6K8I:
reference: Structural insights into BIC-mediated inactivation of Arabidopsis cryptochrome 2., Ma L, Wang X, Guan Z, Wang L, Wang Y, Zheng L, Gong Z, Shen C, Wang J, Zhang D, Liu Z, Yin P, Nat Struct Mol Biol. 2020 May;27(5):472-479. doi: 10.1038/s41594-020-0410-z. Epub, 2020 May 11. PMID: 32398826

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