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Literature summary extracted from

  • Stevens, A.
    An exoribonuclease from Saccharomyces cerevisiae: effect of modifications of 5'-end groups on the hydrolysis of substrates to 5'-mononucleotides (1978), Biochem. Biophys. Res. Commun., 81, 656-661.
    View publication on PubMed

Inhibitors

EC Number Inhibitors Comment Organism Structure
3.1.13.1 5'-capped mRNA
-
Saccharomyces cerevisiae
3.1.13.1 Rna with a terminal 5'-phosphate group
-
Saccharomyces cerevisiae

Localization

EC Number Localization Comment Organism GeneOntology No. Textmining
3.1.13.1 ribosome
-
Saccharomyces cerevisiae 5840
-

Metals/Ions

EC Number Metals/Ions Comment Organism Structure
3.1.13.1 Mg2+ necessary for activity Saccharomyces cerevisiae
3.1.13.1 Mg2+ optimum: 1.5 mM Saccharomyces cerevisiae
3.1.13.1 Mn2+ necessary for activity Saccharomyces cerevisiae
3.1.13.1 Mn2+ optimum: 0.3 mM, stimulation about two-thirds the rate with Mg2+ Saccharomyces cerevisiae
3.1.13.1 NH4+ activating Saccharomyces cerevisiae
3.1.13.1 NH4+ stimulates at pH 9.5 about 100%, optimum: 50 mM Saccharomyces cerevisiae

Natural Substrates/ Products (Substrates)

EC Number Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
3.1.13.1 ss RNA + H2O Saccharomyces cerevisiae
-
5'-phosphomononucleotides
-
?

Organism

EC Number Organism UniProt Comment Textmining
3.1.13.1 Saccharomyces cerevisiae
-
-
-

Purification (Commentary)

EC Number Purification (Comment) Organism
3.1.13.1 200fold Saccharomyces cerevisiae

Reaction

EC Number Reaction Comment Organism Reaction ID
3.1.13.1 Exonucleolytic cleavage in the 3'- to 5'- direction to yield nucleoside 5'-phosphates acts in a processive manner Saccharomyces cerevisiae

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
3.1.13.1 additional information capped mRNA is not hydrolyzed Saccharomyces cerevisiae ?
-
?
3.1.13.1 poly(A) + H2O
-
Saccharomyces cerevisiae 5'-AMP + oligonucleotide
-
?
3.1.13.1 ss RNA + H2O
-
Saccharomyces cerevisiae 5'-phosphomononucleotides
-
?

pH Optimum

EC Number pH Optimum Minimum pH Optimum Maximum Comment Organism
3.1.13.1 7 10
-
Saccharomyces cerevisiae