Gene symbol and protein	Gene Location	All allelic disease phenotypes - locus/disease symbols
GAA acid alpha-glucosidase preproprotein	17q25.2-q25.3	* Glycogen storage disease II - GSDII (9.1, 10.68)
GAN gigaxonin	16q24.1	* Giant axonal neuropathy-1 - GAN1 (14.65)
GARS glycyl-tRNA synthetase	7p15	* Neuropathy, distal hereditary motor type V - HMN V (12.14, 14.39) * Spinal muscular atrophy, distal, type V - DSMAV (12.14, 14.39) * Charcot-Marie-Tooth disease, axonal, type 2D - CMT2D (12.14, 14.39)
GBE1 glucan (1,4-alpha-), branching enzyme 1 (glycogen branching enzyme, Andersen disease, glycogen storage disease type IV)	3p12	* Glycogen branching enzyme deficiency - GSD IV (9.3)
GDAP1 ganglioside-induced differentiation-associated protein 1	8q13-q21	* Charcot-Marie-Tooth disease, type 4A - CMT4A (14.15, 14.46) * Charcot-Marie-Tooth disease, mixed axonal and demyelinating type - CMT4A (14.15, 14.46) * Charcot-Marie-Tooth disease, type 2K - CMT2K (14.15, 14.46)
GDF8 myostatin, muscular hypertrophy	2Q32	* Muscle hypertrophy - MSLHP (5.15)
GFPT1 glutamine-fructose-6-phosphate transaminase 1	2p12-p15	* Myastenia, Limb-Girdle, With tubular aggregates - LGM (11.16)
GJA5 connexin 40	1q21.1	* atrial fibrillation, familial, 1 - ATFB1 (10.109, 10.110)
GJB1 gap junction protein, beta 1, 32kDa (connexin 32)	Xq13.1	* Charcot-Marie-Tooth neuropathy, X-linked - CMTX1 (14.26, 14.33)
GLE1 GLE1 RNA export mediator homolog (yeast)	9q34.11	* Lethal congenital contracture syndrome 1 - LCCS1 (12.33)
GNE UDP-N-acetylglucosamine-2- epimerase/N-acetylmannosamine kinase	9p13.3	* Inclusion body myopathy, autosomal recessive - IBM2 (4.3) * Nonaka myopathy - NM (4.3)
GPD1L glycerol-3-phosphate dehydrogenase 1-like	3p22.3	* brugada syndrome 2 - (10.112)
GYG1	3q24	* Glycogen storage disease XV - GSD15 (9.8)
GYS1 glycogen synthase 3 glycogen synthase 1 (muscle) glycogen synthase 1 (muscle)	19q13.3	* glycogen storage disease type 0 - GSD0b (9.9)