2MJU

Solution structure of a C terminal fragment of the neuronal isoform of the polypyrimidine tract binding protein (nPTB)

SOLUTION NMR

NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	3D HNCA	1 mM [U-100% 13C; U-100% 15N] nPTB, 20 mM sodium chloride, 10 mM sodium phosphate	90% H2O/10% D2O	0.03	5.8	ambient	303
2	3D HN(CO)CA	1 mM [U-100% 13C; U-100% 15N] nPTB, 20 mM sodium chloride, 10 mM sodium phosphate	90% H2O/10% D2O	0.03	5.8	ambient	303
3	3D HNCACB	1 mM [U-100% 13C; U-100% 15N] nPTB, 20 mM sodium chloride, 10 mM sodium phosphate	90% H2O/10% D2O	0.03	5.8	ambient	303
4	3D CBCA(CO)NH	1 mM [U-100% 13C; U-100% 15N] nPTB, 20 mM sodium chloride, 10 mM sodium phosphate	90% H2O/10% D2O	0.03	5.8	ambient	303
5	3D HCCH-TOCSY	1 mM [U-100% 13C; U-100% 15N] nPTB, 20 mM sodium chloride, 10 mM sodium phosphate	90% H2O/10% D2O	0.03	5.8	ambient	303
6	3D 1H-15N NOESY	1 mM [U-100% 13C; U-100% 15N] nPTB, 20 mM sodium chloride, 10 mM sodium phosphate	90% H2O/10% D2O	0.03	5.8	ambient	303
7	3D 1H-13C NOESY aliphatic	1 mM [U-100% 13C; U-100% 15N] nPTB, 20 mM sodium chloride, 10 mM sodium phosphate	90% H2O/10% D2O	0.03	5.8	ambient	303
8	2D 1H-1H TOCSY	1 mM [U-100% 15N] nPTB, 20 mM sodium chloride, 10 mM sodium phosphate	100% D2O	0.03	5.8	ambient	303
9	2D 1H-1H NOESY	1 mM [U-100% 15N] nPTB, 20 mM sodium chloride, 10 mM sodium phosphate	100% D2O	0.03	5.8	ambient	303

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Bruker	DRX	600
2	Bruker	AVANCE	900

NMR Refinement
Method	Details	Software
simulated annealing		Amber

NMR Ensemble Information
Conformer Selection Criteria	structures with the lowest energy
Conformers Calculated Total Number	250
Conformers Submitted Total Number	20
Representative Model	1 (closest to the average)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	refinement	Amber	12	Case, Darden, Cheatham, III, Simmerling, Wang, Duke, Luo, ... and Kollman
2	structure calculation	CYANA	3.0	Guntert, Mumenthaler and Wuthrich
3	noe assignment	CYANA	3.0	Guntert, Mumenthaler and Wuthrich
4	processing	TopSpin	3.1	Bruker Biospin
5	chemical shift assignment	Sparky		Goddard

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 R01GM133198.