2LL2

Structure of the Cx43 C-terminal domain bound to tubulin

SOLUTION NMR

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NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D 1H-1H TOCSY	0.8 mM protein, 0.04 mM [U-100% 15N] D2O, 50 mM [U-100% 15N] PIPES	95% H2O/5% D2O	0	6.9	ambient	282
2	2D 1H-1H NOESY	0.8 mM protein, 0.04 mM [U-100% 15N] D2O, 50 mM [U-100% 15N] PIPES	95% H2O/5% D2O	0	6.9	ambient	282
3	2D 1H-1H TOCSY	0.8 mM protein, 0.04 mM [U-100% 15N] D2O, 50 mM [U-100% 15N] PIPES, 0.04 mM tubulin	95% H2O/5% D2O	0	6.9	ambient	282
4	2D 1H-1H NOESY	0.8 mM protein, 0.04 mM [U-100% 15N] D2O, 50 mM [U-100% 15N] PIPES, 0.04 mM tubulin	95% H2O/5% D2O	0	6.9	ambient	282
5	1D STD	0.8 mM protein, 0.04 mM [U-100% 15N] D2O, 50 mM [U-100% 15N] PIPES, 0.04 mM tubulin	95% H2O/5% D2O	0	6.9	ambient	282
6	1D STD	0.8 mM protein, 0.04 mM [U-100% 15N] D2O, 50 mM [U-100% 15N] PIPES	95% H2O/5% D2O	0	6.9	ambient	282

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

NMR Refinement
Method	Details	Software
simulated annealing		NMRView

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

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	chemical shift assignment	NMRView	5.2	Johnson, One Moon Scientific
2	peak picking	NMRView	5.2	Johnson, One Moon Scientific
3	refinement	CNS		Brunger, Adams, Clore, Gros, Nilges and Read