Fig. 1. Tagged Su(var)3-7 constructs. (A) Alignment of the tagged Su(var)3-7 constructs. (B) Western blot of crude protein extracts from heat shocked and non-heat shocked adult flies expressing different tagged constructs. Detection with an anti-HA antibody. (Left) 8% polyacrylamide gel; (right) 10% polyacrylamide gel.