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HAMAP rule MF_01595
General rule information
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Accession | MF_01595 |
Dates | 19-MAR-2008 (Created)
1-JUN-2023 (Last updated, Version 20) |
Name | PNPase |
Scope(s) |
Bacteria |
Template(s) | P05055 (PNP_ECOLI); Q8ZLT3 (PNP_SALTY); P50849 (PNP_BACSU); Q53597 (PNP_STRAT); [ Recover all ] |
Triggered by |
HAMAP; MF_01595 (Get profile general information and statistics) |
Propagated annotation
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Identifier, protein and gene names
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Identifier | PNP |
Protein name | RecName: Full=Polyribonucleotide nucleotidyltransferase; EC=2.7.7.8; AltName: Full=Polynucleotide phosphorylase; Short=PNPase; |
Gene name | Name=pnp; |
Comments
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FUNCTION | Involved in mRNA degradation. Catalyzes the phosphorolysis of single-stranded polyribonucleotides processively in the 3'- to 5'- direction. |
CATALYTIC ACTIVITY | Reaction=phosphate + RNA(n+1) = a ribonucleoside 5'-diphosphate + RNA(n); Xref=Rhea:RHEA:22096, Rhea:RHEA-COMP:14527, Rhea:RHEA- COMP:17342, ChEBI:CHEBI:43474, ChEBI:CHEBI:57930, ChEBI:CHEBI:140395; EC=2.7.7.8; |
COFACTOR | Name=Mg(2+); Xref=ChEBI:CHEBI:18420; |
case <OC:Gammaproteobacteria> | |
SUBUNIT | Component of the RNA degradosome, which is a multiprotein complex involved in RNA processing and mRNA degradation. |
end case | |
SUBCELLULAR LOCATION | Cytoplasm. |
SIMILARITY | Belongs to the polyribonucleotide nucleotidyltransferase family. |
Keywords
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Gene Ontology
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GO:0004654; Molecular function:polyribonucleotide nucleotidyltransferase activity |
GO:0000287; Molecular function:magnesium ion binding |
GO:0003723; Molecular function:RNA binding |
GO:0006402; Biological process:mRNA catabolic process |
GO:0005737; Cellular component:cytoplasm |
Cross-references
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PROSITE | PS50084; KH_TYPE_1; 1; |
PROSITE | PS50126; S1; 1; |
Pfam | PF00013; KH_1; 1; |
Pfam | PF03726; PNPase; 1; |
Pfam | PF01138; RNase_PH; 2; |
Pfam | PF03725; RNase_PH_C; 2; |
Pfam | PF00575; S1; 1; |
PIRSF | PIRSF005499; PNPase; 1; |
NCBIfam | TIGR03591; Polynuc_phos; 1; |
NCBIfam | TIGR02696; PppGpp_PNP; 1; |
Features
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From: PNP_ECOLI (P05055) | ||||||||||||
Key | From | To | Description | Tag | Condition | FTGroup | ||||||
BINDING | 486 | 486 | /ligand="Mg(2+)" /ligand_id="ChEBI:CHEBI:18420" |
D | ||||||||
BINDING | 492 | 492 | /ligand="Mg(2+)" /ligand_id="ChEBI:CHEBI:18420" |
D |
Additional information
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Size range | 686-914 amino acids |
Related rules |
None |
Fusion | Nter: None Cter: None |