7X8M

NMR Solution Structure of the 2:1 Berberine-KRAS-G4 Complex

SOLUTION NMR

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NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D 1H-1H NOESY	1.5 mM None KRAS_Pu24m1	90% H2O/10% D2O	50 mM	7.0	1 atm	298	Bruker AVANCE III 600
2	2D 1H-1H NOESY	1.5 mM None KRAS_Pu24m1	90% H2O/10% D2O	50 mM	7.0	1 atm	308	Bruker AVANCE III 600
4	2D DQF-COSY	1.5 mM None KRAS_Pu24m1	90% H2O/10% D2O	50 mM	7.0	1 atm	298	Bruker AVANCE III 600
5	2D 1H-13C HSQC	1.5 mM None KRAS_Pu24m1	90% H2O/10% D2O	50 mM	7.0	1 atm	298	Bruker AVANCE III 600
6	2D 1H-15N HSQC	1.5 mM None KRAS_Pu24m1	90% H2O/10% D2O	50 mM	7.0	1 atm	308	Bruker AVANCE III 600

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Bruker	AVANCE III	600

NMR Refinement
Method	Details	Software
molecular dynamics		Amber

NMR Ensemble Information
Conformer Selection Criteria	structures with the lowest energy
Conformers Calculated Total Number	100
Conformers Submitted Total Number	10
Representative Model	1 (lowest energy)

Computation: NMR Software
#	Classification	Version	Software Name	Author
2	collection	TopSpin		Bruker Biospin
4	peak picking	NMRFAM-SPARKY		Woonghee Lee
3	structure calculation	X-PLOR NIH		Schwieters, Kuszewski, Tjandra and Clore
5	structure calculation	Amber		Case, Darden, Cheatham III, Simmerling, Wang, Duke, Luo, ... and Kollman
6	refinement	Amber		Case, Darden, Cheatham III, Simmerling, Wang, Duke, Luo, ... and Kollman