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. 2022 Jan 25;17(1):e0262854. doi: 10.1371/journal.pone.0262854

Fig 3. CS/ HS disaccharide composition analysis by HPLC.

Fig 3

(A) CS disaccharide composition analysis. Representative chromatogram of the standard (left panel), the digestion of SCE-UCBCs with Chase ACII (UCBC-1, middle panel), and that with Chase ABC (UCBC-2, right panel). ΔDi-0S, deoxy-α-L-threo-hex-4-enopyranosyluronic acid (ΔUA) (1→3) N-acetylgalactosamine (GalNAc); ΔDi-4S, ΔUA(1→3)GalNAc4S, where S is sulfo; ΔDi-6S, ΔUA (1→3) GalNAc6S; ΔDi-UA2S, ΔUA2S (1→3) GalNAc; ΔDi-di4,6S, ΔUA (1→3) GalNAc4S6S; ΔDi-di2,4S, ΔUA2S (1→3) GalNAc4S; ΔDi-di2,6S, ΔUA2S (1→3) GalNAc6S; ΔDi-triS, ΔUA2S (1→3) GalNAc4S6S. (B) HS disaccharide composition analysis. Representative chromatogram of the standard (left panel) and digestion of SCE-UCBCs with heparinases (UCBC-1, right panel). ΔDi-0S, ΔUA (1→4) N-acetylglucosamine (GlcNAc); ΔDi-NS, ΔUA (1→4) N-sulfated glucosamine (GlcNS); ΔDi-6S, ΔUA (1→4) GlcNAc6S; ΔDi-NS6S, ΔUA (1→4) GlcNS6S; ΔDi-NSUA2S, ΔUA2S (1→4) GlcNS; ΔDi-TriS, ΔUA2S (1→4) GlcNS6S.