Gene symbol and protein	Gene Location	All allelic disease phenotypes - locus/disease symbols
NDRG1 N-myc downstream regulated gene 1	8q24.3	* Charcot-Marie-Tooth disease, type 4D - CMT4D (14.19, 14.61) * Neuropathy, hereditary motor and sensory, lom type - HMSNL (14.19, 14.61)
NDUFAF1 NADH-ubiquinone oxidoreductase 1 alpha subcomplex	15q15.1	* patient with HCM and isolated respiratory complex I deficiency - (10.24) * Hypertrophic mitochondrial cardiomyopathy with NDUFAF1 defect - (10.24)
NEB nebulin	2q22	* Nemaline myopathy 2, autosomal recessive - NEM2 (3.2, 4.10)
NEFL neurofilament, light polypeptide 68kDa	8p21	* Charcot-Marie-Tooth disease, type 2E - CMT2E (14.7, 14.40) * Charcot-Marie-Tooth disease, type 1F - CMT1F (14.7, 14.40)
NEXN Nexilin(F-actin binding protein)	1p32-p31	* Hypertrophic cardiomyopathy with nexilin defect - (10.21, 10.63) * Cardiomyopathy, familial hypertrophic 20 - CMH20 (10.21, 10.63) * Cardiomyopathy, dilated, 1CC - CMD1CC (10.21, 10.63)
NGFB nerve growth factor (beta polypeptide)	1p13.1	* neuropathy, hereditary sensory and autonomic type v - HSAN5 (14.60)
NIPA1 non-imprinted in Prader-Willi/Angelman syndrome 1	15q11.2	* Spastic paraplegia 6 uncomplicated,autosomal dominant,Strumpell-Lorrain type - SPG6 (15.3)
NPPA natriuretic peptide precursor A	1p36	* atrial fibrillation, familial, 6 - ATFB6 (10.106)