1KSQ

NMR Study of the Third TB Domain from Latent Transforming Growth Factor-beta Binding Protein-1

SOLUTION NMR

NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	3D_15N-separated_NOESY	1.7 mM [U-15N] TB3-LTBP-1	90% H2O/10% D2O		5.0	ambient	303
2	2D NOESY	1.2 mM [U-15N] TB3-LTBP-1	99.9% D2O		5.0	ambient	303
3	HMQC-J	1.7 mM [U-15N] TB3-LTBP-1	90% H2O/10% D2O		5.0	ambient	303

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	GE	OMEGA	600
2	GE	OMEGA	750

NMR Refinement
Method	Details	Software
simulated annealing	The structures are based on a total of 1676 restraints, 1610 NOE-derived distance constraints, 36 distance restraints for 18 hydrogen bonds, and 30 dihedral angle phi restraints.	X-PLOR

NMR Ensemble Information
Conformer Selection Criteria	target function
Conformers Calculated Total Number	100
Conformers Submitted Total Number	20
Representative Model	1 (lowest energy)

Additional NMR Experimental Information
Details	3D NOESY mixing time 150ms 2D NOESY mixing time 90ms

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	structure calculation	X-PLOR	3.851	Brunger
2	data analysis	NMRView	3.1.2	Johnson, One Moon Scientific
3	data analysis	Felix	2.30	Accelrys Software Inc.
4	refinement	X-PLOR	3.10	Brunger

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.