ID I0JNI0_HALH3 Unreviewed; 433 AA.
AC I0JNI0;
DT 13-JUN-2012, integrated into UniProtKB/TrEMBL.
DT 13-JUN-2012, sequence version 1.
DT 24-JAN-2024, entry version 57.
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:CCG45700.1};
GN OrderedLocusNames=HBHAL_3355 {ECO:0000313|EMBL:CCG45700.1};
OS Halobacillus halophilus (strain ATCC 35676 / DSM 2266 / JCM 20832 / KCTC
OS 3685 / LMG 17431 / NBRC 102448 / NCIMB 2269) (Sporosarcina halophila).
OC Bacteria; Bacillota; Bacilli; Bacillales; Bacillaceae; Halobacillus.
OX NCBI_TaxID=866895 {ECO:0000313|EMBL:CCG45700.1, ECO:0000313|Proteomes:UP000007397};
RN [1] {ECO:0000313|EMBL:CCG45700.1, ECO:0000313|Proteomes:UP000007397}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC 35676 / DSM 2266 / JCM 20832 / KCTC 3685 / LMG 17431 /
RC NBRC 102448 / NCIMB 2269 {ECO:0000313|Proteomes:UP000007397};
RX PubMed=22583374; DOI=10.1111/j.1462-2920.2012.02770.x;
RA Saum S.H., Pfeiffer F., Palm P., Rampp M., Schuster S.C., Muller V.,
RA Oesterhelt D.;
RT "Chloride and organic osmolytes: a hybrid strategy to cope with elevated
RT salinities by the moderately halophilic, chloride-dependent bacterium
RT Halobacillus halophilus.";
RL Environ. Microbiol. 15:1619-1633(2013).
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; HE717023; CCG45700.1; -; Genomic_DNA.
DR RefSeq; WP_014643590.1; NC_017668.1.
DR AlphaFoldDB; I0JNI0; -.
DR STRING; 866895.HBHAL_3355; -.
DR KEGG; hhd:HBHAL_3355; -.
DR PATRIC; fig|866895.3.peg.2371; -.
DR eggNOG; COG0213; Bacteria.
DR HOGENOM; CLU_025040_0_1_9; -.
DR Proteomes; UP000007397; 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:CCG45700.1};
KW Metal-binding {ECO:0000256|ARBA:ARBA00022723};
KW Potassium {ECO:0000256|ARBA:ARBA00022958};
KW Reference proteome {ECO:0000313|Proteomes:UP000007397};
KW Transferase {ECO:0000256|ARBA:ARBA00022679, ECO:0000313|EMBL:CCG45700.1}.
FT DOMAIN 345..418
FT /note="Pyrimidine nucleoside phosphorylase C-terminal"
FT /evidence="ECO:0000259|SMART:SM00941"
SQ SEQUENCE 433 AA; 46543 MW; 3FA4562B0224E675 CRC64;
MRMYDIIVKK RDGGELTKEE IYFFVDGYTQ GDIPDYQASA LTMAIYFQGM TQEETATLTQ
AMVDSGETID LSAIKGHKVD KHSTGGVGDK VTFIVGPLVA SVGVPVAKMS GRGLGHTGGT
LDKLESIKGL EIEMTKDQFI HNVNTHKLAV AGQTGNLAPA DKKLYALRDV TGTVDSLPLI
AGSIMSKKLA SGADGIVLDV KTGSGAFMKT LEDSKNLAQE MVNIGNNLGR QTVAVISDMN
QPLGFEVGNA NEIKEAAEIL QGKNVEDLRE LSLELASHMT VLAEVFNSYE EAYEALAKNL
ENGKAFQSLR NLVEAQNGDV SMIDNLDNLP KAKHKIDVKA EKSGYIAAID AESIGIAAMY
LGAGRATKDD EINHGVGITL NKKIGDWVEE GESLVVLNSD DEEPQASITK VLEAYSIADE
KVEKPTLIYT VIK
//
