Mutations in this protein are associated with the X-linked spondyloepiphyseal dysplasia tarda syndrome (OMIM:313400) [1]. This family represents an N-terminal conserved region.

1: The molecular basis of X-linked spondyloepiphyseal dysplasia tarda. Gedeon AK, Tiller GE, Le Merrer M, Heuertz S, Tranebjaerg L, Chitayat D, Robertson S, Glass IA, Savarirayan R, Cole WG, Rimoin DL, Kousseff BG, Ohashi H, Zabel B, Munnich A, Gecz J, Mulley JC; Am J Hum Genet 2001;68:1386-1397. PMID:11349230