2KE5

Solution structure and dynamics of the small GTPase Ralb in its active conformation: significance for effector protein binding

SOLUTION NMR

NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D 1H-15N HSQC	0.6 mM [U-99% 15N] RalB-1, 0.6 mM PHOSPHOAMINOPHOSPHONIC ACID-GUANYLATE ESTER-2, 1 mM Magnesium chloride-3, 50 mM sodium phosphate-4, 100 mM sodium chloride-5, 0.05 % sodium azide-6	90% H2O/10% D2O	0.15	7.6	ambient	298
2	2D 1H-13C HSQC	0.6 mM [U-99% 13C; U-99% 15N] RalB-7, 0.6 mM PHOSPHOAMINOPHOSPHONIC ACID-GUANYLATE ESTER-8, 1 mM Magnesium chloride-9, 50 mM sodium phosphate-10, 100 mM sodium chloride-11, 0.05 % sodium azide-12	90% H2O/10% D2O	0.15	7.6	ambient	298
3	2D 1H-1H NOESY	0.6 mM RalB-13, 0.6 mM PHOSPHOAMINOPHOSPHONIC ACID-GUANYLATE ESTER-14, 1 mM Magnesium chloride-15, 50 mM sodium phosphate-16, 100 mM sodium chloride-17, 0.05 % sodium azide-18	90% H2O/10% D2O	0.15	7.6	ambient	298
4	3D CBCA(CO)NH	0.6 mM [U-99% 13C; U-99% 15N] RalB-7, 0.6 mM PHOSPHOAMINOPHOSPHONIC ACID-GUANYLATE ESTER-8, 1 mM Magnesium chloride-9, 50 mM sodium phosphate-10, 100 mM sodium chloride-11, 0.05 % sodium azide-12	90% H2O/10% D2O	0.15	7.6	ambient	298
5	3D HNCO	0.6 mM [U-99% 13C; U-99% 15N] RalB-7, 0.6 mM PHOSPHOAMINOPHOSPHONIC ACID-GUANYLATE ESTER-8, 1 mM Magnesium chloride-9, 50 mM sodium phosphate-10, 100 mM sodium chloride-11, 0.05 % sodium azide-12	90% H2O/10% D2O	0.15	7.6	ambient	298
6	3D HNCA	0.6 mM [U-99% 13C; U-99% 15N] RalB-7, 0.6 mM PHOSPHOAMINOPHOSPHONIC ACID-GUANYLATE ESTER-8, 1 mM Magnesium chloride-9, 50 mM sodium phosphate-10, 100 mM sodium chloride-11, 0.05 % sodium azide-12	90% H2O/10% D2O	0.15	7.6	ambient	298
7	3D HNCACB	0.6 mM [U-99% 13C; U-99% 15N] RalB-7, 0.6 mM PHOSPHOAMINOPHOSPHONIC ACID-GUANYLATE ESTER-8, 1 mM Magnesium chloride-9, 50 mM sodium phosphate-10, 100 mM sodium chloride-11, 0.05 % sodium azide-12	90% H2O/10% D2O	0.15	7.6	ambient	298
8	3D HBHA(CO)NH	0.6 mM [U-99% 13C; U-99% 15N] RalB-7, 0.6 mM PHOSPHOAMINOPHOSPHONIC ACID-GUANYLATE ESTER-8, 1 mM Magnesium chloride-9, 50 mM sodium phosphate-10, 100 mM sodium chloride-11, 0.05 % sodium azide-12	90% H2O/10% D2O	0.15	7.6	ambient	298
9	3D HN(CO)CA	0.6 mM [U-99% 13C; U-99% 15N] RalB-7, 0.6 mM PHOSPHOAMINOPHOSPHONIC ACID-GUANYLATE ESTER-8, 1 mM Magnesium chloride-9, 50 mM sodium phosphate-10, 100 mM sodium chloride-11, 0.05 % sodium azide-12	90% H2O/10% D2O	0.15	7.6	ambient	298
10	3D HCCH-TOCSY	0.6 mM [U-99% 13C; U-99% 15N] RalB-7, 0.6 mM PHOSPHOAMINOPHOSPHONIC ACID-GUANYLATE ESTER-8, 1 mM Magnesium chloride-9, 50 mM sodium phosphate-10, 100 mM sodium chloride-11, 0.05 % sodium azide-12	90% H2O/10% D2O	0.15	7.6	ambient	298
11	3D 1H-15N NOESY	0.6 mM [U-99% 15N] RalB-1, 0.6 mM PHOSPHOAMINOPHOSPHONIC ACID-GUANYLATE ESTER-2, 1 mM Magnesium chloride-3, 50 mM sodium phosphate-4, 100 mM sodium chloride-5, 0.05 % sodium azide-6	90% H2O/10% D2O	0.15	7.6	ambient	298
12	3D 1H-15N TOCSY	0.6 mM [U-99% 15N] RalB-1, 0.6 mM PHOSPHOAMINOPHOSPHONIC ACID-GUANYLATE ESTER-2, 1 mM Magnesium chloride-3, 50 mM sodium phosphate-4, 100 mM sodium chloride-5, 0.05 % sodium azide-6	90% H2O/10% D2O	0.15	7.6	ambient	298
13	3D 1H-13C NOESY	0.6 mM [U-99% 13C; U-99% 15N] RalB-7, 0.6 mM PHOSPHOAMINOPHOSPHONIC ACID-GUANYLATE ESTER-8, 1 mM Magnesium chloride-9, 50 mM sodium phosphate-10, 100 mM sodium chloride-11, 0.05 % sodium azide-12	90% H2O/10% D2O	0.15	7.6	ambient	298

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Bruker	DRX	500
2	Bruker	DRX	800

NMR Refinement
Method	Details	Software
simulated annealing		Azara

NMR Ensemble Information
Conformer Selection Criteria	structures with the lowest energy
Conformers Calculated Total Number	100
Conformers Submitted Total Number	50
Representative Model	1 (closest to the average)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	processing	Azara	2.7	Boucher
2	chemical shift assignment	Analysis	1	CCPN
3	ambiguous noe assignment	ARIA	1.2	Linge, O'Donoghue and Nilges
4	structural calculation	CNS	1.1	Brunger, Adams, Clore, Gros, Nilges and Read
5	refinement	CNS	1.1	Brunger, Adams, Clore, Gros, Nilges and Read

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), 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 R01GM157729.