1ZZA | pdb_00001zza

Solution NMR Structure of the Membrane Protein Stannin

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	0.5-0.7 mM Stannin U-15N or U-15N/13C; 20 mM phosphate buffer; 600 mM d25-sodium dodecyl sulfate; 90% H2O; 10% D2O; 0.02% sodium azide; 0.7 mM DTT	90% H2O/10% D2O	120 mM NaCl	4.0	ambient	333

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Varian	INOVA	800

NMR Refinement
Method	Details	Software
distance geometry simulated annealing molecular dynamics	structures based on 468 NOE distance constraints, 70 distance restraints from hydrogen bonds	VNMR

NMR Ensemble Information
Conformer Selection Criteria	structures with the lowest energy
Conformers Calculated Total Number	100
Conformers Submitted Total Number	25
Representative Model	22 (minimized average structure)

Additional NMR Experimental Information
Details	Backbone assignments were made using 3D-TROSY based HNCA, HN(CO)CA, HNCACB, CBCA(CO)NH and HNCO experiments. Side chains and NOEs were assigned with 3D [1H, 15N]-TOCSY-HSQC and 3D [1H,15N]-NOESY-HSQC experiments

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	collection	VNMR	6.1c	Varian
2	processing	NMRPipe	97.027.12.56	Delaglio, Grzesiek, Vuister, Zhu, Pfeifer and Bax
3	data analysis	Sparky	3.111	Goddard and Kneller
4	structure solution	X-PLOR	2.11	Schwieters, Kuszewski, Tjandra and Clore
5	refinement	X-PLOR	2.11	Schwieters, Kuszewski, Tjandra and Clore