The Tryptophan Hydroxylase 1/TPH-1 Antibody from R&D Systems, a Bio-Techne Brand is a Goat Polyclonal antibody to TPH1, and tryptophan hydroxylase 1. This antibody recognizes Homo Sapiens, and Human antigen. The Tryptophan Hydroxylase 1/TPH-1 Antibody has been validated for the following applications: Immunohistochemistry, and Western Blot.