Table 1 The N-glycan encoding system [4].
Digit | Allowed values | Meaning |
|---|---|---|
1 | 3-6 | Number of mannose residues |
2 | 0 or 1 | Core fucose |
3 | 0 or 1 | Bisecting GlcNAc |
4 | 0-6 | Extension level of branch 1 |
5 | 0-6 | Extension level of branch 2 |
6 | 0-6 | Extension level of branch 3 |
7 | 0-6 | Extension level of branch 4 |
8 | 0-8 | Number of galactose residues |
9 | 0-4 | Number of N-acetylneuraminic acid residues |