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B3 4
This entry represents the B3/B4 domain, which in molecular biology is found in tRNA synthetase beta subunits, as well as in some non-tRNA synthetase proteins. ==Function== In molecular biology, aminoacyl-tRNA synthetases can catalyse editing reactions to correct errors produced during amino acid activation and tRNA esterification, in order to prevent the attachment of incorrect amino acids to tRNA. The B3/B4 domain of the beta subunit contains an editing site, which lies close to the active site on the alpha subunit. Disruption of this site abolished tRNA editing, a process that is essential for faithful translation of the genetic code.
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「B3 4」の詳細全文を読む
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