1XFE | pdb_00001xfe

Solution structure of the LA7-EGFA pair from the LDL receptor

SOLUTION NMR

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NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	3D_15N-separated NOESY, TOCSY	1.5 mM LA7-EGFA U-15N 10 mM CaCl2; 90% H2O, 10% D2O	90% H2O/10% D2O	1:6 molar protein/CaCl2	6.5	ambient	298
2	HNHA, HNHB	1.5 mM LA7-EGFA U-15N 10 mM CaCl2; 90% H2O, 10% D2O	90% H2O/10% D2O	1:6 molar protein/CaCl2	6.5	ambient	298
3	2D_NOESY, 2D_TOCSY	1 mM LA7-EGFA 6 mM CaCl2; 90% H2O, 10% D2O	90% H2O/10% D2O	1:6 molar protein/CaCl2	6.5	ambient	298
4	13C_HSQC	0.6 mMM LA7-EGFA U-15N, 10% 13C 4 mM CaCl2; 99% D2O	99% D2O	1:6 molar protein/CaCl2	6.5	ambient	298
5	HNCA, HNCOCA, HNCO, HNCACB	0.3 mM LA7-EGFA U-15N,13C 2 mM CaCl2; 90% H2O, 10% D2O	90% H2O/10% D2O	1:6 molar protein/CaCl2	6.5	ambient	298

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Bruker	AMX	600
2	Bruker	AMX	500

NMR Refinement
Method	Details	Software
distance geometry simulated annealing	structures are based on 1564 NOE-derived constraints, 119 dihedral angle restraints, 14 distance restraints for hydrogen bonds, and 55 RDC constraints.	CNSSOLVE

NMR Ensemble Information
Conformer Selection Criteria	structures with the lowest energy
Conformers Calculated Total Number	43
Conformers Submitted Total Number	15
Representative Model	1 (lowest energy)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	structure solution	CNSSOLVE	1.1	Brunger
2	processing	Gifa	4.3	Pons et al
3	data analysis	XEASY	1.2	Bartels et al
4	refinement	CNSSOLVE	1.1	Brunger