SOLUTION STRUCTURE OF RIBOSOMAL PROTEIN S4 DELTA 41, REFINED WITH DIPOLAR COUPLINGS (MINIMIZED AVERAGE STRUCTURE)
SOLUTION NMR
NMR Experiment | ||||||||
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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 | 1 atm | 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 | 1 atm | 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 | 1 atm | 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 | 1 atm | 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 | 1 atm | 310 |
NMR Spectrometer Information | |||
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Spectrometer | Manufacturer | Model | Field Strength |
1 | Bruker | DMX | 750 |
2 | Bruker | DMX | 500 |
NMR Refinement | ||
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Method | Details | Software |
hybrid DGSA protocol without the dipolar coupling restraints followed by additional SA with the dipolar coupling restraints add | SUMMARY OF RESTRAINTS: 2170 NOE, 86 HYDROGEN BOND, 114 DIHEDRAL ANGLE, AND 101 DIPOLAR COUPLINGS | XwinNMR |
NMR Ensemble Information | |
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Conformer Selection Criteria | |
Conformers Calculated Total Number | |
Conformers Submitted Total Number | 1 |
Representative Model | 1 (minimized average structure) |
Additional NMR Experimental Information | |
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Details | This structure was 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. |
Computation: NMR Software | ||||
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# | 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 |