2I7U | pdb_00002i7u

Structural and Dynamical Analysis of a Four-Alpha-Helix Bundle with Designed Anesthetic Binding Pockets

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	0.5mM 4HB U-15N,13C, 90% H2O, 10% D2O, 0.2mM DSS	90% H2O/10% D2O		4.5	ambient	308
2	3D_13C-separated_NOESY	0.5mM 4HB U-15N,13C, 90% H2O, 10% D2O, 0.2mM DSS	90% H2O/10% D2O		4.5	ambient	308
3	HNCO	0.5mM 4HB U-15N,13C, 90% H2O, 10% D2O, 0.2mM DSS	90% H2O/10% D2O		4.5	ambient	308
4	CBCACONH	0.5mM 4HB U-15N,13C, 90% H2O, 10% D2O, 0.2mM DSS	90% H2O/10% D2O		4.5	ambient	308
5	HNCACB	0.5mM 4HB U-15N,13C, 90% H2O, 10% D2O, 0.2mM DSS	90% H2O/10% D2O		4.5	ambient	308
6	2D NOESY	0.5mM 4HB U-15N,13C, 90% H2O, 10% D2O, 0.2mM DSS	90% H2O/10% D2O		4.5	ambient	308
7	HSQC	0.5mM 4HB U-15N,13C, 90% H2O, 10% D2O, 0.2mM DSS	90% H2O/10% D2O		4.5	ambient	308
8	HNCA	0.5mM 4HB U-15N,13C, 90% H2O, 10% D2O, 0.2mM DSS	90% H2O/10% D2O		4.5	ambient	308
9	HNCOCA	0.5mM 4HB U-15N,13C, 90% H2O, 10% D2O, 0.2mM DSS	90% H2O/10% D2O		4.5	ambient	308
10	HBHA(CO)NH	0.5mM 4HB U-15N,13C, 90% H2O, 10% D2O, 0.2mM DSS	90% H2O/10% D2O		4.5	ambient	308
11	HBHANH	0.5mM 4HB U-15N,13C, 90% H2O, 10% D2O, 0.2mM DSS	90% H2O/10% D2O		4.5	ambient	308
12	R1 Relaxation	0.5mM 4HB U-15N,13C, 90% H2O, 10% D2O, 0.2mM DSS	90% H2O/10% D2O		4.5	ambient	308
13	R2 Relaxation	0.5mM 4HB U-15N,13C, 90% H2O, 10% D2O, 0.2mM DSS	90% H2O/10% D2O		4.5	ambient	308
14	Heteronuclear NOE	0.5mM 4HB U-15N,13C, 90% H2O, 10% D2O, 0.2mM DSS	90% H2O/10% D2O		4.5	ambient	308

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

NMR Refinement
Method	Details	Software
torsion angle dynamics	The structures are based on a total of 1118 restraints relative to the dimer, including 858 NOE-derived distance constraints, 180 dihedral angle restraints and 80 distance restraints from hydrogen bonds.	TopSpin

NMR Ensemble Information
Conformer Selection Criteria	target function
Conformers Calculated Total Number	100
Conformers Submitted Total Number	10
Representative Model	1 (the lowest target function)

Additional NMR Experimental Information
Details	The structure was determined using standard 3D experiments and the program CYANA

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	collection	TopSpin	1.3	Bruker
2	processing	NMRPipe	2.4 Rev 2006.095.11.35	Delaglio, F.
3	data analysis	Sparky	3.110	Goddard, TD; Kneller, DG
4	structure solution	CYANA	2.1	Guntert, P.
5	data analysis	AutoAssign	2.2.0	H. Moseley; D. Zimmerman; C. Kulikowski; G. Montelione
6	data analysis	Monte	2.02	Hitchens, T.K.; Lukin, J.A.; Zhan, Y.; Rule, G.S.
7	refinement	CYANA	2.1	Guntert, P.