Thermo Fisher Scientific's GAPDH Loading Control Antibody Biotin is a Goat Polyclonal antibody. This antibody has been shown to work in applications such as: Western Blot. The GAPDH Loading Control Antibody Biotin was generated using GAPDH, and glyceraldehyde-3-phosphate dehydrogenase as the antigen and it reacts with Homo Sapiens, Human, and Mouse.