2KDM

NMR structures of GA95 and GB95, two designed proteins with 95% sequence identity but different folds and functions

SOLUTION NMR

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NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D 1H-15N HSQC	0.15-0.3 mM [U-100% 13C; U-100% 15N] Gb95	90% H2O/10% D2O	100	7.2	ambient	293
2	3D HNCACB	0.15-0.3 mM [U-100% 13C; U-100% 15N] Gb95	90% H2O/10% D2O	100	7.2	ambient	293
3	3D CBCA(CO)NH	0.15-0.3 mM [U-100% 13C; U-100% 15N] Gb95	90% H2O/10% D2O	100	7.2	ambient	293
4	3D HBHA(CO)NH	0.15-0.3 mM [U-100% 13C; U-100% 15N] Gb95	90% H2O/10% D2O	100	7.2	ambient	293
5	3D H(CCO)NH	0.15-0.3 mM [U-100% 13C; U-100% 15N] Gb95	90% H2O/10% D2O	100	7.2	ambient	293
6	3D C(CO)NH	0.15-0.3 mM [U-100% 13C; U-100% 15N] Gb95	90% H2O/10% D2O	100	7.2	ambient	293
7	3D HNCO	0.15-0.3 mM [U-100% 13C; U-100% 15N] Gb95	90% H2O/10% D2O	100	7.2	ambient	293
8	3D 1H-15N NOESY	0.15-0.3 mM [U-100% 13C; U-100% 15N] Gb95	90% H2O/10% D2O	100	7.2	ambient	293
9	3D 1H-13C NOESY aliphatic	0.15-0.3 mM [U-100% 13C; U-100% 15N] Gb95	90% H2O/10% D2O	100	7.2	ambient	293
10	3D 1H-13C NOESY aromatic	0.15-0.3 mM [U-100% 13C; U-100% 15N] Gb95	90% H2O/10% D2O	100	7.2	ambient	293

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Bruker	DRX	600

NMR Refinement
Method	Details	Software
simulated annealing		CNS

NMR Ensemble Information
Conformer Selection Criteria	structures with acceptable covalent geometry
Conformers Calculated Total Number	300
Conformers Submitted Total Number	20
Representative Model	1 (closest to the average)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	structure solution	CNS	1.2	Brunger, Adams, Clore, Gros, Nilges and Read
2	collection	XwinNMR	2.5	Bruker Biospin
3	processing	NMRPipe		Delaglio, Grzesiek, Vuister, Zhu, Pfeifer and Bax
4	data analysis	Sparky	3	Goddard
5	refinement	CNS	1.2	Brunger, Adams, Clore, Gros, Nilges and Read