2ME8

Solution Structure of BCL-xL in its p53-bound conformation determined with selective isotope labelling of I,L,V sidechains


SOLUTION NMR
NMR Experiment
ExperimentTypeSample ContentsSolventIonic StrengthpHPressureTemperature (K)Spectrometer
12D 1H-15N HSQC0.6 mM [U- 98% 13C; U- 98% 15N; U- 98% 2H; U- I,LV CH3 1H] BCL-xL, 0.65 mM p5393% H2O/7% D2O0.057.0ambient298
22D 1H-13C HSQC aliphatic0.6 mM [U- 98% 13C; U- 98% 15N; U- 98% 2H; U- I,LV CH3 1H] BCL-xL, 0.65 mM p5393% H2O/7% D2O0.057.0ambient298
33D HNCACB0.6 mM [U- 98% 13C; U- 98% 15N; U- 98% 2H; U- I,LV CH3 1H] BCL-xL, 0.65 mM p5393% H2O/7% D2O0.057.0ambient298
43D HNCO0.6 mM [U- 98% 13C; U- 98% 15N; U- 98% 2H; U- I,LV CH3 1H] BCL-xL, 0.65 mM p5393% H2O/7% D2O0.057.0ambient298
53D 1H-15N NOESY0.6 mM [U- 98% 13C; U- 98% 15N; U- 98% 2H; U- I,LV CH3 1H] BCL-xL, 0.65 mM p5393% H2O/7% D2O0.057.0ambient298
63D 1H-13C NOESY aliphatic0.6 mM [U- 98% 13C; U- 98% 15N; U- 98% 2H; U- I,LV CH3 1H] BCL-xL, 0.65 mM p5393% H2O/7% D2O0.057.0ambient298
NMR Spectrometer Information
SpectrometerManufacturerModelField Strength
1BrukerAvance800
2BrukerAvance600
NMR Refinement
MethodDetailsSoftware
molecular dynamicsENERGY MINIMIZATION WITH 100 STEPS STEEPEST GRADIENT DESCENT FOLLOWED BY 100 CONJUGATE GRADIENT DESCENT STEPSTOPSPIN
NMR Ensemble Information
Conformer Selection Criteriastructures with the lowest energy
Conformers Calculated Total Number100
Conformers Submitted Total Number20
Representative Model1 (lowest energy)
Computation: NMR Software
#ClassificationVersionSoftware NameAuthor
1collectionTOPSPIN2.1Bruker Biospin
2processingTOPSPIN2.1Bruker Biospin
3data analysisCARAKeller, R.L.J.
4chemical shift assignmentCARAKeller, R.L.J.
5structure solutionCYANAGuntert, Mumenthaler and Wuthrich
6refinementAMBERCase, Darden, Cheatham, III, Simmerling, Wang, Duke, Luo, ... and Kollman