Ready-to-use ELISA kits are available for the detection of BK Channel, an alias of the protein, potassium calcium-activated channel subfamily M alpha 1. The official gene symbol is KCNMA1. The protein, with a mass of 137.6 kDa and length of 1236 residues, is reported to be membrane-associated. It is a member of the Potassium channel family, Calcium-activated (TC 1.A.1.3) subfamily, KCa1.1/KCNMA1 sub-subfamily and may be known by other names, including: k(VCA)alpha, calcium-activated potassium channel subfamily M subunit alpha-1, BKCA alpha subunit, BK channel alpha subunit, uncharacterized protein, and potassium channel calcium activated large conductance subfamily M alpha member 1.