CTNNB1 and autism: In this ASD‐DM interactor set, 21 genes are high‐confidence autism genes not previously associated with DM (ANK2, ASXL3, CTNNB1, CUL3, DLG4, DYRK1A, GNAI1, GRIN2B, KCNMA1, KMT2A, NCOA1, NIPBL, NLGN1, NRXN1, PHF12, POGZ, PPP1R9B, SIN3A, SMARCC2, TBL1XR1, UBR1).