Deafness, Autosomal Recessive 53, also known as dfnb53, is related to contractures, pterygia, and spondylocarpotarsal fusion syndrome 1a and otospondylomegaepiphyseal dysplasia, autosomal dominant. An important gene associated with Deafness, Autosomal Recessive 53 is COL11A2 (Collagen Type XI Alpha 2 Chain). Affiliated tissues include brain, and related phenotype is sensorineural hearing impairment.