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HIGH RESOLUTION SOLUTION STRUCTURE OF APO RABBIT CALCYCLIN, NMR, 22 STRUCTURES
SOLUTION NMR
NMR Experiment
Experiment
Type
Sample Contents
Solvent
Ionic Strength
pH
Pressure
Temperature (K)
Spectrometer
1
3D/4D NOESY
7.0
300
2
SEE MANUSCRIPT.
7.0
300
NMR Spectrometer Information
Spectrometer
Manufacturer
Model
Field Strength
1
Bruker
AMX
600
2
Bruker
DMX
750
3
Bruker
DRX
750
NMR Refinement
Method
Details
Software
DISTANCE GEOMETRY VARIABLE TARGET FUNCTION ALGORITHM, FOLLOWED BY RESTRAINED MOLECULAR DYNAMICS SIMULATED ANNEALING
THE STRUCTURES WERE CALCULATED USING DIANA, FOLLOWED BY RESTRAINED MOLECULAR DYNAMICS ANNEALING EMPLOYING THE FULL AMBER 4.1 FORCE FIELD TO CREATE MONOMER STRUCTURES. THE DIMER WAS CREATED BY DOCKING TWO COPIES OF A MONOMER AND FURTHER ANNEALING, ALL USING RESTRAINED MOLECULAR DYNAMICS.
Amber
NMR Ensemble Information
Conformer Selection Criteria
DEFINED THE MINIMAL NUMBER OF CONFORMERS NEEDED TO REPRESENT THE SRUCTURE. THE MEMBERS OF THE ENSEMBLE WERE CHOSEN BASED ON A COMBINATION OF LEAST RESTRAINT VIOLATION ENERGY AND MOLECULAR ENERGIES.
Conformers Calculated Total Number
112
Conformers Submitted Total Number
22
Representative Model
1 (n/a)
Additional NMR Experimental Information
Details
CHEMICAL SHIFT ASSIGNMENTS WERE MADE BASED ON TRIPLE-RESONANCE EXPERIMENTS. DISTANCE CONTRAINTS WERE GENERATED FROM 2D HOMONUCLEAR NOESY, 3D 13C-NOESY-HSQC, 4D 13C/13C-NOESY-HMQC-NOESY, 2D AND 3D 13C-SELECT, 13C-FILTERED NOESY. TORSION ANGLE CONSTRAINTS WERE GENERATED FROM HACAHB-COSY, HNHA, HSQC AND NOESY EXPERIMENTS.