The HCoV-OC43 Spike Protein (E4U6P) Rabbit mAb Antibody from Cell Signaling Technology is a Rabbit Monoclonal antibody to S. This antibody recognizes Virus antigen. The HCoV-OC43 Spike Protein (E4U6P) Rabbit mAb Antibody has been shown to work in the following applications: Western Blot.