Glucocorticoid Deficiency 2, also known as familial glucocorticoid deficiency 2, is related to glucocorticoid deficiency 3 and glucocorticoid deficiency 1. An important gene associated with Glucocorticoid Deficiency 2 is MRAP (Melanocortin 2 Receptor Accessory Protein). Affiliated tissues include adrenal cortex and cortex, and related phenotypes are recurrent hypoglycemia and hyperpigmentation of the skin