cell Line; animals; inbred mice; C57BL; NOD; mice; Drosophila melanogaster; Diabetes Mellitus Type 1; isoenzymes; glutamate decarboxylase; peptide fragments; peptide library; ovalbumin; antigens; differentiation; B-Lymphocyte; Histocompatibility Antigens Class II; crystallisation; sequence alignment; amino acid sequence; amino acid motifs; protein binding; genetic vectors; molecular sequence data