Arazi, Eden published the artcileA regulatory domain in the K2P2.1 (TREK-1) carboxyl-terminal allows for channel activation by monoterpenes, Computed Properties of 41270-96-6, the publication is Molecular and Cellular Neuroscience (2020), 103496, database is CAplus and MEDLINE.
Potassium K2P (leak) channels conduct current across the entire physiol. voltage range and carry leak or background currents that are, in part, time- and voltage-independent. K2P2.1 channels (i.e., TREK-1, KCNK2) are highly expressed in excitable tissues, where they play a key role in the cellular mechanisms of neuroprotection, anesthesia, pain perception, and depression. Here, we report for the first time that human K2P2.1 channel activity is regulated by monoterpenes (MTs). We found that cyclic, aromatic monoterpenes containing a phenol moiety, such as carvacrol, thymol and 4-IPP had the most profound effect on current flowing through the channel (up to a 6-fold increase). By performing sequential truncation of the carboxyl-terminal domain of the channel and testing the activity of several channel regulators, we identified two distinct regulatory domains within this portion of the protein. One domain, as previously reported, was needed for regulation by arachidonic acid, anionic phospholipids, and temperature changes. Within a second domain, a triple arginine residue motif (R344-346), an apparent PIP2-binding site, was found to be essential for regulation by holding potential changes and important for regulation by monoterpenes.
Molecular and Cellular Neuroscience published new progress about 41270-96-6. 41270-96-6 belongs to iodides-buliding-blocks, auxiliary class Pyrimidine,Iodide,Benzene,Immunology/Inflammation,MIF, name is 4-Iodo-6-phenylpyrimidine, and the molecular formula is C10H7IN2, Computed Properties of 41270-96-6.
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