1MNX

The Solution Structure of the Loop E Region of the 5S rRNA from Spinach Chloroplasts.

SOLUTION NMR

NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	(NOESY, HSQC for imino/amino assignments)	RNA molecule (1mM-2mM) in 50 mM NaCl, 2.5mM Cacodylate, 0.1mM EDTA, pH 6.0	H2O, D2O	50mM	6.0	1 atm	298
2	(NOESY, DQF-COSY, HSQC, NOESY-HMQC, HCcH COSY, etc. See paper for more details.)	RNA molecule (1mM-2mM) in 50 mM NaCl, 2.5mM Cacodylate, 0.1mM EDTA, pH 6.0	H2O, D2O	50mM	6.0	1 atm	278

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Varian	INOVA	500
2	Varian	UNITYPLUS	600
3	Varian	INOVA	800

NMR Refinement
Method	Details	Software
torsion angle dynamics, molecular dynamics	Distance, Dihedral, Planarity restraints were used in the first round, followed by dipolar couplings in the second round (See paper for details)	Felix

NMR Ensemble Information
Conformer Selection Criteria	structures with the least restraint violations,structures with the lowest energy
Conformers Calculated Total Number	65
Conformers Submitted Total Number	13
Representative Model	1 (minimized average structure)

Additional NMR Experimental Information
Details	This structure was determined using data obtained from homonuclear and heteronuclear experiments.

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	processing	Felix	95	MSI
2	refinement	CNS	1.0	Brunger, Adams, Clore, Delano, Gros, Grosse-Kunstleve, Jiang, Kuszewski, Nilges, Pannu, Read, Rice, Simonson, Warren
3	data analysis	Sparky	3.0	Goddard and Kneller

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.