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EC 3.1.27.9 Details
EC number
3.1.27.9
Accepted name
tRNA-intron endonuclease
Reaction
Endonucleolytic cleavage of pre-tRNA, producing 5′-hydroxy and 2′,3′-cyclic phosphate termini, and specifically removing the intron
Other name(s)
transfer ribonucleate intron endoribonuclease, tRNA splicing endonuclease, splicing endonuclease, tRNATRPintron endonuclease, transfer splicing endonuclease
CAS registry number
117444-13-0
Comment
The enzyme catalyses the final stage in the maturation of tRNA molecules.
History
created 1992, deleted 2014
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EC Tree
1 Oxidoreductases
2 Transferases
3 Hydrolases
3.1 Acting on ester bonds
3.1.1 Carboxylic-ester hydrolases
3.1.2 Thioester hydrolases
3.1.3 Phosphoric-monoester hydrolases
3.1.4 Phosphoric-diester hydrolases
3.1.5 Triphosphoric-monoester hydrolases
3.1.6 Sulfuric-ester hydrolases
3.1.7 Diphosphoric-monoester hydrolases
3.1.8 Phosphoric-triester hydrolases
3.1.11 Exodeoxyribonucleases producing 5′-phosphomonoesters
3.1.12 Exodeoxyribonucleases producing 3′-phosphomonoesters
3.1.13 Exoribonucleases producing 5′-phosphomonoesters
3.1.14 Exoribonucleases producing 3'-phosphomonoesters
3.1.15 Exonucleases that are active with either ribo- or deoxyribonucleic acids and produce 5'-phosphomonoesters
3.1.16 Exonucleases that are active with either ribo- or deoxyribonucleic acids and produce 3'-phosphomonoesters
3.1.21 Endodeoxyribonucleases producing 5'-phosphomonoesters
3.1.22 Endodeoxyribonucleases producing 3'-phosphomonoesters
3.1.23 Site-specific endodeoxyribonucleases: cleavage is sequence specific (deleted sub-subclass)
3.1.24 Site specific endodeoxyribonucleases: cleavage is not sequence specific (deleted sub-subclass)
3.1.25 Site-specific endodeoxyribonucleases that are specific for altered bases
3.1.26 Endoribonucleases producing 5'-phosphomonoesters
3.1.27 Endoribonucleases producing 3'-phosphomonoesters
3.1.27.1 ribonuclease T2
3.1.27.2 Bacillus subtilis ribonuclease
3.1.27.3 ribonuclease T1
3.1.27.4 ribonuclease U2
3.1.27.5 pancreatic ribonuclease
3.1.27.6 Enterobacter ribonuclease
3.1.27.7 ribonuclease F
3.1.27.8 ribonuclease V
3.1.27.9 tRNA-intron endonuclease
3.1.27.10 rRNA endonuclease
3.1.30 Endoribonucleases that are active with either ribo- or deoxyribonucleic acids and produce 5'-phosphomonoesters
3.1.31 Endoribonucleases that are active with either ribo- or deoxyribonucleic acids and produce 3'-phosphomonoesters
3.2 Glycosylases
3.3 Acting on ether bonds
3.4 Acting on peptide bonds (peptidases)
3.5 Acting on carbon-nitrogen bonds, other than peptide bonds
3.6 Acting on acid anhydrides
3.7 Acting on carbon-carbon bonds
3.8 Acting on halide bonds
3.9 Acting on phosphorus-nitrogen bonds
3.10 Acting on sulfur-nitrogen bonds
3.11 Acting on carbon-phosphorus bonds
3.12 Acting on sulfur-sulfur bonds
3.13 Acting on carbon-sulfur bonds
4 Lyases
5 Isomerases
6 Ligases
7 Translocases