Any feedback?
Please rate this page
(literature.php)
(0/150)

BRENDA support

Literature summary for 3.1.26.3 extracted from

  • Shimura, Y.; Sakano, H.; Nagawa, F.
    Specific ribonucleases involved in processing of tRNA precursors of Escherichia coli. Partial purification and some properties (1978), Eur. J. Biochem., 86, 267-281.
    View publication on PubMed

Inhibitors

Inhibitors Comment Organism Structure
EDTA
-
Escherichia coli
K+ inhibits at 0.14 M Escherichia coli
NaCl inhibits at 0.14 M Escherichia coli
NH4+ inhibits at 0.14 M Escherichia coli

Metals/Ions

Metals/Ions Comment Organism Structure
Mg2+ stimulates Escherichia coli
Mn2+ stimulates Escherichia coli

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
41000
-
RNase O, gel filtration Escherichia coli

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
double-stranded RNA + H2O Escherichia coli cleaves multimeric tRNA precursor at the spacer region, also involved in processing of precursor rRNA, hnRNA and early T7-mRNA. Also cleaves double-stranded DNA and single-stranded RNA 5'-phosphooligonucleotides
-
?

Organism

Organism UniProt Comment Textmining
Escherichia coli
-
mutant strains AB301,105, TS241 RNase III deficient
-

Purification (Commentary)

Purification (Comment) Organism
partially RNase O Escherichia coli

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
double-stranded RNA + H2O
-
Escherichia coli 5'-phosphooligonucleotides
-
?
double-stranded RNA + H2O cleaves multimeric tRNA precursor at the spacer region, also involved in processing of precursor rRNA, hnRNA and early T7-mRNA. Also cleaves double-stranded DNA and single-stranded RNA Escherichia coli 5'-phosphooligonucleotides
-
?

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
7 7.4 inactive below, RNA Escherichia coli

pH Range

pH Minimum pH Maximum Comment Organism
8 10 RNA Escherichia coli