2N4X

Structure of the Transmembrane Electron Transporter CcdA

SOLUTION NMR

---

NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D 1H-15N TROSY-HSQC	0.8 mM [U-100% 13C; U-100% 15N; U-80% 2H] CcdA-1, 20 mM MES-2, 50 mM sodium chloride-3, 100 mM dodecylphosphocholine-4	95% H2O/5% D2O	0.15	6	ambient	303
2	3D TROSY HNCA	0.8 mM [U-100% 13C; U-100% 15N; U-80% 2H] CcdA-1, 20 mM MES-2, 50 mM sodium chloride-3, 100 mM dodecylphosphocholine-4	95% H2O/5% D2O	0.15	6	ambient	303
3	3D TROSY HN(CO)CA	0.8 mM [U-100% 13C; U-100% 15N; U-80% 2H] CcdA-1, 20 mM MES-2, 50 mM sodium chloride-3, 100 mM dodecylphosphocholine-4	95% H2O/5% D2O	0.15	6	ambient	303
4	3D TROSY HN(CA)CO	0.8 mM [U-100% 13C; U-100% 15N; U-80% 2H] CcdA-1, 20 mM MES-2, 50 mM sodium chloride-3, 100 mM dodecylphosphocholine-4	95% H2O/5% D2O	0.15	6	ambient	303
5	3D TROSY HNCO	0.8 mM [U-100% 13C; U-100% 15N; U-80% 2H] CcdA-1, 20 mM MES-2, 50 mM sodium chloride-3, 100 mM dodecylphosphocholine-4	95% H2O/5% D2O	0.15	6	ambient	303
6	3D TROSY HNCACB	0.8 mM [U-100% 13C; U-100% 15N; U-80% 2H] CcdA-1, 20 mM MES-2, 50 mM sodium chloride-3, 100 mM dodecylphosphocholine-4	95% H2O/5% D2O	0.15	6	ambient	303
7	2D 1H-15N TROSY-HSQC	0.8 mM [U-100% 13C; U-100% 15N] CcdA-5, 20 mM MES-6, 50 mM sodium chloride-7, 100 mM [U-99% 2H] dodecylphosphocholine-8	95% H2O/5% D2O	0.15	6	ambient	303
8	3D 15N-edited NOESY TROSY-HSQC (60 ms mix time)	0.8 mM [U-100% 13C; U-100% 15N] CcdA-5, 20 mM MES-6, 50 mM sodium chloride-7, 100 mM [U-99% 2H] dodecylphosphocholine-8	95% H2O/5% D2O	0.15	6	ambient	303
9	3D 15N-edited NOESY TROSY-HSQC (120 ms mix time)	0.8 mM [U-100% 13C; U-100% 15N] CcdA-5, 20 mM MES-6, 50 mM sodium chloride-7, 100 mM [U-99% 2H] dodecylphosphocholine-8	95% H2O/5% D2O	0.15	6	ambient	303
10	3D 13C-edited Methyl NOESY (150 ms mix time)	0.8 mM [U-100% 13C; U-100% 15N] CcdA-5, 20 mM MES-6, 50 mM sodium chloride-7, 100 mM [U-99% 2H] dodecylphosphocholine-8	95% H2O/5% D2O	0.15	6	ambient	303
11	4D double 15N-edited NOESY (200 ms mix time)	0.8 mM [U-100% 13C; U-100% 15N; U-80% 2H] CcdA-1, 20 mM MES-2, 50 mM sodium chloride-3, 100 mM dodecylphosphocholine-4	95% H2O/5% D2O	0.15	6	ambient	303

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

NMR Refinement
Method	Details	Software
simulated annealing, torsion angle dynamics		X-PLOR NIH

NMR Ensemble Information
Conformer Selection Criteria	structures with the lowest energy
Conformers Calculated Total Number	75
Conformers Submitted Total Number	15
Representative Model	1 (lowest energy)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	structure solution	X-PLOR NIH	2.38	Schwieters, Kuszewski, Tjandra and Clore
2	refinement	X-PLOR NIH	2.38	Schwieters, Kuszewski, Tjandra and Clore
3	processing	NMRPipe		Delaglio, Grzesiek, Vuister, Zhu, Pfeifer and Bax
4	data analysis	NMRPipe		Delaglio, Grzesiek, Vuister, Zhu, Pfeifer and Bax
5	collection	TopSpin	3.0	Bruker Biospin
6	chemical shift assignment	CCPNMR		CCPN
7	chemical shift assignment	XEASY		Bartels et al.
8	data analysis	XEASY		Bartels et al.