Lastly, HLA-DPB1 with a glutamic acid at amino acid position 69 (Glu69) (or HLA-DPB1*02:01) allele confers an increased risk of beryllium sensitization and characterized CBD as a separate entity from sarcoidosis, which can be named a metal-induced granulomatous disorder [101]. The gene discussed is HLA-DPB1; the disease is red-green color blindness.