Experiment: 2KFB

The structure of the cataract causing P23T mutant of human gamma-D crystallin

SOLUTION NMR

NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	3D HNCACB	0.2-0.8 mM [U-99% 13C; U-99% 15N] p23t, 20 mM sodium phosphate, 5 mM DTT, 5 % [U-2H] D2O	95% H2O/5% D2O	0.025333	6.2	ambient	298
2	3D HNCA	0.2-0.8 mM [U-99% 13C; U-99% 15N] p23t, 20 mM sodium phosphate, 5 mM DTT, 5 % [U-2H] D2O	95% H2O/5% D2O	0.025333	6.2	ambient	298
3	3D CBCA(CO)NH	0.2-0.8 mM [U-99% 13C; U-99% 15N] p23t, 20 mM sodium phosphate, 5 mM DTT, 5 % [U-2H] D2O	95% H2O/5% D2O	0.025333	6.2	ambient	298
4	3D HCCH-TOCSY	0.2-0.8 mM [U-99% 13C; U-99% 15N] p23t, 20 mM sodium phosphate, 5 mM DTT, 5 % [U-2H] D2O	95% H2O/5% D2O	0.025333	6.2	ambient	298
5	3D HBHA(CO)NH	0.2-0.8 mM [U-99% 13C; U-99% 15N] p23t, 20 mM sodium phosphate, 5 mM DTT, 5 % [U-2H] D2O	95% H2O/5% D2O	0.025333	6.2	ambient	298
6	3D 1H-15N NOESY	0.2-0.8 mM [U-99% 13C; U-99% 15N] p23t, 20 mM sodium phosphate, 5 mM DTT, 5 % [U-2H] D2O	95% H2O/5% D2O	0.025333	6.2	ambient	298
7	3D 1H-13C NOESY	0.2-0.8 mM [U-99% 13C; U-99% 15N] p23t, 20 mM sodium phosphate, 5 mM DTT, 5 % [U-2H] D2O	95% H2O/5% D2O	0.025333	6.2	ambient	298
8	2D 1H-15N HSQC	0.2-0.8 mM [U-99% 13C; U-99% 15N] p23t, 20 mM sodium phosphate, 5 mM DTT, 5 % [U-2H] D2O	95% H2O/5% D2O	0.025333	6.2	ambient	298
9	2D 1H-15N HSQC	0.2-0.8 mM [U-99% 13C; U-99% 15N] p23t, 20 mM sodium phosphate, 5 mM DTT, 5 % [U-2H] D2O, 5 % Pentaethylene glycol monododecyl ether, 5.2 % hexanol	95% H2O/5% D2O	0.025333	6.2	ambient	298

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Bruker	AVANCE	600
2	Bruker	AVANCE	700
3	Bruker	AVANCE	800

NMR Refinement
Method	Details	Software
torsion angle dynamics, simulated annealing		CNS

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

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	refinement	CNS		Brunger A. T. et.al.
2	refinement	X-PLOR NIH		Schwieters, Kuszewski, Tjandra and Clore
3	geometry optimization	CYANA		Brunger A. T. et.al.
4	structure solution	CYANA		Brunger A. T. et.al.
5	chemical shift assignment	Sparky		Goddard