1GOE
Monitoring the structural Consequences of Phe12-->D-Phe12 and Leu15-->Aib15 substitution in h/r Corticotropin Releasing Hormone: Implications for Design of CRH antagonists.
SOLUTION NMR
NMR Experiment | ||||||||
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Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
1 | COSY | 34% H2O / 66% TFE | 3.8 | 1 atm | 310 | |||
2 | TOCSY | 34% H2O / 66% TFE | 3.8 | 1 atm | 310 | |||
3 | NOESY | 34% H2O / 66% TFE | 3.8 | 1 atm | 310 |
NMR Spectrometer Information | |||
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Spectrometer | Manufacturer | Model | Field Strength |
1 | Bruker | AMX | 600 |
NMR Refinement | ||
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Method | Details | Software |
HYBRID DISTANCE GEOMETRY SIMULATED ANNEALING IN TORSION ANGLE SPACE | REFINEMENT DETAILS CAN BE FOUND IN THE JRNL CITATION ABOVE. | AMBER |
NMR Ensemble Information | |
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Conformer Selection Criteria | LEAST RESTRAINT VIOLATION |
Conformers Calculated Total Number | 400 |
Conformers Submitted Total Number | 40 |
Representative Model | 20 (n/a) |
Additional NMR Experimental Information | |
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Details | THE STRUCTURE WAS DETERMINED USING 1H-1H DOUBLE-RESONANCE NMR SPECTROSCOPY. NMR-DERRIVED DISTANCE RESTRAINTS AND 3JHAHN COUPLING CONSTANTS AS WELL AS H-BOND CONSTRAINTS USED IN STRUCTURAL CALCULATION AND REFIMENT PROCEEDURE. |
Computation: NMR Software | ||||
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# | Classification | Version | Software Name | Author |
1 | refinement | AMBER | 5.0 | PETER KOLLMAN, DAVE CASE, KEN MERZ, THOMAS CHEATHAM, CARLOS SIMMERLING, TOM DARDEN |
2 | structure solution | DYANA | ||
3 | structure solution | AMBER |