ID C9KLB6_9FIRM Unreviewed; 462 AA.
AC C9KLB6;
DT 24-NOV-2009, integrated into UniProtKB/TrEMBL.
DT 24-NOV-2009, sequence version 1.
DT 24-JAN-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 Name=pyn {ECO:0000313|EMBL:EEX69394.1};
GN ORFNames=MITSMUL_04015 {ECO:0000313|EMBL:EEX69394.1};
OS Mitsuokella multacida DSM 20544.
OC Bacteria; Bacillota; Negativicutes; Selenomonadales; Selenomonadaceae;
OC Mitsuokella.
OX NCBI_TaxID=500635 {ECO:0000313|EMBL:EEX69394.1, ECO:0000313|Proteomes:UP000003671};
RN [1] {ECO:0000313|EMBL:EEX69394.1, ECO:0000313|Proteomes:UP000003671}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=DSM 20544 {ECO:0000313|EMBL:EEX69394.1,
RC ECO:0000313|Proteomes:UP000003671};
RA Weinstock G., Sodergren E., Clifton S., Fulton L., Fulton B., Courtney L.,
RA Fronick C., Harrison M., Strong C., Farmer C., Delahaunty K., Markovic C.,
RA Hall O., Minx P., Tomlinson C., Mitreva M., Nelson J., Hou S., Wollam A.,
RA Pepin K.H., Johnson M., Bhonagiri V., Nash W.E., Warren W., Chinwalla A.,
RA Mardis E.R., Wilson R.K.;
RL Submitted (SEP-2009) 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:EEX69394.1}.
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DR EMBL; ABWK02000010; EEX69394.1; -; Genomic_DNA.
DR AlphaFoldDB; C9KLB6; -.
DR STRING; 500635.MITSMUL_04015; -.
DR PATRIC; fig|500635.8.peg.410; -.
DR eggNOG; COG0213; Bacteria.
DR HOGENOM; CLU_025040_0_1_9; -.
DR Proteomes; UP000003671; 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:EEX69394.1};
KW Transferase {ECO:0000256|ARBA:ARBA00022679, ECO:0000313|EMBL:EEX69394.1}.
FT DOMAIN 366..440
FT /note="Pyrimidine nucleoside phosphorylase C-terminal"
FT /evidence="ECO:0000259|SMART:SM00941"
SQ SEQUENCE 462 AA; 50013 MW; 3E655B8BEBA4D9E3 CRC64;
MPPFWETYRG IYQNISNKGK IIMRMYDLIT KKKHGEALTD AEITYMIDGY VKGDIPDYQM
SAMLMAIWFK GMTDHEITEL TKVMAKSGDM IDLSAIAGKK VDKHSTGGVG DKTTLICAPI
VAACGGKVAK MSGRGLGHTG GTVDKLESIP GYQTALSREK FFDTVNKCGV SVIGQSGNLA
PADKKLYALR DVTATVDCIP LIASSIMSKK LAAGSDCILL DVKTGSGAFM KTLDDSIKLA
QTMVAIGELA GRRTVALITD MDTPLGYGIG NSIEVMESMD VLKGEGPADL REVSLQLASN
MLYLVGKGTP EECRTMAEKS IADGSAFETF CTMVRAQGGD DSVLRDYTKF PQAPYRAEIK
AERSGYITKM NAEEIGETSV VLGAGRETKE STIDFSAGLI LHKKYGDEVK EGDSLVTLYT
SKESALADAE KMYREAIAIG DEQPVKEPLV YARVEKDKVE KY
//
