5TKF:
reference: Crystallization of a fungal lytic polysaccharide monooxygenase expressed from glycoengineered Pichia pastoris for X-ray and neutron diffraction., O'Dell WB, Swartz PD, Weiss KL, Meilleur F, Acta Crystallogr F Struct Biol Commun. 2017 Feb 1;73(Pt 2):70-78. doi:, 10.1107/S2053230X16020318. Epub 2017 Jan 19. PMID: 28177316

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