小结：多余的核苷酸是被RNase P催化的核内裂解从 前体tRNAS的5-端除去。来自细菌和真核生物细胞核 的RNase P有一个具有催化活性的亚基，称为MIRNA。 菠菜的叶绿体RNase P缺少RNA
小结：多余的核苷酸是被RNase P催化的核内裂解从 前体tRNAs的5`-端除去。来自细菌和真核生物细胞核 的RNase P有一个具有催化活性的亚基，称为M1RNA。 菠菜的叶绿体RNase P缺少RNA
Forming mature 3'-ends There are six RNase involved t-RNA 3'end maturation,RNase D,RNase BN,RNase PH,RNase II and polynucleotide phosphorylase (PNPase). Copyright The McGraw-Hill Companies,Inc Permission required for reproduction or display. OH OH OH OH (a)RNase Il (c)RNase T PNPase (b)RNase PH (RNase PH)
Forming mature 3’-ends • There are six RNase involved t-RNA 3’end maturation, RNase D, RNase BN, RNase PH, RNase II and polynucleotide phosphorylase (PNPase). ~75 nt