GenomeNet

Database: UniProt
Entry: B7HIT2_BACC4
LinkDB: B7HIT2_BACC4
Original site: B7HIT2_BACC4 
ID   B7HIT2_BACC4            Unreviewed;       431 AA.
AC   B7HIT2;
DT   10-FEB-2009, integrated into UniProtKB/TrEMBL.
DT   10-FEB-2009, sequence version 1.
DT   24-JAN-2024, entry version 78.
DE   RecName: Full=Pyrimidine-nucleoside phosphorylase {ECO:0000256|ARBA:ARBA00014680};
DE            EC=2.4.2.2 {ECO:0000256|ARBA:ARBA00011889};
GN   Name=pyn1 {ECO:0000313|EMBL:ACK63536.1};
GN   OrderedLocusNames=BCB4264_A1897 {ECO:0000313|EMBL:ACK63536.1};
OS   Bacillus cereus (strain B4264).
OC   Bacteria; Bacillota; Bacilli; Bacillales; Bacillaceae; Bacillus;
OC   Bacillus cereus group.
OX   NCBI_TaxID=405532 {ECO:0000313|EMBL:ACK63536.1, ECO:0000313|Proteomes:UP000007096};
RN   [1] {ECO:0000313|EMBL:ACK63536.1, ECO:0000313|Proteomes:UP000007096}
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=B4264 {ECO:0000313|EMBL:ACK63536.1,
RC   ECO:0000313|Proteomes:UP000007096};
RA   Dodson R.J., Durkin A.S., Rosovitz M.J., Rasko D.A., Hoffmaster A.,
RA   Ravel J., Sutton G.;
RT   "Genome sequence of Bacillus cereus B4264.";
RL   Submitted (OCT-2008) 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   ---------------------------------------------------------------------------
CC   Copyrighted by the UniProt Consortium, see https://www.uniprot.org/terms
CC   Distributed under the Creative Commons Attribution (CC BY 4.0) License
CC   ---------------------------------------------------------------------------
DR   EMBL; CP001176; ACK63536.1; -; Genomic_DNA.
DR   AlphaFoldDB; B7HIT2; -.
DR   KEGG; bcb:BCB4264_A1897; -.
DR   HOGENOM; CLU_025040_0_1_9; -.
DR   OMA; DVWRRMI; -.
DR   Proteomes; UP000007096; Chromosome.
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:0046872; F:metal ion binding; IEA:UniProtKB-KW.
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:ACK63536.1};
KW   Metal-binding {ECO:0000256|ARBA:ARBA00022723};
KW   Potassium {ECO:0000256|ARBA:ARBA00022958};
KW   Transferase {ECO:0000256|ARBA:ARBA00022679, ECO:0000313|EMBL:ACK63536.1}.
FT   DOMAIN          343..416
FT                   /note="Pyrimidine nucleoside phosphorylase C-terminal"
FT                   /evidence="ECO:0000259|SMART:SM00941"
SQ   SEQUENCE   431 AA;  46019 MW;  83ACABE878F31989 CRC64;
     MVDIIAKKRD GKELTTEEIK FFINGYTDGS IPDYQVSALA MAIFFKDMTD RERADLTMAM
     VESGETIDLS AIEGIKVDKH STGGVGDTTT LVLGPLVAAL DVPVAKMSGR GLGHTGGTID
     KLEAVEGFHV EITKEQFIDI VNRDKVAVIG QTGNLTPADK KIYALRDVTG TVNSIPLIAS
     SIMSKKIAAG ADAIVLDVKT GAGAFMKTEE DAKELAHAMV RIGNNVGRQT MAVISDMSQP
     LGFAIGNALE VKEAIDTLKG EGPEDLTELV LVLGSQMVVL AKKANTLEEA REMLIEVMKN
     GKAIEKFKEF LSNQGGDSSI VDNPEKMPQA KYVIDVPAKT SGVISNIVAD EIGIAAMLLG
     AGRATKEDEI DLAVGLMLRK KVGDAVKEGE PFVTIYANRE NVEDVKAKIY ENISIAETAV
     APKLVHTVIT D
//
DBGET integrated database retrieval system