产品内容
本酶催化的反应为A TRNA Precursor + 2 CTP + ATP = A TRNA With A 3' CCA End + 3 Diphosphate (Overall Reaction);;(1a) A TRNA Precursor + CTP = A TRNA With A 3' Cytidine End + Diphosphate;;(1b) A TRNA With A 3' Cytidine + CTP = A TRNA With A 3' CC End + Diphosphate;;(1c) A TRNA With A 3' CC End + ATP = A TRNA With A 3' CCA End + Diphosphate,系统名称为CTP,CTP,ATP:tRNA Cytidylyl,cytidylyl,adenylyltransferase,所有 tRNA 与氨基酸的酰化发生在 3' CCA 序列的末端核糖上。CCA 序列由一种在所有生物中普遍存在的单一酶通过逐步核苷酸添加而添加到 tRNA 前体上。虽然该酶可以在每次添加后释放产物,但它更倾向于保持与产物结合并继续进行下一次添加 [5]。