Table 5.

Interaction energy for galactose-aromatic residue analog complexes for position-orientations observed in different structures of the same protein

		Average B-factor (Å2)
PDB ID	Resolution (Å)	Aromatic residue	Bound sugar	Interaction energy (kcal/mole)
S-lectin (sugar moiety in the binding site: galactose)
1SLT	1.9	23	23	0.7
1SLB	2.3	13	12	−0.7
Heat-labile enterotoxin (sugar moiety in the binding site: galactose)
1EEF	1.8	11	14	−1.0
1DJR	1.3	10	21	0.4
Cholera toxin (sugar moiety in the binding site: galactose)
1CT1	2.3	19	30	−1.7
3CHB	1.25	12	12	0.4
IG8Z	2.0	17	35	0.4
β1→4 glucan cellobiohydrolase (sugar moiety in the binding site: glucose)
1CEL	1.81	16	22	−1.1
7CEL	1.9	13	22	−1.3
Erythrina corallodendron lectin (sugar moiety in the binding site: galactose)
1LTE	2.0	15	39	−0.9
1AX1	1.95	23	30	−0.7
Lectin UEA-II (sugar moiety in the binding site: galactose)
1DZQ	2.85	36	61	−1.7
1QOT	3.0	32	53	−2.8
Peanut lectin (sugar moiety in the binding site: galactose)
1BZW	2.7	16	11	−0.9
1CR7	2.6	22	15	−0.8

The proteins have been crystallized under different conditions and/or with different ligands.