PIK3R4 and Miyoshi myopathy: As shown in Fig. 4G, increased Vps15 and Vps34 are obtained in Beclin‐1 antibody‐immunoprecipitated proteins derived from NEK2‐OE KMS11 MM cells compared with controls, indicating that overexpression of NEK2 promotes the formation of Beclin‐1‐Vps15‐Vps34 complex.