Table 1 Summary of samples and the number of assigned peaks

I

U-¹³C,¹⁵N

Intra-residue

1718

Sequential

285

Medium range (1 < |i-j | <5)

4

Long range (|i-j | ≥5)

3

Ambiguous

230

II

[1,6-¹³C-glucose], U-¹⁵N

Intra-residue

152

Sequential

21

Medium range (1 < |i-j | <5)

32

Long range (|i-j | ≥5)

63

Ambiguous

27

III

[2-¹³C-glucose], U-¹⁵N

Intra-residue

128

Sequential

16

Medium range (1 < |i-j | <5)

17

Long range (|i-j | ≥5)

76

Ambiguous

11

2783