chromosome	gene symbol	phenotype
4p16-p15	?	Spastic paraplegia 38, autosomal dominant -SPG38
4p16.2	DOK7 docking protein 7	Familial limb-girdle myasthenia -LGM
4q12	SGCB beta sarcoglycan	Muscular dystrophy, limb-girdle, type 2E -LGMD2E
4q21	?	Muscular dystrophy, limb-girdle, type 1G -LGMD1G
4q23	MTTP microsomal triglyceride transfer protein	abetalipoproteinemia -ABL
4q25	?	atrial fibrillation, familial, 5 -ATFB5
4q25-q27	ANK2 ankyrin 2	Long QT syndrome-4 -LQT4
4q26	MYOZ2 myozenin 2, or calsarcin 1, a Z disk protein	Hypertrophic cardiomyopathy with myozenin 2 defect - Cardiomyopathy, familial hypertrophic, 16 - CMH16 -CMH16
4q32-q35	ETFDH electron-transferring-flavoprotein dehydrogenase	Gluatric aciduria IIc, included -GAIIC Multiple acyl-coa dehydrogenase deficiency -MADD
4q34-q35	?	Distal neuronopathy with pyramidal tract signs - Hereditary motor and sensory neuropathy V -HMSN5
4q35	DUX4 double homeobox 4	Muscular dystrophy, facioscapulohumeral -FSHD Muscular dystrophy, facioscapulohumeral, type 1A -FSHD1A
4q35	SLC25A4 mitochondrial carrier; adenine nucleotide translocator	Progressive external ophthalmoplegia with mitochondrial DNA deletions, autosomal -PEOA2