Sarah Leigh changed review comment from: Comment when marking as ready: Associated with Cutis laxa, autosomal recessive, type IIIA (219150) in OMIM, not in G2P / DD. At least 6 homozygous variants reported. Hyperammonaemia only reported in two siblings (PMID 24767728); to: Comment when marking as ready: Associated with Cutis laxa, autosomal recessive, type IIIA (219150) in OMIM, not in G2P / DD. At least 6 homozygous variants reported. Hyperammonaemia only reported in two siblings (PMID 11092761;24767728)