6D7V:
reference: Structural bases of TRP channel TRPV6 allosteric modulation by 2-APB., Singh AK, Saotome K, McGoldrick LL, Sobolevsky AI, Nat Commun. 2018 Jun 25;9(1):2465. doi: 10.1038/s41467-018-04828-y. PMID: 29941865

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