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In enzymology, a valine-tRNA ligase () is an enzyme that catalyzes the chemical reaction :ATP + L-valine + tRNAVal AMP + diphosphate + L-valyl-tRNAVal The 3 substrates of this enzyme are ATP, L-valine, and tRNA(Val), whereas its 3 products are AMP, diphosphate, and L-valyl-tRNA(Val). This enzyme belongs to the family of ligases, to be specific those forming carbon-oxygen bonds in aminoacyl-tRNA and related compounds. The systematic name of this enzyme class is L-valine:tRNAVal ligase (AMP-forming). Other names in common use include valyl-tRNA synthetase, valyl-transfer ribonucleate synthetase, valyl-transfer RNA synthetase, valyl-transfer ribonucleic acid synthetase, valine transfer ribonucleate ligase, and valine translase. This enzyme participates in valine, leucine and isoleucine biosynthesis and aminoacyl-trna biosynthesis. ==Structural studies== As of late 2007, 5 structures have been solved for this class of enzymes, with PDB accession codes , , , , and . 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「Valine—tRNA ligase」の詳細全文を読む スポンサード リンク
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