Non-Syndromic X-Linked Intellectual Disability 91, also known as mrx91, is related to intellectual developmental disorder, x-linked 91 and inflammatory bowel disease 22. An important gene associated with Non-Syndromic X-Linked Intellectual Disability 91 is ZDHHC15 (Zinc Finger DHHC-Type Palmitoyltransferase 15), and among its related pathways/superpathways is Protein-protein interactions at synapses. Related phenotype is nervous system.