HAMAP rule MF_01537
General rule information
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| PURL | https://purl.expasy.org/hamap/rule/MF_01537 |
| Accession | MF_01537 |
| Dates | 15-JUN-2005 (Created)
03-SEP-2024 (Last updated, Version 25) |
| Name | Nucleos_phosphorylase_PpnP |
| Scope(s) |
Bacteria |
| Template(s) | P0C037; [ Recover all ] |
| Triggered by |
HAMAP; MF_01537 (Get profile general information and statistics) |
Propagated annotation
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Identifier, protein and gene names
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| Identifier | PPNP |
| Protein name | RecName: Full=Pyrimidine/purine nucleoside phosphorylase; EC=2.4.2.1; EC=2.4.2.2; AltName: Full=Adenosine phosphorylase; AltName: Full=Cytidine phosphorylase; AltName: Full=Guanosine phosphorylase; AltName: Full=Inosine phosphorylase; AltName: Full=Thymidine phosphorylase; AltName: Full=Uridine phosphorylase; AltName: Full=Xanthosine phosphorylase; |
| Gene name | Name=ppnP; |
Comments
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| FUNCTION | Catalyzes the phosphorolysis of diverse nucleosides, yielding D-ribose 1-phosphate and the respective free bases. Can use uridine, adenosine, guanosine, cytidine, thymidine, inosine and xanthosine as substrates. Also catalyzes the reverse reactions. |
| CATALYTIC ACTIVITY | Reaction=a purine D-ribonucleoside + phosphate = a purine nucleobase + alpha-D-ribose 1-phosphate; Xref=Rhea:RHEA:19805, ChEBI:CHEBI:26386, ChEBI:CHEBI:43474, ChEBI:CHEBI:57720, ChEBI:CHEBI:142355; EC=2.4.2.1; |
| CATALYTIC ACTIVITY | Reaction=adenosine + phosphate = alpha-D-ribose 1-phosphate + adenine; Xref=Rhea:RHEA:27642, ChEBI:CHEBI:16335, ChEBI:CHEBI:16708, ChEBI:CHEBI:43474, ChEBI:CHEBI:57720; EC=2.4.2.1; |
| CATALYTIC ACTIVITY | Reaction=cytidine + phosphate = cytosine + alpha-D-ribose 1-phosphate; Xref=Rhea:RHEA:52540, ChEBI:CHEBI:16040, ChEBI:CHEBI:17562, ChEBI:CHEBI:43474, ChEBI:CHEBI:57720; EC=2.4.2.2; |
| CATALYTIC ACTIVITY | Reaction=guanosine + phosphate = alpha-D-ribose 1-phosphate + guanine; Xref=Rhea:RHEA:13233, ChEBI:CHEBI:16235, ChEBI:CHEBI:16750, ChEBI:CHEBI:43474, ChEBI:CHEBI:57720; EC=2.4.2.1; |
| CATALYTIC ACTIVITY | Reaction=inosine + phosphate = alpha-D-ribose 1-phosphate + hypoxanthine; Xref=Rhea:RHEA:27646, ChEBI:CHEBI:17368, ChEBI:CHEBI:17596, ChEBI:CHEBI:43474, ChEBI:CHEBI:57720; EC=2.4.2.1; |
| CATALYTIC ACTIVITY | Reaction=thymidine + phosphate = 2-deoxy-alpha-D-ribose 1-phosphate + thymine; Xref=Rhea:RHEA:16037, ChEBI:CHEBI:17748, ChEBI:CHEBI:17821, ChEBI:CHEBI:43474, ChEBI:CHEBI:57259; EC=2.4.2.2; |
| CATALYTIC ACTIVITY | Reaction=uridine + phosphate = alpha-D-ribose 1-phosphate + uracil; Xref=Rhea:RHEA:24388, ChEBI:CHEBI:16704, ChEBI:CHEBI:17568, ChEBI:CHEBI:43474, ChEBI:CHEBI:57720; EC=2.4.2.2; |
| CATALYTIC ACTIVITY | Reaction=xanthosine + phosphate = alpha-D-ribose 1-phosphate + xanthine; Xref=Rhea:RHEA:27638, ChEBI:CHEBI:17712, ChEBI:CHEBI:18107, ChEBI:CHEBI:43474, ChEBI:CHEBI:57720; EC=2.4.2.1; |
| SIMILARITY | Belongs to the nucleoside phosphorylase PpnP family. |
Keywords
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Gene Ontology
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| GO:0004731; Molecular function:purine-nucleoside phosphorylase activity |
| GO:0016154; Molecular function:pyrimidine-nucleoside phosphorylase activity |
Cross-references
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| Pfam | PF06865; DUF1255; 1; |
Features
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Additional information
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| Size range | 92-111 amino acids |
| Related rules |
None |
| Fusion | Nter: None Cter: None |