Interestingly , these three proteins can be phosphorylated by protein kinase A and thus form a particular subgroup within the CREB/ATF family .
interestingly , these three proteins can be phosphorylated by protein kinase a and thus form a particular subgroup within the creb/atf family .
O O O O O O O O O B-protein_molecule I-protein_molecule I-protein_molecule O O O O O O O O B-protein_family_or_group I-protein_family_or_group O