The present invention relates to new peptides from DDB1-and CUL4-associated factors 4- albuminoids 2 (DCAF4L2) compound, and the peptide and MHC molecule compound is presented in combination recombination MHC molecule and cell comprising such peptide. It is that peptide and/or compound of the invention are integrated to by those that the present invention, which also provides the conjugated group,. These structure divisions can be used for developing the reagent of immunization therapy treatment such as cancer.