Immunogen sequence: CWLSPALQDLQ ATEANCTVLS VQQIGEVFEC TFTCGADCRG TSQYPCVQV
Highest antigen sequence identity to the following orthologs - mouse 96%, rat 96%.
MaxiK channels are large conductance, voltage and calcium-sensitive potassium channels which are fundamental to the control of smooth muscle tone and neuronal excitability. MaxiK channels can be formed by 2 subunits: the pore-forming alpha subunit and the modulatory beta subunit. The protein encoded by this gene is an auxiliary beta subunit which slows activation kinetics, leads to steeper calcium sensitivity, and shifts the voltage range of current activation to more negative potentials than does the beta 1 subunit.
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Protein Aliases: beta member 4; big potassium channel beta subunit 4; BK channel beta subunit 4; BK channel subunit beta-4; BKbeta4; Calcium-activated potassium channel subunit beta-4; Calcium-activated potassium channel, subfamily M subunit beta-4; Charybdotoxin receptor subunit beta-4; hbeta4; K(VCA)beta-4; large conductance calcium-dependent potassium ion channel beta 4 subunit; Maxi K channel subunit beta-4; MaxiK channel beta-subunit 4; potassium channel subfamily M regulatory beta subunit 4; Potassium large conductance Calcium-activated channel; potassium large conductance calcium-activated channel, subfamily M, beta member 4; Slo-beta-4; subfamily M
Gene Aliases: KCNMB4
UniProt ID: (Human) Q86W47
Entrez Gene ID: (Human) 27345