The E2F1 Rabbit mAb Antibody from Signalway Antibody LLC Monoclonal antibody to E2F Transcription Factor 1, and E2F1. This antibody recognizes Homo Sapiens, Human, Mouse, and Rat antigen. The E2F1 Rabbit mAb Antibody has been shown to work in the following applications: Immunohistochemistry, and Western Blot.