Table 1.
Chemical shifts (ppm) of free Man3 and CV-N-bound Man3
H1 | H2 | H3 | H4 | H5 | H6a, H6b | OMe | ||
---|---|---|---|---|---|---|---|---|
C1 | C2 | C3 | C4 | C5 | C6 | |||
Man′ | Free | 5.02 | 4.04 | 3.81 | 3.61 | 3.73 | 3.72, 3.87 | |
104.9 | 72.8 | 73.2 | 69.6 | 76.0 | 63.9 | |||
Bound | 4.63 | 4.31 | 3.53 | 3.47 | 3.77 | 3.62, 3.89 | ||
106.4 | 70.9 | 73.4 | 70.4 | 76.0 | 64.3 | |||
Δδa | −0.39 | 0.27 | −0.28 | −0.14 | 0.05 | −0.10, 0.02 | ||
1.5 | −1.9 | 0.2 | 0.8 | 0.0 | 0.4 | |||
| ||||||||
Man″ | Free | 5.26 | 4.08 | 3.93 | 3.65 | 3.73 | 3.72, 3.87 | |
103.3 | 81.2 | 72.8 | 69.8 | 76.0 | 63.9 | |||
Bound | 5.45 | 3.77 | 4.22 | 3.55 | 3.95 | 3.66, 3.90 | ||
103.5 | 83.6 | 73.7 | 71.6 | 74.4 | 64.5 | |||
Δδa | 0.19 | −0.31 | 0.29 | −0.11 | 0.23 | −0.06, 0.03 | ||
0.1 | 2.5 | 0.9 | 1.8 | −1.6 | 0.6 | |||
| ||||||||
Man | Free | 4.95 | 3.91 | 3.84 | 3.64 | 3.57 | 3.75, 3.87 | 3.37 |
102.0 | 81.4 | 73.0 | 69.9 | 75.3 | 63.8 | 57.6 | ||
Bound | 5.17 | 3.81 | 3.84 | 3.58 | 3.50 | 3.45, 3.70 | 3.42 | |
101.0 | 84.0 | 72.8 | 71.7 | 75.2 | 64.9 | 57.7 | ||
Δδa | 0.22 | −0.09 | 0.01 | −0.06 | −0.07 | −0.30, −0.17 | 0.05 | |
−1.0 | 2.6 | −0.2 | 1.8 | −0.1 | 1.2 | 0.1 |
Δδ = δbound − δfree