NCIt definition : A recombinant peptide consisting of amino acid residues 1 to 9 of the tyrosinase-related
protein 1 (TRP1). Expressed by cells of melanocyte origin, TRP1 is an enzyme involved
in the process that converts tyrosinase to melanin pigments. Vaccination with TRP1(0RF3):1-9
may stimulate cytotoxic T cell responses to melanoma cells.(NCI04);