PPP3CA and arthrogryposis, cleft palate, craniosynostosis, and impaired intellectual development: Infantile or early childhood onset epileptic encephalopathy1 (IECEE1, OMIM#617711) and arthrogryposis, cleft palate, craniosynostosis, impaired intellectual development (ACCIID, OMIM#618265) are two autosomal dominant diseases caused by mutations in PPP3CA gene.