2KVJ | pdb_00002kvj

NMR and MD solution structure of a Gamma-Methylated PNA duplex

SOLUTION NMR

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NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D 1H-1H NOESY	[dsPNA]=0.4 mM Peptide Nucleic Acid-1	10 mM sodium phosphate buffer	17.6	7	ambient	300
2	2D 1H-1H COSY	[dsPNA]=0.4 mM Peptide Nucleic Acid-1	10 mM sodium phosphate buffer	17.6	7	ambient	300

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Bruker	AVANCE	500

NMR Refinement
Method	Details	Software
simulated annealing, molecular dynamics	2 ns restrained MD	Amber

NMR Ensemble Information
Conformer Selection Criteria	model 1 is the average of 10 NMR-determined structures
Conformers Calculated Total Number	11
Conformers Submitted Total Number	11
Representative Model	1 (minimized average structure)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	structure solution	Amber	10	Case, Darden, Cheatham, III, Simmerling, Wang, Duke, Luo, Kollm
2	refinement	Amber	10	Case, Darden, Cheatham, III, Simmerling, Wang, Duke, Luo, Kollm