Table 2. NMR data for the sugar moiety of UDP-4-keto-6-deoxy-GlcNAc (W) and UDP-QuiNAc (Q).
Hydrated-UDP-4-keto-6-deoxy-GlcNAc (W) | UDP-QuiNAc (Q) | ||||
---|---|---|---|---|---|
1H | Chemical Shift (ppm) | Coupling Constant (Hz) | 1H | Chemical Shift (ppm) | Coupling Constant (Hz) |
H1” | 5.44 | J1,p (7.1) | H1” | 5.44 | J1,p (7.18) |
H2” | 4.11 | J1,2 (3.5) | H2” | 3.99 | J1,2 (3.6) |
H3” | 3.81 | J2,3 (10) | H3” | 3.74 | J2,3 (10) |
H4” | H4” | 3.25 | J3,4 (10) | ||
H5” | 4.11 | H5” | 3.99 | J4,5 (9.8) | |
H6” | 1.23 | J5,6 (6.2) | H6” | 1.29 | J5,6 (6.0) |
NAc-H” | 2.07 | NAc-H” | 2.06 |