1GO9

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 Experimental Data


Experimental Details
Sample Conditions
Sample Contents34% H2O / 66% TFE
Solventn/a
Ionic Strengthn/a
pH3.8
Pressure1
Temperature (K)310
Experiment(s):COSY, TOCSY
Spectrometer Information
Manufacturer Model Field Strength
BRUKER AMX600 600.0
NMR Refinement
Method HYBRID DISTANCE GEOMETRY SIMULATED ANNEALING IN TORSION ANGLE SPACE
Details REFINEMENT DETAILS CAN BE FOUND IN THE JRNL CITATION ABOVE.
NMR Ensemble Information
Conformer Selection Criteria LEAST RESTRAINT VIOLATION
Conformers Calculated Total Number 40
Conformers Submitted Total Number 1
Additional NMR Experimental Information
1 MEAN STRUCTURE. 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
# Classification Software Name Author
1 structure solution AMBER n/a
2 structure solution DYANA n/a
3 refinement AMBER 5.0 PETER KOLLMAN, DAVE CASE, KEN MERZ, THOMAS CHEATHAM, CARLOS SIMMERLING, TOM DARDEN