7VU5

Structure of the transmembrane domain of the CD28 dimer

SOLUTION NMR

---

NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	TROSY-HSQC	0.6 mM U-13C; U-15N; 75%-2H CD28_TM, 25 mM MES, 30 mM DMPC, 60 mM DHPC	90% H2O/10% D2O	25 mM	6.0	1 atm	310	Bruker AVANCE 600
2	TROSY-HNCO	0.6 mM U-13C; U-15N; 75%-2H CD28_TM, 25 mM MES, 30 mM DMPC, 60 mM DHPC	90% H2O/10% D2O	25 mM	6.0	1 atm	310	Bruker AVANCE 600
3	TROSY-HNCACO	0.6 mM U-13C; U-15N; 75%-2H CD28_TM, 25 mM MES, 30 mM DMPC, 60 mM DHPC	90% H2O/10% D2O	25 mM	6.0	1 atm	310	Bruker AVANCE 600
4	TROSY-HNCA	0.6 mM U-13C; U-15N; 75%-2H CD28_TM, 25 mM MES, 30 mM DMPC, 60 mM DHPC	90% H2O/10% D2O	25 mM	6.0	1 atm	310	Bruker AVANCE 600
5	TROSY-HNCOCA	0.6 mM U-13C; U-15N; 75%-2H CD28_TM, 25 mM MES, 30 mM DMPC, 60 mM DHPC	90% H2O/10% D2O	25 mM	6.0	1 atm	310	Bruker AVANCE 600
6	TROSY-HNCACB	0.6 mM U-13C; U-15N; 75%-2H CD28_TM, 25 mM MES, 30 mM DMPC, 60 mM DHPC	90% H2O/10% D2O	25 mM	6.0	1 atm	310	Bruker AVANCE 600
7	3D 1H-15N NOESY	0.6 mM [U-13C; U-15N] CD28_TM, 25 mM MES, 30 mM acyl chain U-2H DMPC, 60 mM acyl chain U-2H DHPC	90% H2O/10% D2O	25 mM	6.0	1 atm	310	Bruker AVANCE 900
10	3D 1H-13C NOESY	0.6 mM [U-13C; U-15N] CD28_TM, 25 mM MES, 30 mM acyl chain U-2H DMPC, 60 mM acyl chain U-2H DHPC	90% H2O/10% D2O	25 mM	6.0	1 atm	310	Bruker AVANCE 900
9	3D 1H-15N NOESY	0.6 mM U-15N; U-2H CD28_TM, 0.6 mM [U-13C] CD28_TM, 25 mM MES, 30 mM acyl chain U-2H DMPC, 60 mM acyl chain U-2H DHPC	90% H2O/10% D2O	25 mM	6.0	1 atm	310	Bruker AVANCE 900
8	2D 1H-13C HSQC	0.2 mM U-15N; 15%-13C CD28_TM, 25 mM MES, 30 mM acyl chain U-2H DMPC, 60 mM acyl chain U-2H DHPC	90% H2O/10% D2O	25 mM	6.0	1 atm	310	Bruker AVANCE 900

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Bruker	AVANCE	600
2	Bruker	AVANCE	900

NMR Refinement
Method	Details	Software
simulated annealing		X-PLOR NIH

NMR Ensemble Information
Conformer Selection Criteria	15
Conformers Calculated Total Number	100
Conformers Submitted Total Number	15
Representative Model	1 (lowest energy)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	refinement	X-PLOR NIH	2.44	Schwieters, Kuszewski, Tjandra and Clore
2	structure calculation	X-PLOR NIH	2.44	Schwieters, Kuszewski, Tjandra and Clore
3	processing	NMRPipe		Delaglio, Grzesiek, Vuister, Zhu, Pfeifer and Bax
4	peak picking	XEASY		Bartels et al.
5	chemical shift assignment	XEASY		Bartels et al.