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Literature summary for 3.1.26.5 extracted from

  • Ando, T.; Tanaka, T.; Kikuchi, Y.
    Comparative analyses of hairpin substrate recognition by Escherichia coli and Bacillus subtilis ribonuclease P ribozymes (2003), Biosci. Biotechnol. Biochem., 67, 1825-1827.
    View publication on PubMed

Inhibitors

Inhibitors Comment Organism Structure
guide DNA complete inhibition at 0.005 mM Bacillus subtilis
guide DNA complete inhibition at 0.005 mM Escherichia coli

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.000072
-
human pre-tRNATyr pH 8.0, 37°C, 20 mM Mg2+ Bacillus subtilis
0.00025
-
human pre-tRNATyr pH 8.0, 37°C, 40 mM Mg2+ Bacillus subtilis
0.00043
-
human pre-tRNATyr pH 8.0, 37°C, 20 mM Mg2+ Escherichia coli
0.00054
-
human pre-tRNATyr pH 8.0, 37°C, 40 mM Mg2+ Escherichia coli

Metals/Ions

Metals/Ions Comment Organism Structure
Mg2+ absolutely required, optimal at about 10 mM, for catalysis and substrate shape recognition, influences substrate binding affinity Escherichia coli
Mg2+ absolutely required, optimal at about 20 mM, for catalysis and substrate shape recognition, influences substrate binding affinity Bacillus subtilis

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
tRNA precursor + H2O Bacillus subtilis tRNA processing mature tRNA + 5'-oligonucleotide
-
?
tRNA precursor + H2O Escherichia coli tRNA processing mature tRNA + 5'-oligonucleotide
-
?

Organism

Organism UniProt Comment Textmining
Bacillus subtilis
-
-
-
Escherichia coli
-
-
-

Posttranslational Modification

Posttranslational Modification Comment Organism
ribonucleoprotein
-
Bacillus subtilis
ribonucleoprotein
-
Escherichia coli

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
human pre-tRNATyr + H2O
-
Bacillus subtilis human mature tRNATyr + 5'-oligonucleotide
-
?
human pre-tRNATyr + H2O
-
Escherichia coli human mature tRNATyr + 5'-oligonucleotide
-
?
tRNA precursor + H2O tRNA processing Bacillus subtilis mature tRNA + 5'-oligonucleotide
-
?
tRNA precursor + H2O tRNA processing Escherichia coli mature tRNA + 5'-oligonucleotide
-
?
tRNATyr precursor + H2O human substrate, cleavage of 5'-terminal oligonucleotide, enzyme recognizes the RNA substrate hairpin structure Bacillus subtilis mature tRNATyr + 5'-oligonucleotide generates 5'-phosphate,3'-hydroxyl-product ?
tRNATyr precursor + H2O human substrate, cleavage of 5'-terminal oligonucleotide, enzyme recognizes the RNA substrate hairpin structure Escherichia coli mature tRNATyr + 5'-oligonucleotide generates 5'-phosphate,3'-hydroxyl-product ?

Synonyms

Synonyms Comment Organism
ribonuclease P ribozyme
-
Bacillus subtilis
ribonuclease P ribozyme
-
Escherichia coli
RNase P
-
Bacillus subtilis
RNase P
-
Escherichia coli
RNase P ribozyme
-
Bacillus subtilis
RNase P ribozyme
-
Escherichia coli
transfer RNA processing enzyme
-
Bacillus subtilis
transfer RNA processing enzyme
-
Escherichia coli
tRNA-processing enzyme
-
Bacillus subtilis
tRNA-processing enzyme
-
Escherichia coli

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
37
-
assay at Bacillus subtilis
37
-
assay at Escherichia coli

Turnover Number [1/s]

Turnover Number Minimum [1/s] Turnover Number Maximum [1/s] Substrate Comment Organism Structure
0.000011
-
human pre-tRNATyr pH 8.0, 37°C, 20 mM Mg2+ Bacillus subtilis
0.00002
-
human pre-tRNATyr pH 8.0, 37°C, 20 mM Mg2+ Escherichia coli
0.00004
-
human pre-tRNATyr pH 8.0, 37°C, 40 mM Mg2+ Escherichia coli
0.000056
-
human pre-tRNATyr pH 8.0, 37°C, 40 mM Mg2+ Bacillus subtilis

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
8
-
assay at Bacillus subtilis
8
-
assay at Escherichia coli