Calcium-activated potassium channel subunit beta-4
同义词
BK channel subunit beta-4; BKbeta4; Calcium-activated potassium channel, subfamily M subunit beta-4; Charybdotoxin receptor subunit beta-4; Hbeta4; K(VCA)beta-4; Maxi K channel subunit beta-4; Slo-beta-4
氨基酸序列
>lcl|BSEQ0013100|Calcium-activated potassium channel subunit beta-4
MAKLRVAYEYTEAEDKSIRLGLFLIISGVVSLFIFGFCWLSPALQDLQATEANCTVLSVQ
QIGEVFECTFTCGADCRGTSQYPCVQVYVNNSESNSRALLHSDEHQLLTNPKCSYIPPCK
RENQKNLESVMNWQQYWKDEIGSQPFTCYFNQHQRPDDVLLHRTHDEIVLLHCFLWPLVT
FVVGVLIVVLTICAKSLAVKAEAMKKRKFS
一般功能
Potassium channel regulator activity
具体功能
Regulatory subunit of the calcium activated potassium KCNMA1 (maxiK) channel. Modulates the calcium sensitivity and gating kinetics of KCNMA1, thereby contributing to KCNMA1 channel diversity. Decreases the gating kinetics and calcium sensitivity of the KCNMA1 channel, but with fast deactivation kinetics. May decrease KCNMA1 channel openings at low calcium concentrations but increases channel openings at high calcium concentrations. Makes KCNMA1 channel resistant to 100 nM charybdotoxin (CTX) toxin concentrations.
基因序列
>lcl|BSEQ0013101|Calcium-activated potassium channel subunit beta-4 (KCNMB4)
ATGGCGAAGCTCCGGGTGGCTTACGAGTACACGGAAGCCGAGGACAAGAGCATCCGGCTC
GGCTTGTTTCTCATCATCTCCGGCGTCGTGTCGCTCTTCATCTTCGGCTTCTGCTGGCTG
AGTCCCGCGCTGCAGGATCTGCAAGCCACGGAGGCCAATTGCACGGTGCTGTCGGTGCAG
CAGATCGGCGAGGTGTTCGAGTGCACCTTCACCTGTGGCGCCGACTGCAGGGGCACCTCG
CAGTACCCCTGCGTCCAGGTCTACGTGAACAACTCTGAGTCCAACTCTAGGGCGCTGCTG
CACAGCGACGAGCACCAGCTCCTGACCAACCCCAAGTGCTCCTATATCCCTCCCTGTAAG
AGAGAAAATCAGAAGAATTTGGAAAGTGTCATGAATTGGCAACAGTACTGGAAAGATGAG
ATTGGTTCCCAGCCATTTACTTGCTATTTTAATCAACATCAAAGACCAGATGATGTGCTT
CTGCATCGCACTCATGATGAGATTGTCCTCCTGCATTGCTTCCTCTGGCCCCTGGTGACA
TTTGTGGTGGGCGTTCTCATTGTGGTCCTGACCATCTGTGCCAAGAGCTTGGCGGTCAAG
GCGGAAGCCATGAAGAAGCGCAAGTTCTCTTAA