2YBI:
reference: Effective scavenging at cryotemperatures: further increasing the dose tolerance of protein crystals., De la Mora E, Carmichael I, Garman EF, J Synchrotron Radiat. 2011 May;18(Pt 3):346-57. Epub 2011 Apr 1. PMID: 21525642

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