EC Number | Activating Compound | Comment | Organism | Structure |
---|---|---|---|---|
4.6.1.18 | Chloroquine | at 0.13 mM | Bos taurus |
EC Number | Inhibitors | Comment | Organism | Structure |
---|---|---|---|---|
4.6.1.18 | adenosine 5'-phosphate | - |
Bos taurus | |
4.6.1.18 | cytidine | - |
Bos taurus | |
4.6.1.18 | folic acid | inhibitor when 2',3'-CMP is substrate not when RNA is substrate | Bos taurus | |
4.6.1.18 | PO43- | - |
Bos taurus | |
4.6.1.18 | Polyanions | natural and synthetic, free poly(A), poly(U) | Bos taurus | |
4.6.1.18 | ribonuclease inhibitor | cytoplasmic | Bos taurus | |
4.6.1.18 | spermine | at 0.13 mM: inhibition, at 0.02 M: activity towards cyclic substrates and poly(C) is activated, not towards poly(U) | Bos taurus | |
4.6.1.18 | VO2+ | in complex with nucleotide monophosphate | Bos taurus |
EC Number | KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|---|
4.6.1.18 | 1 | 7 | cyclic 2',3'-CMP | allosteric model | Bos taurus |
EC Number | Natural Substrates | Organism | Comment (Nat. Sub.) | Natural Products | Comment (Nat. Pro.) | Rev. | Reac. |
---|---|---|---|---|---|---|---|
4.6.1.18 | RNA + H2O | Bos taurus | 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 | - |
? |
EC Number | Organism | UniProt | Comment | Textmining |
---|---|---|---|---|
4.6.1.18 | Bos taurus | - |
- |
- |
EC Number | Posttranslational Modification | Comment | Organism |
---|---|---|---|
4.6.1.18 | glycoprotein | - |
Bos taurus |
EC Number | Purification (Comment) | Organism |
---|---|---|
4.6.1.18 | - |
Bos taurus |
EC Number | Source Tissue | Comment | Organism | Textmining |
---|---|---|---|---|
4.6.1.18 | pancreas | - |
Bos taurus | - |
4.6.1.18 | seminal plasma | - |
Bos taurus | - |
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 | Bos taurus | 3'-phosphomononucleotides | - |
ir | |
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 | Bos taurus | 3'-phosphomononucleotides + 3'-phosphooligonucleotides | - |
? | |
4.6.1.18 | RNA + H2O | first step of hydrolysis is reversible | Bos taurus | cyclic 2',3'-nucleoside monophosphate | - |
r |