ERK1 activity was 2-fold increased by C5b-9 at 2 min and by C5b-7 at 10 min , over the C5b6 level .
erk1 activity was 2-fold increased by c5b-9 at 2 min and by c5b-7 at 10 min , over the c5b6 level .
B-protein_molecule O O O O O B-protein_complex O O O O O B-protein_complex O O O O O O B-protein_complex O O