ID E0ICF6_9BACL Unreviewed; 442 AA.
AC E0ICF6;
DT 02-NOV-2010, integrated into UniProtKB/TrEMBL.
DT 02-NOV-2010, sequence version 1.
DT 24-JAN-2024, entry version 54.
DE RecName: Full=Pyrimidine-nucleoside phosphorylase {ECO:0000256|ARBA:ARBA00014680};
DE EC=2.4.2.2 {ECO:0000256|ARBA:ARBA00011889};
GN ORFNames=PaecuDRAFT_3345 {ECO:0000313|EMBL:EFM09842.1};
OS Paenibacillus curdlanolyticus YK9.
OC Bacteria; Bacillota; Bacilli; Bacillales; Paenibacillaceae; Paenibacillus.
OX NCBI_TaxID=717606 {ECO:0000313|EMBL:EFM09842.1, ECO:0000313|Proteomes:UP000005387};
RN [1] {ECO:0000313|EMBL:EFM09842.1, ECO:0000313|Proteomes:UP000005387}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=YK9 {ECO:0000313|EMBL:EFM09842.1,
RC ECO:0000313|Proteomes:UP000005387};
RG US DOE Joint Genome Institute (JGI-PGF);
RA Lucas S., Copeland A., Lapidus A., Cheng J.-F., Bruce D., Goodwin L.,
RA Pitluck S., Land M.L., Hauser L., Chang Y.-J., Jeffries C., Anderson I.J.,
RA Johnson E., Loganathan U., Mulhopadhyay B., Kyrpides N., Woyke T.J.;
RT "The draft genome of Paenibacillus curdlanolyticus YK9.";
RL Submitted (JUL-2010) 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}.
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DR EMBL; AEDD01000009; EFM09842.1; -; Genomic_DNA.
DR RefSeq; WP_006039333.1; NZ_AEDD01000009.1.
DR AlphaFoldDB; E0ICF6; -.
DR STRING; 717606.PaecuDRAFT_3345; -.
DR eggNOG; COG0213; Bacteria.
DR OrthoDB; 9763887at2; -.
DR Proteomes; UP000005387; 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:EFM09842.1}; Potassium {ECO:0000256|ARBA:ARBA00022958};
KW Reference proteome {ECO:0000313|Proteomes:UP000005387};
KW Transferase {ECO:0000256|ARBA:ARBA00022679, ECO:0000313|EMBL:EFM09842.1}.
FT DOMAIN 345..420
FT /note="Pyrimidine nucleoside phosphorylase C-terminal"
FT /evidence="ECO:0000259|SMART:SM00941"
SQ SEQUENCE 442 AA; 46247 MW; 3E6D63C2E7C9BCDB CRC64;
MRAVDLIHKK RDGEQLTFAE IDYLIKGYCQ GEIPDYQMSA WSMAVFFRGM TKKETADLTM
AMAHSGDTVD LGAIHGLTAD KHSTGGVGDK TTLVVAPLVA AIGVPVAKMS GRGLGHTGGT
IDKLEAIEGF RTELQRDDFF AQVNDIGLAV IGQSGNLTPA DKKLYALRDV TATVESIPLI
ASSVMSKKIA AGADVIVLDV KAGSGAFMKS LEDAEHLARA MVDIGTEVGR RTAAVISDMD
QPLGAAIGNA LEVAEAIATL KGQGPKDLER LCLTLAAHMA VLAGKAGSIE EAELILREAL
RSGAALDKFR ALVVAQGGDP SMVDQPDRLP AATAFVEVKA ESSGWVTGIQ AEQLGLAAMK
LGAGRATKEA AIDYAVGMLL KKKVGDAVSL GETLAVLHTH EGYVGLDAIM SETAAAFTID
SAQPEAKPLL LSIVTADETR RL
//
