it is proposed that the potential mediator of this phosphorylation is the ca2+-independent , camp-independent protein kinase , protease activated kinase ii , as shown by the extent of phosphorylation and the tryptic phosphopeptide maps of s6 with highly purified enzyme [ ( 1983 ) j. biol . chem . 258 , 13998-14002 ] .
C0033640
protein kinase
C0031715
phosphorylation