2KAD

Magic-Angle-Spinning Solid-State NMR Structure of Influenza A M2 Transmembrane Domain

SOLID-STATE NMR

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NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D 13C-13C DQF_COSY	4-6 mg/mL Selective U-13C, 15N labeled M2 Transmembrane Peptide, 15-25 mg/mL DLPC, 10 mM sodium phosphate, 0.1 mM sodium azide, 1 mM EDTA, 20-25 mL H2O	Solid-State NMR: Hydrated DLPC gel, approx. 50% H2O by weight. DLPC:M2TMP:Amantadine 15:1:8		7.5	ambient	243
2	2D 15N-13C HETCOR	4-6 mg/mL Selective U-13C, 15N labeled M2 Transmembrane Peptide, 15-25 mg/mL DLPC, 10 mM sodium phosphate, 0.1 mM sodium azide, 1 mM EDTA, 20-25 mL H2O	Solid-State NMR: Hydrated DLPC gel, approx. 50% H2O by weight. DLPC:M2TMP:Amantadine 15:1:8		7.5	ambient	243
3	2D DARR	4-6 mg/mL Selective U-13C, 15N labeled M2 Transmembrane Peptide, 15-25 mg/mL DLPC, 10 mM sodium phosphate, 0.1 mM sodium azide, 1 mM EDTA, 20-25 mL H2O	Solid-State NMR: Hydrated DLPC gel, approx. 50% H2O by weight. DLPC:M2TMP:Amantadine 15:1:8		7.5	ambient	243
4	2D INADEQUATE	4-6 mg/mL Selective U-13C, 15N labeled M2 Transmembrane Peptide, 15-25 mg/mL DLPC, 10 mM sodium phosphate, 0.1 mM sodium azide, 1 mM EDTA, 20-25 mL H2O	Solid-State NMR: Hydrated DLPC gel, approx. 50% H2O by weight. DLPC:M2TMP:Amantadine 15:1:8		7.5	ambient	243

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Bruker	AVANCE	600
2	Bruker	DRX	400

NMR Refinement
Method	Details	Software
torsion angle dynamics	TALOS	TopSpin

NMR Ensemble Information
Conformer Selection Criteria	structures with the least restraint violations
Conformers Calculated Total Number	1
Conformers Submitted Total Number	1
Representative Model	1 (fewest violations)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	collection	TopSpin	1.3	Bruker Biospin
2	structure solution	Insight II	2005	Accelrys Software Inc.
3	refinement	Insight II	2005	Accelrys Software Inc.