molecule of survival motor neuron protein, smn, 3d

survival motor neuron smn gene spinal muscular atrophy sma disorder carcinogen genes spiral medicine helix genetic biochemistry science damage biotechnology medical research dna molecular biology structure mutation illustration molecule disease werdnighoffmann dubowitz kugelbergwelander areflexia neuromuscular protein transcriptional regulation telomerase regeneration cellular trafficking deficiency splicing defect biochemical neuronal migration differentiation spacefill white background isolated