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Structure and NMR assignments of lantibiotic NAI-107 in DPC micelles
SOLUTION NMR
NMR Experiment
Experiment
Type
Sample Contents
Solvent
Ionic Strength
pH
Pressure
Temperature (K)
Spectrometer
1
2D 1H-1H TOCSY
3.5 mM entity_1, 150 mM [U-2H] dodecylphosphocholine-d38, 10 mM potassium phosphate, 0.02 mM 2,2,3,3-D TSP-d4
95% H2O/5% D2O
6.2
ambient
310.1
2
2D 1H-1H NOESY
3.5 mM entity_1, 150 mM [U-2H] dodecylphosphocholine-d38, 10 mM potassium phosphate, 0.02 mM 2,2,3,3-D TSP-d4
95% H2O/5% D2O
6.2
ambient
310.1
3
2D 1H-13C HSQC aliphatic
3.5 mM entity_1, 150 mM [U-2H] dodecylphosphocholine-d38, 10 mM potassium phosphate, 0.02 mM 2,2,3,3-D TSP-d4
95% H2O/5% D2O
6.2
ambient
310.1
4
2D 1H-13C HSQC aromatic
3.5 mM entity_1, 150 mM [U-2H] dodecylphosphocholine-d38, 10 mM potassium phosphate, 0.02 mM 2,2,3,3-D TSP-d4
95% H2O/5% D2O
6.2
ambient
310.1
NMR Spectrometer Information
Spectrometer
Manufacturer
Model
Field Strength
1
Bruker
AVIII
600
2
Bruker
AVANCE
900
3
Bruker
DRX
600
NMR Refinement
Method
Details
Software
molecular dynamics
Refinement was done in two steps: first in vacuo and then with explicit micelle/water system. The pseudo atoms labeled ANI are included in the constraint file. These define an alignment frame used in the structural interpretation of rdc data.