Hypomagnesemia, Seizures, and Impaired Intellectual Development 2, also known as homgsmr2, is related to charcot-marie-tooth disease, axonal, type 2dd and menkes disease. An important gene associated with Hypomagnesemia, Seizures, and Impaired Intellectual Development 2 is ATP1A1 (ATPase Na+/K+ Transporting Subunit Alpha 1). Affiliated tissues include kidney, and related phenotypes are seizure and global developmental delay