8H1D

Solid-state NMR Structure of Aquaporin Z in its Native Cellular Membranes

SOLID-STATE NMR

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NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D NCA	29.4 % w/w [U-13C; U-15N] aquaporin Z	5 mM Tris-Cl pH 8.0	1 M	8.0	1 atm	298	Bruker AVANCE III 800
2	2D DARR	29.4 % w/w [U-13C; U-15N] aquaporin Z	5 mM Tris-Cl pH 8.0	1 M	8.0	1 atm	298	Bruker AVANCE III 800
3	3D NCACX	29.4 % w/w [U-13C; U-15N] aquaporin Z	5 mM Tris-Cl pH 8.0	1 M	8.0	1 atm	298	Bruker AVANCE III 800
4	3D NCOCX	29.4 % w/w [U-13C; U-15N] aquaporin Z	5 mM Tris-Cl pH 8.0	1 M	8.0	1 atm	298	Bruker AVANCE III 800
5	3D CONCA	29.4 % w/w [U-13C; U-15N] aquaporin Z	5 mM Tris-Cl pH 8.0	1 M	8.0	1 atm	298	Bruker AVANCE III 800
6	2D 100ms CORD	29.4 % w/w [U-13C; U-15N] aquaporin Z	5 mM Tris-Cl pH 8.0	1 M	8.0	1 atm	298	Bruker AVANCE III 800
8	2D 500ms CORD	29.4 % w/w [U-13C; U-15N] aquaporin Z	5 mM Tris-Cl pH 8.0	1 M	8.0	1 atm	298	Bruker AVANCE III 800

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Bruker	AVANCE III	800

NMR Refinement
Method	Details	Software
distance geometry	We calculated 1000 monomer structures using 1007 distance restraints, 214 angle restraints predicted from TALOS+ using assigned 15N and 13C chemical shifts, and 132 intrahelical hydrogen bonds predicted from both the chemical shift index and TALOS+.	X-PLOR NIH

NMR Ensemble Information
Conformer Selection Criteria	structures with the lowest energy
Conformers Calculated Total Number	1000
Conformers Submitted Total Number	10
Representative Model	1 (lowest energy)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	chemical shift assignment	NMRFAM-SPARKY	2.6	T. D. Goddard and D. G. Kneller
2	structure calculation	X-PLOR NIH	2.47	Schwieters, Kuszewski, Tjandra and Clore
3	collection	TopSpin	3.6	Bruker Biospin
4	processing	NMRPipe	3.0	Delaglio, Grzesiek, Vuister, Zhu, Pfeifer and Bax