NCIt definition : Human SGCB wild-type allele is located in the vicinity of 4q12 and is approximately
18 kb in length. This allele, which encodes beta-sarcoglycan protein, plays a role
in the stablilization of muscle fiber membranes. Mutations in the gene are associated
with autosomal recessive limb-girdle muscular dystrophy-4 (limb-girdle muscular dystrophy
type 2E).;