The Pab Rb x human Sp1 (TSFP1, Specificity Protein 1) antibody from United States Biological is a Rabbit Polyclonal antibody to SP1, and Sp1 transcription factor. This antibody recognizes Homo Sapiens, Human, Mouse, and Rat antigen. The Pab Rb x human Sp1 (TSFP1, Specificity Protein 1) antibody has been shown to work in the following applications: Western Blot.