ID H2LBY1_ORYLA Unreviewed; 295 AA.
AC H2LBY1;
DT 21-MAR-2012, integrated into UniProtKB/TrEMBL.
DT 05-DEC-2018, sequence version 2.
DT 27-MAR-2024, entry version 69.
DE RecName: Full=Purine nucleoside phosphorylase {ECO:0000256|ARBA:ARBA00013834, ECO:0000256|PIRNR:PIRNR000477};
DE EC=2.4.2.1 {ECO:0000256|ARBA:ARBA00011886, ECO:0000256|PIRNR:PIRNR000477};
DE AltName: Full=Inosine-guanosine phosphorylase {ECO:0000256|PIRNR:PIRNR000477};
GN Name=pnp5b {ECO:0000313|Ensembl:ENSORLP00000003412.2};
OS Oryzias latipes (Japanese rice fish) (Japanese killifish).
OC Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi;
OC Actinopterygii; Neopterygii; Teleostei; Neoteleostei; Acanthomorphata;
OC Ovalentaria; Atherinomorphae; Beloniformes; Adrianichthyidae; Oryziinae;
OC Oryzias.
OX NCBI_TaxID=8090 {ECO:0000313|Ensembl:ENSORLP00000003412.2, ECO:0000313|Proteomes:UP000001038};
RN [1] {ECO:0000313|Ensembl:ENSORLP00000003412.2, ECO:0000313|Proteomes:UP000001038}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=Hd-rR {ECO:0000313|Ensembl:ENSORLP00000003412.2,
RC ECO:0000313|Proteomes:UP000001038};
RX PubMed=17554307; DOI=10.1038/nature05846;
RA Kasahara M., Naruse K., Sasaki S., Nakatani Y., Qu W., Ahsan B., Yamada T.,
RA Nagayasu Y., Doi K., Kasai Y., Jindo T., Kobayashi D., Shimada A.,
RA Toyoda A., Kuroki Y., Fujiyama A., Sasaki T., Shimizu A., Asakawa S.,
RA Shimizu N., Hashimoto S., Yang J., Lee Y., Matsushima K., Sugano S.,
RA Sakaizumi M., Narita T., Ohishi K., Haga S., Ohta F., Nomoto H., Nogata K.,
RA Morishita T., Endo T., Shin-I T., Takeda H., Morishita S., Kohara Y.;
RT "The medaka draft genome and insights into vertebrate genome evolution.";
RL Nature 447:714-719(2007).
RN [2] {ECO:0000313|Ensembl:ENSORLP00000003412.2}
RP IDENTIFICATION.
RC STRAIN=Hd-rR {ECO:0000313|Ensembl:ENSORLP00000003412.2};
RG Ensembl;
RL Submitted (NOV-2023) to UniProtKB.
CC -!- FUNCTION: The purine nucleoside phosphorylases catalyze the
CC phosphorolytic breakdown of the N-glycosidic bond in the beta-
CC (deoxy)ribonucleoside molecules, with the formation of the
CC corresponding free purine bases and pentose-1-phosphate.
CC {ECO:0000256|PIRNR:PIRNR000477}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=2'-deoxyguanosine + phosphate = 2-deoxy-alpha-D-ribose 1-
CC phosphate + guanine; Xref=Rhea:RHEA:27738, ChEBI:CHEBI:16235,
CC ChEBI:CHEBI:17172, ChEBI:CHEBI:43474, ChEBI:CHEBI:57259; EC=2.4.2.1;
CC Evidence={ECO:0000256|ARBA:ARBA00023929,
CC ECO:0000256|PIRNR:PIRNR000477};
CC -!- CATALYTIC ACTIVITY:
CC Reaction=2'-deoxyinosine + phosphate = 2-deoxy-alpha-D-ribose 1-
CC phosphate + hypoxanthine; Xref=Rhea:RHEA:27750, ChEBI:CHEBI:17368,
CC ChEBI:CHEBI:28997, ChEBI:CHEBI:43474, ChEBI:CHEBI:57259; EC=2.4.2.1;
CC Evidence={ECO:0000256|ARBA:ARBA00023950,
CC ECO:0000256|PIRNR:PIRNR000477};
CC -!- CATALYTIC ACTIVITY:
CC Reaction=guanosine + phosphate = alpha-D-ribose 1-phosphate + guanine;
CC Xref=Rhea:RHEA:13233, ChEBI:CHEBI:16235, ChEBI:CHEBI:16750,
CC ChEBI:CHEBI:43474, ChEBI:CHEBI:57720; EC=2.4.2.1;
CC Evidence={ECO:0000256|ARBA:ARBA00023970,
CC ECO:0000256|PIRNR:PIRNR000477};
CC -!- CATALYTIC ACTIVITY:
CC Reaction=inosine + phosphate = alpha-D-ribose 1-phosphate +
CC hypoxanthine; Xref=Rhea:RHEA:27646, ChEBI:CHEBI:17368,
CC ChEBI:CHEBI:17596, ChEBI:CHEBI:43474, ChEBI:CHEBI:57720; EC=2.4.2.1;
CC Evidence={ECO:0000256|ARBA:ARBA00023918,
CC ECO:0000256|PIRNR:PIRNR000477};
CC -!- PATHWAY: Purine metabolism; purine nucleoside salvage.
CC {ECO:0000256|ARBA:ARBA00005058, ECO:0000256|PIRNR:PIRNR000477}.
