DR Proteomes; UP000198636; 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:UP000198636};
KW Transferase {ECO:0000256|ARBA:ARBA00022679}.
FT DOMAIN 345..419
FT /note="Pyrimidine nucleoside phosphorylase C-terminal"
FT /evidence="ECO:0000259|SMART:SM00941"
SQ SEQUENCE 441 AA; 47464 MW; F215F154745EBE69 CRC64;
MGMVDIIKKK KNGEALTKEE INYFVKEYTE GNIPDYQAAA LLMAIYFQKM NQEETAFLTE
AMMHSGKVVD LSAIDGIKVD KHSTGGVGDK TTIALGAMVA ACGVPVAKMS GRGLGHTGGT
IDKLESFPGF SVELSIDDFI HNVNDIKIAV VGQTQDLAPA DKTLYALRDV TSTVDNLSLI
ASSVMSKKLA AGADAILLDV KTGNGAFMKE IDDSFALAKE MVAIGSKMKR DTIAVITDME
QPLGFAVGNS LEVIEAIETL KGNGPADFTE LCITLGSYML LLAKKVSTVQ QGRAEMEKVI
SNRKALEVLK TFIERQGGDG NLVDNPELLP KAKNVYILKS NKDGYIHGIH AETVGLSALL
LGAGRETKAS IIDLSVGIVF RKKAGDEIMS GEPLAEIHYN DEVKFQQALE KLKSAYTIET
DKPIVRPLVY GIVTVDGVER L
//
