Experiment: 7RSE

SOLUTION NMR

NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D 1H-13C TROSY	80 uM ILV 13C-methyl; Lys 15N-amide KRAS4B	90% H2O/10% D2O	100 mM	7.4	1 atm	288	Bruker AVANCE III 800
2	2D 1H-15N HSQC	80 uM ILV 13C-methyl; Lys 15N-amide KRAS4B	90% H2O/10% D2O	100 mM	7.4	1 atm	288	Bruker AVANCE III 800

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Bruker	AVANCE III	800

NMR Refinement
Method	Details	Software
simulated annealing	PDB entry 4DSO was refined and then used the build the model for GTPase KRas.	HADDOCK

NMR Ensemble Information
Conformer Selection Criteria	structures with the lowest energy
Conformers Calculated Total Number	1000
Conformers Submitted Total Number	20
Representative Model	1 (lowest energy)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	collection	TopSpin		Bruker Biospin
2	processing	NMRPipe		Delaglio, Grzesiek, Vuister, Zhu, Pfeifer and Bax
3	data analysis	NMRView		Johnson, One Moon Scientific
4	refinement	HADDOCK		Bonvin
5	structure calculation	HADDOCK		Bonvin

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.