Biochemistry, Genetics and Molecular Biology(all), Chromosome Mapping, RNA-Binding Proteins, Nerve Tissue Proteins, SMN Complex Proteins, Exons, Spinal Muscular Atrophies of Childhood, Neuronal Apoptosis-Inhibitory Protein, Multigene Family, Mutation, Chromosomes, Human, Pair 5, Humans, Cyclic AMP Response Element-Binding Protein, Chromosomes, Artificial, Yeast, Gene Deletion, Pseudogenes, Repetitive Sequences, Nucleic Acid