4 related to amyotrophic lateral sclerosis 11 and Charcot-Marie-Tooth disease (type 4J), RTF1 related to congenital disorder of glycosylation (type In), CCT2 related to diversity of adult human height, CCT5 related to neuropathy and hereditary sensory; C5orf15 and PITRM1 related to conduct disorder and ADHD, and TMEM43 related to arrhythmogenic right ventricular dysplasia-5 (AVRD). The gene discussed is C5orf15; the disease is conduction system disorder.