The Pab Rb x human C1S (Complement C1s Subcomponent, C1 Esterase, Complement Component 1 Subcomponent S) (PE) antibody from United States Biological is a Rabbit Polyclonal antibody to C1S. This antibody recognizes Homo Sapiens, and Human antigen. The Pab Rb x human C1S (Complement C1s Subcomponent, C1 Esterase, Complement Component 1 Subcomponent S) (PE) antibody has been shown to work in the following applications: Western Blot.