6CQ6:
reference: K2P2.1 (TREK-1)-activator complexes reveal a cryptic selectivity filter binding site., Lolicato M, Arrigoni C, Mori T, Sekioka Y, Bryant C, Clark KA, Minor DL Jr, Nature. 2017 Jul 20;547(7663):364-368. doi: 10.1038/nature22988. Epub 2017 Jul, 10. PMID: 28693035

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