5FLW:
reference: Crystal structure of a putative exo-beta-1,3-galactanase from Bifidobacterium bifidum S17., Godoy AS, de Lima MZ, Camilo CM, Polikarpov I, Acta Crystallogr F Struct Biol Commun. 2016 Apr;72(Pt 4):288-93. doi:, 10.1107/S2053230X16003617. Epub 2016 Mar 16. PMID: 27050262

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