Keywords: آندو پروتئولیز; APC; antigen presenting cell; KMP-11; kinetoplastid membrane protein-11; λR(12-26); immunodominant sequence of bacteriophage lambda repressor N-terminal sequence; N-KMP-11; λR(12-26) engineered at the N termini of KMP-11; C-KMP-11; λR(12-26) engi