The P4HA1 (E3I3R) Rabbit mAb Antibody from Cell Signaling Technology is a Rabbit Monoclonal antibody to P4HA1. This antibody recognizes Homo Sapiens, Human, Mouse, and Rat antigen. The P4HA1 (E3I3R) Rabbit mAb Antibody has been shown to work in the following applications: Western Blot.