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5′‐Cap on messenger RNA (mRNA). (a) Schematic of N7‐methylguanosine cap attached to nucleotides 1 and 2 of RNA that are 2′‐O‐methylated. (b) Overview of the canonical pathway for installation of Cap 0, Cap 1, and Cap 2 structures at the 5′‐end of an mRNA. The functional significance of the Cap 0, Cap 1, and Cap 2 are shown
