Search Thermo Fisher Scientific
Search Thermo Fisher Scientific
Immunogen sequence: KREWETLHNF PKVSILPGTP LSRADLRAVN INLCDMCVIL SANQNNIDDT SLQDKECILA SLNIKSMQFD DSIGVLQANS QGFTPPGMDR SSPDNSPVHG MLRQPSITTG VNIPIITELV NDTNVQFLDQ DDDDDPDTEL YLTQPFACGT AFAVSVLDSL MSATYFNDNI LTLIRTLVTG GATPELEALI AEENALRGGY STPQTLANRD RCRVAQLALL DGPFADLGDG GCYGDLFCKA LKTYNMLCFG IYRLRDAHLS TPSQCTKRYV ITNPPYEFEL VPTDLIFCLM QFDHNAGQSR ASLSHSSHSS QSSSKKSSSV HSIPSTANRQ NRPKSRESRD KQKYVQEERL
Potassium channels are a group of ubiquitously expressed proteins that serve numerous functions in excitable and non-excitable cells. One class of integral membrane potassium channels is the large conductance, calcium-activated potassium channel (Maxi K+). Maxi K+ differs from most other potassium channels in that its activation is controlled by both increases in intracellular calcium and by membrane depolarization. Maxi K+ dual activation is possible because of its structure. The core of the channel, which is similar to other potassium channels, is a Maxi K+ alpha homotetramer that contains both a voltage sensor and an intracellular calcium binding domain. In vascular smooth muscle, an auxiliary beta-subunit is found in a 1:1 stoichiometry. The beta-subunit exhibits its effect on the Maxi K+ channel by effectively decreasing by 5- to 10- fold the concentration of calcium required to keep the pore open.
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Protein Aliases: big potassium channel alpha subunit; BK channel; BK channel alpha subunit; BKCA alpha; BKCA alpha subunit; calcium-activated potassium channel alpha subunit; Calcium-activated potassium channel subunit alpha-1; Calcium-activated potassium channel, subfamily M subunit alpha-1; K(VCA)alpha; KCa1.1; Maxi K channel; maxi-K channel HSLO; MaxiK; mSlo1; potassium channel, calcium activated large conductance subfamily M alpha, member 1; potassium large conductance calcium-activated channel, subfamily M, alpha member 1; Slo homolog; Slo-alpha; Slo1; Slowpoke homolog; stretch-activated Kca channel
Gene Aliases: 5730414M22Rik; bA205K10.1; BKCa; BKTM; hSlo; KCa1.1; KCNMA; KCNMA1; KCNMA1b; KCNMA1c; MaxiK; mSlo; mSLO1; SAKCA; SLO; SLO-ALPHA; SLO1
UniProt ID: (Human) Q12791, (Mouse) Q08460, (Rat) Q62976
Entrez Gene ID: (Human) 3778, (Mouse) 16531, (Rat) 83731
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