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. 2011 Sep 16;6(9):e23309. doi: 10.1371/journal.pone.0023309

Table 1. Summary of glycosphingolipid structures identified by NMR in the 4–6 sugar region of fractions C:tetra-I, C:tetra-II, and C:hexa in chicken erythrocytes (the identity of the anomeric and other ring proton resonances are given in the NMR spectra shown in Figs. 4 and 5).

Structure Trivial name VI V IV III II* I*
A Globoside GalNAcß3 Galα4 Galß4 Glcß1 Cer
H1 4.509 4.796 4.244 4.165
H2 3.75 3.76 3.43 3.03
H3 3.48
B GalNAcα3 GalNAcß3 Galß4 Glcß1 Cer
H1 4.699 4.594
H2 4.10 3.95
H3 3.55 3.44
C GalNAcα3 GalNAcß3 Galα4 Galß1 Cer
H1 ∼4.70 4.524 4.827 4.077
H2 4.03 3.75 3.29
H3 3.48
D Forssman pentaglycosylceramide GalNAcα3 GalNAcß3 Galα4 Galß4 Glcß1 Cer
H1 4.692 4.511 4.781 4.254 4.195
H2 4.10 4.03 3.76 3.29 3.02
H3 3.55 3.48
E Extended x2 GalNAcα3 GalNAcß3 Galß4 GlcNAcß3 Galß4 Glcß1 Cer
H1 4.70 4.596 ∼4.26 4.65 ∼4.26

*Chemical shift values are in some cases not given due to low intensities and severe resonance overlap.