SBF1 and Charcot-Marie-Tooth disease: MTMR2 (phosphatase) forms heterodimers with MTMR13 (pseudophosphatase) or MTMR5 (pseudophosphatase), and heterodimers with MTMR13 (pseudophosphatase) or MTMR5 (pseudophosphatase), and disruption of these dimers leads to the associated CMT pathology [83].