NCIt definition : Human FBN2 wild-type allele is located within 5q23-q31 and is approximately 401 kb
in length. This allele, which encodes fibrillin-2 protein, plays a role in the formation
of extracellular microfibrils and elastic fibers. Mutation of the gene is associated
with both congenital contractural arachnodactyly and early-onset macular degeneration.;