Steel syndrome is an autosomal recessive disease characterized by short stature, dysmorphic features, hip dislocations, radial head dislocations, carpal coalition, cavus feet, and scoliosis. It has been reported mutations in COL27A1 are responsible for Steel syndrome. COL27A1 encodes the pro-alpha chain of fibrillar collagen type XXVII. It has been suggested that COL27A1 may play an important role during cartilage mineralization.
