Segregation analysis and sequence trace files are shown for 7 families. (A) Families CMT-1057, CMT-1121, and CMT-1130 carrying the Arg120Trp mutation. (B) Families CMT-129 and CMT-1060 with the His123Arg mutation. (C) Families CMT-1123 and CMT-1124 with the Ala156Gly mutation. (D) Family CMT-1058 with the Pro274Leu mutation. Square = male, circle = female, black filled symbol = affected, empty symbol = unaffected, empty symbol with black dot = unaffected mutation carrier, black arrow = proband; genotype is indicated under each individual from whom the DNA was available for testing.