6S20:
reference: Metabolism of multiple glycosaminoglycans by Bacteroides thetaiotaomicron is orchestrated by a versatile core genetic locus., Ndeh D, Basle A, Strahl H, Yates EA, McClurgg UL, Henrissat B, Terrapon N, Cartmell A, Nat Commun. 2020 Jan 31;11(1):646. doi: 10.1038/s41467-020-14509-4. PMID: 32005816

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