1U2U
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 | 2.6mM, 90% H2O, 10% D2O | 90% H2O/10% D2O | 10mM | 5.7 | AMBIENT | 310.00 | |
2 | 2D TOCSY | 2.6mM, 90% H2O, 10% D2O | 90% H2O/10% D2O | 10mM | 5.7 | AMBIENT | 310.00 | |
3 | 2D NOESY | 2.6mM, 90% H2O, 10% D2O | 90% H2O/10% D2O | 10mM | 5.7 | AMBIENT | 310.00 | |
4 | 2D 1H-15N HSQC | 2.6mM, 90% H2O, 10% D2O | 90% H2O/10% D2O | 10mM | 5.7 | AMBIENT | 310.00 | |
5 | 2D 1H-13C HSQC | 2.6mM, 90% H2O, 10% D2O | 90% H2O/10% D2O | 10mM | 5.7 | AMBIENT | 310.00 |
NMR Spectrometer Information | |||
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Spectrometer | Manufacturer | Model | Field Strength |
1 | Bruker | DRX | 600 |
NMR Refinement | ||
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Method | Details | Software |
DISTANCE GEOMETRY/ REGULARIZATION, SIMULATED ANNEALING, MOLECULAR DYNAMICS SIMULATION IN VACUO | STRUCTURES WERE CALCULATED ON THE BASIS OF 1246 NOE DERIVED DISTANCE CONSTRAINTS AND 44 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, low deviation of experimental pKa values from pKa derived by continuum electrostatics calculations on structures |
Conformers Calculated Total Number | 50 |
Conformers Submitted Total Number | 27 |
Representative Model | 25 (closest to the average) |
Additional NMR Experimental Information | |
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Details | STRUCTURE WAS DETERMINED USING STANDARD 2D NMR TECHNIQUES |
Computation: NMR Software | ||||
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# | Classification | Version | Software Name | Author |
1 | collection | XwinNMR | 3.0 | Bruker |
2 | data analysis | Felix | 2000 | Accelrys |
3 | structure solution | CNS | 1.1 | |
4 | data analysis | PROCHECK | 3.4.4 | Laskowski |
5 | data analysis | WHAT IF | 19991018 | Vriend |
6 | refinement | CNS | 1.1 |