V-genes including TRBV7-2, 7–3, 20–1, and 29–1 have no potential for interaction with MHC, and are associated with celiac disease (Gunnarsen et al., 2017; Qiao et al., 2014) and multiple sclerosis (Sethi et al., 2013). The gene discussed is HLA-C; the disease is celiac disease.