5J18

Solution structure of Ras Binding Domain (RBD) of B-Raf complexed with Rigosertib (Complex I)

SOLUTION NMR

NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D 1H-15N HSQC	200 uM [U-99% 13C; U-99% 15N] B-RAF-RBD:Rigosertib Complex I	90% H2O/10% D2O	200 mM	7.4	1 atm	298	Bruker Avance 800
2	2D 1H-13C HSQC	200 uM [U-99% 13C; U-99% 15N] B-RAF-RBD:Rigosertib Complex I	90% H2O/10% D2O	200 mM	7.4	1 atm	298	Bruker Avance 800
3	3D 1H-15N NOESY	200 uM [U-99% 13C; U-99% 15N] B-RAF-RBD:Rigosertib Complex I	90% H2O/10% D2O	200 mM	7.4	1 atm	298	Bruker Avance 900
4	3D 1H-13C NOESY aliphatic	200 uM [U-99% 13C; U-99% 15N] B-RAF-RBD:Rigosertib Complex I	90% H2O/10% D2O	200 mM	7.4	1 atm	298	Bruker Avance 900
5	3D 1H-13C NOESY aromatic	200 uM [U-99% 13C; U-99% 15N] B-RAF-RBD:Rigosertib Complex I	90% H2O/10% D2O	200 mM	7.4	1 atm	298	Bruker Avance 900

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Bruker	Avance	800
2	Bruker	Avance	900

NMR Refinement
Method	Details	Software
DGSA-distance geometry simulated annealing		ARIA

NMR Ensemble Information
Conformer Selection Criteria	structures with the least restraint violations
Conformers Calculated Total Number	1024
Conformers Submitted Total Number	10
Representative Model	1 (lowest energy)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	refinement	ARIA		Linge, O'Donoghue and Nilges
2	structure calculation	ARIA		Linge, O'Donoghue and Nilges
3	chemical shift assignment	NMRView		Johnson, One Moon Scientific
4	peak picking	NMRView		Johnson, One Moon Scientific

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM133198.