This is the C-terminal domain found in the surface glycan-binding protein-B (SGBP-B) protein found in Bacteroides ovatus. SGBP-B is a cell-surface-localized, xyloglucan-specific binding protein. The C-terminal domain mediates xyloglucan binding. The domain display similarity to the C-terminal beta-sandwich domain of many GH13 enzyme [1].

1: Molecular Dissection of Xyloglucan Recognition in a Prominent Human Gut Symbiont. Tauzin AS, Kwiatkowski KJ, Orlovsky NI, Smith CJ, Creagh AL, Haynes CA, Wawrzak Z, Brumer H, Koropatkin NM; MBio. 2016;7:e02134-e02115. PMID:27118585