Ready-to-use ELISA kits are available for the detection of Beta Endorphin, an alias of the protein, proopiomelanocortin. The official gene symbol is POMC. The protein, with a mass of 29.4 kDa and length of 267 residues, is reported to be secreted. It is a member of the POMC family and may be known by other names, including: beta-MSH, beta-LPH, alpha-MSH, adrenocorticotropin, adrenocorticotropic hormone, and pro-opiomelanocortin, and beta-melanocyte-stimulating hormone.