Patent ID: 6946133

Claim:
A prostate oligo-epitope peptide (PSA-OP) comprising the amino acid sequence: F L T P K K L Q C V D L 141 142 143 144 145 146 147 148 149 150 151 152 H V I S N D V C A Q V H 153 154 155 156 157 158 159 160 161 162 163 164 P Q K V T K (SEQ ID NO.:4) 165 166 167 168 169 170 wherein valine is substituted for an amino acid residue at one or more positions selected from the group consisting of position 148, position 149, position 160 and position 161 or wherein at least one of the amino acids at positions 151, 152 or 153 is deleted and wherein said PSA-OP generates a prostate specific antigen immune response in a population of humans having more than one HLA Class I molecule type.