Rett Syndrome, also known as atypical rett syndrome, is related to developmental and epileptic encephalopathy 2 and chromosome 16p13.3 deletion syndrome, proximal, and has symptoms including back pain, cachexia and constipation. An important gene associated with Rett Syndrome is MECP2 (Methyl-CpG Binding Protein 2), and among its related pathways/superpathways are Neuroscience and Chromatin Regulation / Acetylation. The drugs Dopamine and Risperidone have been mentioned in the context of this disorder. Affiliated tissues include brain and eye, and related phenotypes are intellectual disability and seizure