PR18 (ras-12CYS) Peptide

**Semantic type:** Amino Acid, Peptide, or Protein|Immunologic Factor

**Definition:** A synthetic form of the ras peptide containing a point mutation at position 12 (glycine to cysteine). Vaccines using mutant ras peptides may be used in the immunotherapy of various cancers that express ras mutations. (NCI04)

**Synonyms:** - Ras Peptide PR18 (YKLVVVGACGVGKSALT)