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In enzymology, a tyrosine-tRNA ligase () is an enzyme that catalyzes the chemical reaction :ATP + L-tyrosine + RNA AMP + diphosphate + L-tyrosyl-tRNATyr The 3 substrates of this enzyme are ATP, L-tyrosine, and RNA, whereas its 3 products are AMP, diphosphate, and L-tyrosyl-tRNA(Tyr). 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-tyrosine:tRNATyr ligase (AMP-forming). This enzyme participates in phenylalanine, tyrosine and tryptophan biosynthesis and aminoacyl-trna biosynthesis. ==Structural studies== As of late 2007, 34 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「Tyrosine—tRNA ligase」の詳細全文を読む スポンサード リンク
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