Hypocalcemia, Autosomal Dominant 2, also known as autosomal dominant hypocalcemia 2, is related to meningeal melanocytoma, and has symptoms including muscle cramp and carpopedal spasm. An important gene associated with Hypocalcemia, Autosomal Dominant 2 is GNA11 (G Protein Subunit Alpha 11), and among its related pathways/superpathways are Phospholipase-C Pathway and AMPK Enzyme Complex Pathway. Affiliated tissues include kidney, and related phenotypes are postnatal growth retardation and basal ganglia calcification