Congenital Disorder of Deglycosylation

**Semantic type:** Disease or Syndrome

**Definition:** A rare autosomal recessive inherited disorder caused by mutations in the NGLY1 gene. It is characterized by developmental delay, hypotonia, abnormal involuntary movements, poor tear production, microcephaly, intractable seizures, abnormal eye movements, and liver abnormalities.

**Synonyms:** - CDDG