United States Biological's Pab Rb x human IL1B (Catabolin) antibody is a Rabbit Polyclonal antibody. This antibody has been shown to work in applications such as: Western Blot. The Pab Rb x human IL1B (Catabolin) antibody was generated using IL1B, and Interleukin 1 beta as the antigen and it reacts with Homo Sapiens, and Human.