mRNA caps--old and newer hats.
Shatkin
A J
AJ
D000818:Animals; D002352:Carrier Proteins / Q000378:metabolism; D039381:RNA Cap-Binding Proteins; D012315:RNA Caps / Q000378:metabolism*; D012333:RNA, Messenger / Q000378:metabolism*; D012367:RNA, Viral / Q000378:metabolism
D002352:Carrier Proteins; D039381:RNA Cap-Binding Proteins; D012315:RNA Caps; D012333:RNA, Messenger; D012367:RNA, Viral