The horizontal axis is ordered with increasing hydrophobicity to the right,71 while the vertical axis shows the ratio between the occurrence of a given amino acid within 4 Å of a noncovalently bound glycan compared to the frequency in the UniProt database. Reproduced from Hudson, K. L.; Bartlett, G. J.; Diehl, R. C.; Agirre, J.; Gallagher, T.; Kiessling, L. L.; Woolfson, D. N., Carbohydrate-Aromatic Interactions in Proteins. J. Am. Chem. Soc.
2015, 137, 15152-15160. Copyright 2015 American Chemical Society.