Acknowledgements

This work has been supported by National Bioscience Database Center (NBDC) of Japan Science and Technology Agency (JST).

WURCS-WG acknowledges the use of the following databases.
GlyTouCan: https://glytoucan.org
GlycomeDB: http://www.glycome-db.org
UnicarbKB: http://www.unicarbkb.org/
CarbBank: University of Georgia