1DNG
NMR STRUCTURE OF A MODEL HYDROPHILIC AMPHIPATHIC HELICAL ACIDIC PEPTIDE
SOLUTION NMR
NMR Experiment | ||||||||
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Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
1 | NOESY | 10 MM SODIUM PHOSPHATE BUFFER PH 6.0 | 10mM | 6.0 | AMBIENT | 293 | ||
2 | DQF COSY | 10 MM SODIUM PHOSPHATE BUFFER PH 6.0 | 10mM | 6.0 | AMBIENT | 293 | ||
3 | TOCSY | 10 MM SODIUM PHOSPHATE BUFFER PH 6.0 | 10mM | 6.0 | AMBIENT | 293 | ||
4 | 1H-13C HSQC | 10 MM SODIUM PHOSPHATE BUFFER PH 6.0 | 10mM | 6.0 | AMBIENT | 293 | ||
5 | 1H-13C HSQC TOCSY | 10 MM SODIUM PHOSPHATE BUFFER PH 6.0 | 10mM | 6.0 | AMBIENT | 293 |
NMR Spectrometer Information | |||
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Spectrometer | Manufacturer | Model | Field Strength |
1 | Varian | UNITYPLUS | 500 |
NMR Refinement | ||
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Method | Details | Software |
DISTANCE GEOMETRY, SIMULATED ANNEALING, MOLECULAR DYNAMICS, ENENRGY MINIMIZATION | THE STRUCTURE IS BASED ON 228 RESTRAINTS, 220 OF WICH ARE NOE DIRIVED DISTANCE CONSTRAINTS AND 8 ARE DIHEDRAL ANGLE CONSTRAINTS | VNMR |
NMR Ensemble Information | |
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Conformer Selection Criteria | BACK CALCULATED DATA AGREE WITH EXPERIMENTAL NOESY SPECTRUM,STRUCTURES WITH THE LEAST RESTRAINT VIOLATIONS,STRUCTURES WITH THE LOWEST ENERGY |
Conformers Calculated Total Number | 50 |
Conformers Submitted Total Number | 1 |
Representative Model | 1 (minimized average structure) |
Additional NMR Experimental Information | |
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Details | THIS STRUCTURE WAS DETERMINED USING STANDARD 2D HOMONUCLEAR AND 1H-13C HETERONUCLEAR METHODS |
Computation: NMR Software | ||||
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# | Classification | Version | Software Name | Author |
1 | collection | VNMR | 6.1 | VARIAN INC. |
2 | structure solution | X-PLOR | 3.1 | BRUNGER A.T. |
3 | refinement | X-PLOR | 3.1 | BRUNGER A.T. |