NCIt definition : A recombinant peptide consisting of amino acid residues 240 to 251 of the enzyme tyrosinase,
a protein frequently expressed by melanoma cells, with serine substitution at position
244 to improve immunogenicity. Vaccination with tyrosinase:240-251(244S) may stimulate
the host immune response to mount a cytotoxic T lymphocyte (CTL) response against
tyrosinase-expressing tumor cells.;