2DWF

NMR structure of Mini-B, an N-terminal- C-terminal construct from human Surfactant Protein B (SP-B), in Sodium dodecyl sulfate (SDS) micelles

SOLUTION NMR

NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D NOESY	Partially 15N-labelled peptide with 15N labels on Leucine (3, 7, 22, 25, 29, 31), Alanine (6, 13) and Glycine (18); 1.5mM peptide	150mM SDS, 0.4mM DSS, 90% H2O, 10% D2O	0	5	ambient	318
2	2D TOCSY	Partially 15N-labelled peptide with 15N labels on Leucine (3, 7, 22, 25, 29, 31), Alanine (6, 13) and Glycine (18); 1.5mM peptide	150mM SDS, 0.4mM DSS, 90% H2O, 10% D2O	0	5	ambient	318
3	3D_15N-separated_NOESY	Partially 15N-labelled peptide with 15N labels on Leucine (3, 7, 22, 25, 29, 31), Alanine (6, 13) and Glycine (18); 1.5mM peptide	150mM SDS, 0.4mM DSS, 90% H2O, 10% D2O	0	5	ambient	318
4	3D_15N-separated_TOCSY	Partially 15N-labelled peptide with 15N labels on Leucine (3, 7, 22, 25, 29, 31), Alanine (6, 13) and Glycine (18); 1.5mM peptide	150mM SDS, 0.4mM DSS, 90% H2O, 10% D2O	0	5	ambient	318

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

NMR Refinement
Method	Details	Software
Simulated annealing, Molecular dynamics		NMRPipe

NMR Ensemble Information
Conformer Selection Criteria	structures with the lowest energy
Conformers Calculated Total Number	500
Conformers Submitted Total Number	15
Representative Model	1 (lowest energy)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	processing	NMRPipe	2.2	Delaglio
2	data analysis	Sparky	3.110	Goddard and Kneller
3	refinement	CNS	1.1	Brunger
4	data analysis	MOLMOL	2K.2	Koradi

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.