Immunoprecipitating ERG in Rat heart tissue. Lane 1: Rabbit control IgG (1µg) instead of CSB-PA007781HA01HU in Rat heart tissue. For western blotting, a HRP-conjugated Protein G antibody was used as the secondary antibody (1/2000). Lane 2: CSB-PA007781HA01HU (8µg) + Rat heart tissue (500µg). Lane 3: Rat heart tissue (10µg)