1AHC:
reference: The N-glycosidase mechanism of ribosome-inactivating proteins implied by crystal structures of alpha-momorcharin., Ren J, Wang Y, Dong Y, Stuart DI, Structure 1994 Jan 15;2(1):7-16. PMID: 8075985

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