In addition to activation of phospholipase C gamma 1 , ligation of this receptor also seems to activate a calcium -independent , CD28 -specific pathway .
in addition to activation of phospholipase c gamma 1 , ligation of this receptor also seems to activate a calcium -independent , cd28 -specific pathway .
O O O O O B-protein_molecule I-protein_molecule I-protein_molecule I-protein_molecule O O O O O O O O O O B-atom O O B-protein_molecule O O O