Table 1. Number of LNB structures in the PDB surveyed by GlycoMapsDB.

	β-LNB	α-LNB
PDB entries†	74 (159)	6 (9)
Enzymes	8	0
Sugar-binding proteins and lectins
From human (galectins)	8	0
From fungi	2	1
From other eukaryotes‡	4	0
From bacteria	18	0
From viruses	33	4
Protein O-glycans§	1	1

^†Values in parentheses indicate the total number of occurrences including NCS copies.

^‡Lectins from a plant (G. simplicifolia) and a nematode (T. leonina), and an adhesin from a protist (T. gondii).

^§Apparent incorrectly modelled galacto-N-biose (Galβ1–3GalNAc) core structure.