In addition, the mutation/deletion of other vesicular trafficking proteins (including Rab7, SH3TC2, MTMR2, MTMR13/SBF2, and FIG4) account for other CMT subtypes (CMT2B, CMT4C, CMT4B1, CMT4B2, and CMT4J, respectively) [135]. The gene discussed is FIG4; the disease is Charcot-Marie-Tooth disease.