The Human Activin RIA/ALK-2 Biotinylated Antibody from R&D Systems, a Bio-Techne Brand is a Goat Polyclonal antibody to ACVR1. This antibody recognizes Homo Sapiens, and Human antigen. The Human Activin RIA/ALK-2 Biotinylated Antibody has been shown to work in the following applications: Flow Cytometry, and Western Blot.