similarly , tc 50 s ribosomes are converted to lc 50 s ribosomes , although partially , by treatment with ef-g and a gtp analogue like guanyl-5'-yl methylenediphosphate ( gmp-p ( ch2 ) p ) or guanyl-5'-yl imidodiphosphate ( gmp-p ( nh ) p ) and including a polymer of 5'-uridylic acid ( poly ( u ] in the incubation mixture .
C0018353
gtp
C0018366
guanyl-5