Experiment: 1RQU

NMR structure of L7 dimer from E.coli

SOLUTION NMR

NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	3D_15N-separated_NOESY	1mM L7 dimer U-15N; 50mM phosphate buffer; 90% H2O, 10% D2O; 30 C	90% H2O/10% D2O	0.15	6.9	ambient	303
2	2D NOESY	1mM L7 dimer U-15N; 50mM phosphate buffer; 99.9% D2O; 30 C	99.9% D2O	0.15	6.9	ambient	303
3	3D_15N-HNHB	1mM L7 dimer U-15N; 50mM phosphate buffer; 90% H2O, 10% D2O; 30 C	90% H2O/10% D2O	0.15	6.9	ambient	303
4	15N-HMQCJ	1mM L7 dimer U-15N; 50mM phosphate buffer; 90% H2O, 10% D2O; 30 C	90% H2O/10% D2O	0.15	6.9	ambient	303
5	15N-JNH_modulated_HSQC	1mM L7 dimer U-15N; 50mM phosphate buffer; 90% H2O, 10% D2O; 30 C; Tobacco virus alignment medium	90% H2O/10% D2O	0.15	6.9	ambient	303

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Varian	UNITY	600

NMR Refinement
Method	Details	Software
simulated annealing combined with molecular dynamics in torsion angle space	Representative structure of L7 dimer with two unordered and extended hinge regions was calculated using the mean structures of its N- and C-terminal domains and NMR derived constraints obtained for U-15N protein L7	VNMR

NMR Ensemble Information
Conformer Selection Criteria	structures with the least restraint violations,target function
Conformers Calculated Total Number	100
Conformers Submitted Total Number	1
Representative Model	1 (closest to the average)

Additional NMR Experimental Information
Details	The structure was determined using triple-resonance NMR spectroscopy.

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	collection	VNMR	6.3b	VARIAN USA
2	data analysis	XEASY	1.2.11	Bartels, C.
3	structure solution	CYANA	1.01	Guntert, P.
4	refinement	FANTOM	4	Schaumann, T.