PhosphoSolutions' Anti-Crk II (Tyr-221), Phosphospecific Antibody is a Rabbit Polyclonal antibody. This antibody has been shown to work in applications such as: Western Blot. The Anti-Crk II (Tyr-221), Phosphospecific Antibody was generated using CRK as the antigen and it reacts with Homo Sapiens, Human, Mouse, Rat, Chicken/Bird, and Xenopus/Amphibian.