Review Article

Chemical Approaches for Structure and Function of RNA in Postgenomic Era

Table 13

Cap variations of flanking nucleotide modifications.

Trimethylguanosine cap7-Methylguanosine cap

Type 0 m 3 2 , 2 , 7 GpppN-m7GpppN-
Type I m 3 2 , 2 , 7 GpppNmN-m7GpppNmN-
Type II m 3 2 , 2 , 7 GpppNmNmN-m7GpppNmNmN-
Type III m 3 2 , 2 , 7 GpppNmNmNmN-m7GpppNmNmNmN-
Type IV m 3 2 , 2 , 7 GpppNmNmNmNmN-m7GpppNmNmNmNmN-