is synthetic protein mutant of HLA-DRB1*01:01 protein complex HLA-DRB1*01:01 D57V, Y60S mutant protein complex D57V, Y60S HLA-DRB1*0101 HLA-DRB1*0101 D57V, Y60S mutant HLA-DRB1*01:01 D57V, Y60S mutant HLA-DRB10101 D57V, Y60S mutant HLA-DRB101:01 D57V, Y60S mutant partial molecule mutant human MHC class II protein complex