CC -!- SUBUNIT: Homotrimer. {ECO:0000256|ARBA:ARBA00011233}.
CC -!- SIMILARITY: Belongs to the PNP/MTAP phosphorylase family.
CC {ECO:0000256|ARBA:ARBA00006751, ECO:0000256|PIRNR:PIRNR000477}.
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DR AlphaFoldDB; H2LBY1; -.
DR STRING; 8090.ENSORLP00000003412; -.
DR Ensembl; ENSORLT00000003413.2; ENSORLP00000003412.2; ENSORLG00000002737.2.
DR eggNOG; KOG3984; Eukaryota.
DR GeneTree; ENSGT00950000182991; -.
DR HOGENOM; CLU_054456_1_2_1; -.
DR InParanoid; H2LBY1; -.
DR TreeFam; TF300049; -.
DR UniPathway; UPA00606; -.
DR Proteomes; UP000001038; Chromosome 17.
DR Bgee; ENSORLG00000002737; Expressed in testis and 14 other cell types or tissues.
DR GO; GO:0005737; C:cytoplasm; IBA:GO_Central.
DR GO; GO:0047975; F:guanosine phosphorylase activity; IEA:RHEA.
DR GO; GO:0004731; F:purine-nucleoside phosphorylase activity; IBA:GO_Central.
DR GO; GO:0006166; P:purine ribonucleoside salvage; IEA:UniProtKB-KW.
DR CDD; cd09009; PNP-EcPNPII_like; 1.
DR Gene3D; 3.40.50.1580; Nucleoside phosphorylase domain; 1.
DR InterPro; IPR000845; Nucleoside_phosphorylase_d.
DR InterPro; IPR035994; Nucleoside_phosphorylase_sf.
DR InterPro; IPR011270; Pur_Nuc_Pase_Ino/Guo-sp.
DR InterPro; IPR011268; Purine_phosphorylase.
DR InterPro; IPR018099; Purine_phosphorylase-2_CS.
DR NCBIfam; TIGR01700; PNPH; 1.
DR NCBIfam; TIGR01697; PNPH-PUNA-XAPA; 1.
DR PANTHER; PTHR11904; METHYLTHIOADENOSINE/PURINE NUCLEOSIDE PHOSPHORYLASE; 1.
DR PANTHER; PTHR11904:SF12; PURINE NUCLEOSIDE PHOSPHORYLASE; 1.
DR Pfam; PF01048; PNP_UDP_1; 1.
DR PIRSF; PIRSF000477; PurNPase; 1.
DR SUPFAM; SSF53167; Purine and uridine phosphorylases; 1.
DR PROSITE; PS01240; PNP_MTAP_2; 1.
PE 3: Inferred from homology;
KW Glycosyltransferase {ECO:0000256|PIRNR:PIRNR000477};
KW Purine salvage {ECO:0000256|ARBA:ARBA00022726};
KW Reference proteome {ECO:0000313|Proteomes:UP000001038};
KW Transferase {ECO:0000256|PIRNR:PIRNR000477}.
FT DOMAIN 31..284
FT /note="Nucleoside phosphorylase"
FT /evidence="ECO:0000259|Pfam:PF01048"
FT BINDING 38
FT /ligand="phosphate"
FT /ligand_id="ChEBI:CHEBI:43474"
FT /evidence="ECO:0000256|PIRSR:PIRSR000477-2"
FT BINDING 69
FT /ligand="phosphate"
FT /ligand_id="ChEBI:CHEBI:43474"
FT /evidence="ECO:0000256|PIRSR:PIRSR000477-2"
FT BINDING 89..91
FT /ligand="phosphate"
FT /ligand_id="ChEBI:CHEBI:43474"
FT /evidence="ECO:0000256|PIRSR:PIRSR000477-2"
FT BINDING 121
FT /ligand="phosphate"
FT /ligand_id="ChEBI:CHEBI:43474"
FT /evidence="ECO:0000256|PIRSR:PIRSR000477-2"
FT BINDING 206
FT /ligand="a purine D-ribonucleoside"
FT /ligand_id="ChEBI:CHEBI:142355"
FT /evidence="ECO:0000256|PIRSR:PIRSR000477-2"
FT BINDING 225
FT /ligand="phosphate"
FT /ligand_id="ChEBI:CHEBI:43474"
FT /evidence="ECO:0000256|PIRSR:PIRSR000477-2"
FT BINDING 248
FT /ligand="a purine D-ribonucleoside"
FT /ligand_id="ChEBI:CHEBI:142355"
FT /evidence="ECO:0000256|PIRSR:PIRSR000477-2"
SQ SEQUENCE 295 AA; 32543 MW; DFF5A1841E3BAA40 CRC64;
KNPPPSNGYC FYEECSATAD WLRSHTQVRP TVGIVCGSGL GGLAEMLKDP QVFKYSDIPN
FPRSTVHGHA GQLVFGTLKG KPCVCMQGRF HLYEGYPIQK ITLPMRVFKL LGVETMIMTN
AAGGLNQDYK VGDVMIIKDH INMPGFAGIN PLAGPNDDRF GVRFPCMSDA YDRELRQLAH
DVAAELGYSD FLQEGVYCVL GGPSFETIAE CRMLHSLGAD AVGMSTVHEV IVARHAGMRC
FALSLISNRS VMDYDSQEKA NHEEVLETGR LRAQQLEKLV STMVTRLDND NNNSF
//