| 词条 | Aminoacyltransferase |
| 释义 |
Aminoacyltransferases ({{EC number|2.3.2}}) are acyltransferase enzymes which act upon an amino group. For instance, aminoacyl tRNA synthetases attach an aminoacid through esterification to their corresponding tRNA. The activation of amino acids with aminoacyl-tRNA synthetase requires hydrolysis of ATP to AMP plus PPi. The aminoacyl-tRNA molecule has close relationships with elongation factors like EF-Tu. Peptidyl transferases are also a type of aminoacyltransferase that catalyze the formation of peptide bonds, as well as the hydrolytic step that leads to the release of newly synthesized proteins off the tRNA. External links
1 : EC 2.3.2 |
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