Autosomal dominant Charcot-Marie-Tooth disease type 2A1 (CMT2A1) is a form of axonal Charcot-Marie-Tooth disease, a peripheral sensorimotor neuropathy. CMT2A presents with a more prominent muscle weakness in lower than upper limbs and frequent postural tremor. The disease is Charcot-Marie-Tooth disease type 2A1 (Monarch Disease Ontology entry MONDO_0007308). Also known as: CMT2A, CMT2A1, Charcot-Marie-Tooth disease neuronal type 2A1, Charcot-Marie-Tooth disease type 2 caused by mutation in KIF1B, Charcot-Marie-Tooth disease type 2A, Charcot-Marie-Tooth disease, type 2A1, Charcot-Marie-Tooth neuropathy type 2A1, HMSN IIA1.