4HP0:
reference: A novel transition-state analogue for lysozyme, 4-O-beta-tri-N-acetylchitotriosyl moranoline, provided evidence supporting the covalent glycosyl-enzyme intermediate., Ogata M, Umemoto N, Ohnuma T, Numata T, Suzuki A, Usui T, Fukamizo T, J Biol Chem. 2013 Mar 1;288(9):6072-82. doi: 10.1074/jbc.M112.439281. Epub 2013, Jan 9. PMID: 23303182

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