. Author manuscript; available in PMC: 2008 Nov 3.

Published in final edited form as: Glycobiology. 2006 Feb 17;16(6):502–513. doi: 10.1093/glycob/cwj093

Table III.

Tandem mass spectrometric signature ions for CS/DS Δdp4 and Δdp6 oligosaccharides.

	Ion	Composition	Calcd m/z	Obsvd m/z
Δdp4	[M-2H]^2-	C₂₈H₄₀N₂O₂₈S₂	458.06	458.05
	Y₁^1-	C₈H₁₄NO₉S	300.04	300.06
	B₃^1-	C₂₀H₂₆NO₁₉S	616.08	616.04
	^0,2X₃^2-	C₂₄H₃₆O₂₄N₂S₂	400.05	400.06
	Y₃^2-	C₂₂H₃₅O₂₃N₂S₂	379.05	379.06
	C₃^2-	C20H₂₇O₂₀NS	316.54	316.57
	[M-SO₃-2H]^2-	C₂₈H₄₀O₂₅N₂S	418.08	418.09

Δdp6	[M-3H]^3-	C₄₂H₆₀N₃O₄₂S₃	458.06	458.05
	Y₁^1-	C₈H₁₄NO₉S	300.04	300.05
	B₅^2-	C₃₄H₄₆N₂O₃₃S₂	537.07	537.06
	^0,2X₅^3-	C₃₈H₅₆N₃O₃₈S₃	419.39	419.39
	Y₅^3-	C₃₆H₅₄N₃O₃₇S₃	405.38	405.39
	C₅^2-	C₃₄H₄₈N₂O₃₄S₂	546.08	546.03
	[M-SO₃-3H]^3-	C₄₂H₆₀N₃O₃₉S₂	431.41	431.41