6E2F:
reference: Mechanism of calmodulin inactivation of the calcium-selective TRP channel TRPV6., Singh AK, McGoldrick LL, Twomey EC, Sobolevsky AI, Sci Adv. 2018 Aug 15;4(8):eaau6088. doi: 10.1126/sciadv.aau6088. eCollection 2018, Aug. PMID: 30116787

This OCA Structure page
uses Jmol, developed by the Jmol Development Team (documentation).