KCa3.1 is part of the Ca2+ activated K+ channels family that share the characteristic of being activated by intracellular Ca2+. The channel has an intermediate conductance, is voltage insensitive and is activated by Ca2+ in the submicromolar range. The channel has a similar topology to that of KV channels, that is six transmembrane domains and intracellular N- and C-termini. KCa3.1 is widely expressed in epithelial, endothelial and cells of hematopoietic origin. In erythrocytes (red blood cells) it has been identified as the molecular correlate of the so-called Gardos channel. nThe functional role of the channel is to set the cell membrane potential at negative values so as to aid in the electrochemical transport of other ions such as Cl- and Ca2+. Indeed, KCa3.1 has a key role in sustaining the Ca2+ influx in activated T lymphocytes and in regulating Cl- secretion from colon epithelium. Therefore, specific blockers of the KCa3.1 channel have been proposed for the treatment of several diseases including autoimmune diseases, secretory diarrhea and sickle cell anemia.
应用类型
经验证，该抗体可应用于IC、IFC、IH、LCI、WB等实验应用，也可用于 IP等实验。
免疫原
KCa3.1 (SK4) (胞外) 抗体的免疫原肽段为合成mapping to the 第三胞外 环。人类氨基酸残基KCa3。1 (Accession编号为O15554)
