1FOB:
reference: Aspergillus aculeatus beta-1,4-galactanase: substrate recognition and relations to other glycoside hydrolases in clan GH-A., Ryttersgaard C, Lo Leggio L, Coutinho PM, Henrissat B, Larsen S, Biochemistry 2002 Dec 24;41(51):15135-43. PMID: 12484750

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