SOLUTION STRUCTURE OF RIBOSOMAL PROTEIN S4 DELTA 41, REFINED WITH DIPOLAR COUPLINGS (ENSEMBLE OF 16 STRUCTURES)
SOLUTION NMR
NMR Experiment | ||||||||
---|---|---|---|---|---|---|---|---|
Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
1 | 3D_15N-SEPARATED_NOESY | 1.1 MM S4 DELTA 41, U-15N,13C; 20 MM D4-ACETATE PH 5.4, 250 MM KCL, 0.1 MM SODIUM AZIDE | 94% H2O, 6% D2O | 250 mM KCL | 5.4 | AMBIENT | 310 | |
2 | 3D_13C-SEPARATED_NOESY | 0.45 MM S4 DELTA 41, U-15N,13C; 20 MM D4-ACETATE PH 5.4, 250 MM KCL | 99.9% D2O | 250 mM KCL | 5.4 | AMBIENT | 310 | |
3 | 4D_13C-SEPARATED_NOESY | 0.45 MM S4 DELTA 41, U-15N,13C; 20 MM D4-ACETATE PH 5.4, 250 MM KCL | 99.9% D2O | 250 mM KCL | 5.4 | AMBIENT | 310 | |
4 | HNHA | 1.1 MM S4 DELTA 41, U-15N,13C; 20 MM D4-ACETATE PH 5.4, 250 MM KCL, 0.1 MM SODIUM AZIDE | 94% H2O, 6% D2O | 250 mM KCL | 5.4 | AMBIENT | 310 | |
5 | IPAP 15N HSQC | 0.10 MM S4 DELTA 41, U-15N; 7 MM D4-ACETATE PH 5.4, 7 MM KH2PO4 PH 6.5, 80 MM KCL, 5% W/V DMPC:DHPC (3:1) | 93% H2O/7% D2O | 80 mM KCL | 6.0 | AMBIENT | 310 |
NMR Spectrometer Information | |||
---|---|---|---|
Spectrometer | Manufacturer | Model | Field Strength |
1 | Bruker | DMX | 750 |
2 | Bruker | DMX | 500 |
NMR Refinement | ||
---|---|---|
Method | Details | Software |
HYBRID DGSA PROTOCOL WITHOUT THE DIPOLAR COUPLING RESTRAINTS FOLLOWED BY ADDITIONAL SA WITH THE DIPOLAR COUPLING RESTRAINTS ADDED | SUMMARY OF RESTRAINTS: 2170 NOE, 86 HYDROGEN BOND, 114 DIHEDRAL ANGLE, AND 101 DIPOLAR COUPLINGS | XwinNMR |
NMR Ensemble Information | |
---|---|
Conformer Selection Criteria | structures with the lowest energy |
Conformers Calculated Total Number | 50 |
Conformers Submitted Total Number | 16 |
Representative Model | 1 (lowest energy) |
Additional NMR Experimental Information | |
---|---|
Details | THESE STRUCTURES WERE DETERMINED WITH NOE RESTRAINTS FROM MULTIDIMENSIONAL HETERONUCLEAR EXPERIMENTS, DIHEDRAL ANGLE RESTRAINTS BASED ON MEASUREMENTS OF SCALAR COUPLING CONSTANTS, AND DIPOLAR COUPLING RESTRAINTS MEASURED ON SAMPLES IN PARTIALLY ALIGNED PHASES. THE STRUCTURES ARE ARRANGED IN ORDER FROM LOWEST TO HIGHEST X-PLOR ENERGY. |
Computation: NMR Software | ||||
---|---|---|---|---|
# | Classification | Version | Software Name | Author |
1 | structure solution | XwinNMR | 2.5 | BRUKER |
2 | structure solution | NMRPipe | 1.7 | DELAGLIO |
3 | structure solution | PIPP | 4.2.8 | GARRETT |
4 | refinement | X-PLOR | 3.8, 4.0 | BRUNGER |