5XC8:
reference: High-resolution crystal structures of the glycoside hydrolase family 45 endoglucanase EG27II from the snail Ampullaria crossean., Nomura T, Iwase H, Saka N, Takahashi N, Mikami B, Mizutani K, Acta Crystallogr D Struct Biol. 2019 Apr 1;75(Pt 4):426-436. doi:, 10.1107/S2059798319003000. Epub 2019 Apr 4. PMID: 30988259

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