2KQ4

Atomic resolution protein structure determination by three-dimensional transferred echo double resonance solid-state nuclear magnetic resonance spectroscopy

SOLID-STATE NMR

NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	3D TEDOR	30 mg 1,3-13C glycerol, U 15N entity-1, 50 v/v MPTG-2	solid			ambient
2	3D TEDOR	30 mg 2-13C glycerol, U 15N entity-3, 50 v/v MPTG-4	solid			ambient

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Varian	Infinity Plus	500

NMR Refinement
Method	Details	Software
DGSA-distance geometry simulated annealing, simulated annealing	DG sub-embed was used from initial extend geometry, Two steps of simulated annealing	X-PLOR NIH

NMR Ensemble Information
Conformer Selection Criteria	structures with the lowest energy
Conformers Calculated Total Number	250
Conformers Submitted Total Number	10
Representative Model	4 (lowest energy)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	refinement	X-PLOR NIH	2.21	Schwieters, Kuszewski, Tjandra and Clore
2	peak picking	Sparky		Goddard
3	data analysis	NMRPipe		Delaglio, Grzesiek, Vuister, Zhu, Pfeifer and Bax
4	processing	NMRPipe		Delaglio, Grzesiek, Vuister, Zhu, Pfeifer and Bax

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.