Table I.

Common glycan composition residues and corresponding abbreviations

Residue Type	Short Name	GlyConnect Notation	Byonic Notation	Condensed Notation
Monosaccharide	Hexose	Hex	Hex	H
Monosaccharide	N-Acetylhexosamine	HexNAc	HexNAc	N
Monosaccharide	Deoxyhexose	dHex	dHex	F
Monosaccharide	N-Acetylneuraminic acid	NeuAc	NeuAc	S
Monosaccharide	N-Glycolylneuraminic acid	NeuGc	NeuGc	G
Monosaccharide	Pentose	Pent	Pent	P
Monosaccharide	Hexuronic acid	HexA	HexA*	A
Monosaccharide	Ketodeoxyoctonic acid	Kdn	Kdn*	K
Monosaccharide	Ketodeoxynononic acid	Kdo	Kdn*	O
Substituent	Acetyl	Ac	Acetyl	a
Substituent	Methyl	Me	Me*	m
Substituent	Phosphate	Ph	Phospho	p
Substituent	Sulfate	Su	Sulfo	s

^*Based on the official documentation, these residues lacking from Byonic were replaced by those of the GlyConnect notation.