1FMH
NMR SOLUTION STRUCTURE OF A DESIGNED HETERODIMERIC LEUCINE ZIPPER
SOLUTION NMR
NMR Experiment | ||||||||
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Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
1 | DQF-COSY | 2.1 mM AB zipper; 90% H2O, 10% D2O | 90% H2O/10% D2O | 10 mM | 5.65 | ambient | 310 | |
2 | 2D TOCSY | 2.1 mM AB zipper; 90% H2O, 10% D2O | 90% H2O/10% D2O | 10 mM | 5.65 | ambient | 310 | |
3 | 2D NOESY | 2.1 mM AB zipper; 90% H2O, 10% D2O | 90% H2O/10% D2O | 10 mM | 5.65 | ambient | 310 |
NMR Spectrometer Information | |||
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Spectrometer | Manufacturer | Model | Field Strength |
1 | Bruker | DRX | 600 |
2 | Bruker | DRX | 800 |
NMR Refinement | ||
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Method | Details | Software |
1. DISTANCE GEOMETRY/REGULARIZATION, 2. SIMULATED ANNEALING, 3. MOLECULAR DYNAMICS SIMULATION INCLUDING 8 ANGSTROMS WATER SHELL | STRUCTURES WERE CALCULATED ON THE BASIS OF 1494 NOE DERIVED DISTANCE CONSTRAINTS AND 52 PHI ANGLE RESTRAINTS | XwinNMR |
NMR Ensemble Information | |
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Conformer Selection Criteria | structures with the least restraint violations,structures with the lowest energy |
Conformers Calculated Total Number | 50 |
Conformers Submitted Total Number | 25 |
Representative Model | 14 (closest to the average) |
Additional NMR Experimental Information | |
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Details | STRUCTURE WAS DETERMINED USING STANDARD 2D HOMONUCLEAR TECHNIQUES |
Computation: NMR Software | ||||
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# | Classification | Version | Software Name | Author |
1 | collection | XwinNMR | 2.6 | BRUKER |
2 | processing | Felix | 98 | Molecular Simulations, Inc. |
3 | structure solution | X-PLOR | 3.851 | Brunger |
4 | refinement | X-PLOR | 3.851 | Brunger |