previous studies demonstrated that activation of t lymphocytes by phorbol ester or mitogenic lectin leads to phosphorylation of ser 126 of the cd3 antigen gamma chain , whereas treatment with ionomycin results in phosphorylation of both ser 123 and 126 [ davies , a. a. et al . ( 1987 ) j. biol . chem . 262 , 10918-10921 ] .
C1155065
activation
C1515134
cd3 antigen gamma