2A2Y

NMR Structue of Sso10b2 from Sulfolobus solfataricus

SOLUTION NMR

NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	3D_15N-separated_NOESY	1 mM Sso10b2, U-15N, U-13C, pH 4.8, 90% H2O, 10% D2O	90% H2O/10% D2O	0	4.8	1 atm	303
2	3D_13C-separated_NOESY	1 mM Sso10b2, U-15N, U-13C, pH 4.8	99.996% D2O	0	4.8	1 atm	303
3	HNHA	1 mM Sso10b2, U-15N, U-13C, pH 4.8, 90% H2O, 10% D2O	90% H2O/10% D2O	0	4.8	1 atm	303
4	T1_T1rho_HSQC	1 mM Sso10b2, U-15N, pH 4.8, 90% H2O, 10% D2O	90% H2O/10% D2O	0	4.8	1 atm	303
5	2D_1H-15N_NOE	1 mM Sso10b2, U-15N, pH 4.8, 90% H2O, 10% D2O	90% H2O/10% D2O	0	4.8	1 atm	303
6	12C-filtered_C13-edited_NOESY	hetero-labeled dimer consisting of 0.5 mM Sso10b2 U-15N, U-13C, 0.5 mM Sso10b2 unlabled pH 5.0	99.996% D2O	0	4.8	1 atm	303
7	IPAP_HSQC	1 mM Sso10b2, U-15N, pH 4.8, 90% H2O, 10% D2O with alignment media consisting of 5% C12E5/hexanol (r=.87)	90% H2O, 10%D2O with alignment media consisting of 5% C12E5/hexanol (r=.87)	0	4.8	1 atm	303

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

NMR Refinement
Method	Details	Software
Simulated annealing using cartesian and torsion angle dynamics.	NOE assignments, distance restraint calibrations, and initial structures were made using ARIA 1.2. Final structure refinement was done using Xplor-NIH with the NOE derived distance restraints, 126 phi/psi dihedral angles, 48 HNHA coupling constants, 33 hydrogen bonds, 80 dipolar couplings, 57 T1/T2 relaxation ratios, and non-crystallographic dimer symmetry restraints (numbers are per monomer). Anisotropy tensors were refined simultaneously with the structure.	VNMR

NMR Ensemble Information
Conformer Selection Criteria	10 structures with the lowest total energy including restraint terms
Conformers Calculated Total Number	100
Conformers Submitted Total Number	11
Representative Model	1 (model 1 is a restrained energy minimized average structure. models 2 through 11 are the 10 best ensemble structures.)

Additional NMR Experimental Information
Details	model 1 is an energy minimized average structure. models 2 through 11 are the 10 best ensemble structures.

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	collection	VNMR	6.1C	Varian, Inc.
2	processing	NMRPipe	2004	F. Delaglio
3	data analysis	NMRView	5.2.2	B. Johnson
4	structure solution	ARIA	1.2	M. Nilges
5	data analysis	TENSOR2	2	M. Blackledge
6	refinement	Xplor-NIH	2.9.7	G.M. Clore

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.