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Literature summary extracted from

  • Sorrentino, S.; Tucker, G.K.; Glitz, D.G.
    Purification and characterization of a ribonuclease from human liver (1988), J. Biol. Chem., 263, 16125-16131.
    View publication on PubMed

Inhibitors

EC Number Inhibitors Comment Organism Structure
4.6.1.18 iodoacetate
-
Homo sapiens
4.6.1.18 NaCl 0.15 M or above Homo sapiens

Molecular Weight [Da]

EC Number Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
4.6.1.18 15000
-
high homology to human angiogenin Homo sapiens

Natural Substrates/ Products (Substrates)

EC Number Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
4.6.1.18 RNA + H2O Homo sapiens endonucleolytic cleavage to 3'-phosphomononucleotides and 3'-phosphooligonucleotides ending in Cp or Up with 2',3'-cyclic phosphate intermediates, e.g. tRNA, 18S and 28S rRNA, yeast RNA,4.5S RNA 3'-phosphomononucleotides + 3'-phosphooligonucleotides
-
?

Organism

EC Number Organism UniProt Comment Textmining
4.6.1.18 Homo sapiens
-
-
-

Purification (Commentary)

EC Number Purification (Comment) Organism
4.6.1.18
-
Homo sapiens

Source Tissue

EC Number Source Tissue Comment Organism Textmining
4.6.1.18 liver
-
Homo sapiens
-

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
4.6.1.18 cyclic 2',3'-nucleoside monophosphate + H2O second step of hydrolysis is irreversible Homo sapiens 3'-phosphomononucleotides
-
ir
4.6.1.18 poly (C) + H2O
-
Homo sapiens 3'-CMP + 3'-phosphooligonucleotides
-
?
4.6.1.18 poly U + H2O liver enzyme, low activity Homo sapiens 3'-UMP + 3'-oligonucleotides
-
?
4.6.1.18 RNA + H2O endonucleolytic cleavage to 3'-phosphomononucleotides and 3'-phosphooligonucleotides ending in Cp or Up with 2',3'-cyclic phosphate intermediates, e.g. tRNA, 18S and 28S rRNA, yeast RNA,4.5S RNA Homo sapiens 3'-phosphomononucleotides + 3'-phosphooligonucleotides
-
?
4.6.1.18 RNA + H2O first step of hydrolysis is reversible Homo sapiens cyclic 2',3'-nucleoside monophosphate
-
r

pH Optimum

EC Number pH Optimum Minimum pH Optimum Maximum Comment Organism
4.6.1.18 7.3 7.6 liver Homo sapiens