2ESY | pdb_00002esy

Structure and influence on stability and activity of the N-terminal propetide part of lung surfactant protein C

SOLUTION NMR

NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D NOESY	0.5mM SP-Ci(1-31) in 35mM [2H38]dodecylphosphocholine (DPC), 50mM sodium phosphate buffer	90% H2O/10% D2O	0.1	7.5	ambient	297
2	2D TOCSY	0.5mM SP-Ci(1-31) in 35mM [2H38]dodecylphosphocholine (DPC), 50mM sodium phosphate buffer	90% H2O/10% D2O	0.1	7.5	ambient	297
3	DQF-COSY	0.5mM SP-Ci(1-31) in 35mM [2H38]dodecylphosphocholine (DPC), 50mM sodium phosphate buffer	90% H2O/10% D2O	0.1	7.5	ambient	297
4	2D NOESY	0.5mM SP-Ci(1-31)	[2H5]-ethanol	0	7	ambient	287
5	2D TOCSY	0.5mM SP-Ci(1-31)	[2H5]-ethanol	0	7	ambient	287

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Varian	INOVA	800
2	Bruker	DMX	600

NMR Refinement
Method	Details	Software
torsion angle dynamics	the structures are based on a total of 344 restraints, 263 are NOE-derived distance constraints, 81 dihedral angle restraints	VNMR

NMR Ensemble Information
Conformer Selection Criteria	structures with favorable non-bond energy,structures with the least restraint violations,structures with the lowest energy,target function
Conformers Calculated Total Number	50
Conformers Submitted Total Number	20
Representative Model	1 (closest to the average,fewest violations,lowest energy)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	collection	VNMR	1.1.D	varian
2	processing	PROSA	3.2	P.Guntert
3	data analysis	XEASY	3.0	R. Koradi
4	structure solution	DYANA	2.6	P.guntert
5	refinement	OPAL	3.0	P.Luginbul

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 R01GM157729.