Intellectual Disability-Obesity-Brain Malformations-Facial Dysmorphism Syndrome, is also known as autosomal recessive intellectual disability due to trappc9 deficiency. An important gene associated with Intellectual Disability-Obesity-Brain Malformations-Facial Dysmorphism Syndrome is TRAPPC9 (Trafficking Protein Particle Complex Subunit 9). Affiliated tissues include brain, and related phenotypes are hypotonia and global developmental delay