Immunoblot against crude membranes from adult rat brain (RBM), wild-type (MBM-WT) and BKAlpha knockout (MBM- BKaKO) mouse brains probed with L6/23 (left), L6/60 (middle) or N52A/42 (right) TC supe. Reproduced from PLoS One (2010 Wersinger et al, PMID 21079807).
Calcium-activated potassium channel subunit alpha-1, Potassium Calcium-Activated Channel Subfamily M Alpha 1 or Slo1/BKalpha is encoded by the gene KCNMA1. BKalpha binds to one of 4 different beta subunits to form a channel in the calcium activated large conductance (MaxiK channel) family. This potassium channel is activated by membrane depolarization or an increase in cytosolic ca2+ and mediated the export of K+. BKalpha is involved with various cell processes including contraction of smooth muscle, regulation of transmitter release, innate immunity and regulation of membrane potential. Diseases associated with KCNMA1 include forms of Epilepsy and Developmental Delay Cerebellar Atrophy and Seizures.
ICC, IHC, IP, WB
Fusion protein amino acids 690-1196 (cytoplasmic C-terminus) of mouse Slo1 (also known as Calcium-activated potassium channel subunit alpha-1, Calcium-activated potassium channel, subfamily M subunit alpha-1, KCa1.1, K(VCA)alpha, BK channel, BKCA alpha, Maxi K channel, Slo-alpha, Slowpoke homolog, Kcnma1 and Kcnma, accession number Q08460); Rat: 99% identity (448/450 amino acids identical); Human: 98% identity (446/454 amino acids identical)
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