Spondyloepimetaphyseal Dysplasia with Joint Laxity, Type 1, with or Without Fractures, also known as semdjl1, is related to spondyloepimetaphyseal dysplasia and ehlers-danlos syndrome. An important gene associated with Spondyloepimetaphyseal Dysplasia with Joint Laxity, Type 1, with or Without Fractures is B3GALT6 (Beta-1,3-Galactosyltransferase 6), and among its related pathways/superpathways are Metabolism and Glycosaminoglycan metabolism. Affiliated tissues include bone and heart, and related phenotypes are carpal synostosis and prominent forehead