MID1 and Alzheimer disease: Furthermore, first PPR motif itself, MID1(136–170) BD can interact with MID1 variants that include MID1(77–170aa)AD, MID1(77–205aa)AD, MID1(77–240aa)AD, MID1(77–276aa)AD, MID1(77–311aa)AD and MID1(77–343aa)AD, while MID1(136–170)BD can’t interact with MID1(136–170)AD (Fig. S9a).