The Pab Rb x human USF1 (Upstream Stimulatory Factor 1, Class B Basic Helix-loop-helix Protein 11, bHLHb11, Major Late Transcription Factor 1, USF) (APC) antibody from United States Biological is a Rabbit Polyclonal antibody to USF1. This antibody recognizes Homo Sapiens, and Human antigen. The Pab Rb x human USF1 (Upstream Stimulatory Factor 1, Class B Basic Helix-loop-helix Protein 11, bHLHb11, Major Late Transcription Factor 1, USF) (APC) antibody has been shown to work in the following applications: Western Blot.