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NMR structure of a synthetic small molecule, rbt203, bound to HIV-1 TAR RNA
SOLUTION NMR
NMR Experiment
Experiment
Type
Sample Contents
Solvent
Ionic Strength
pH
Pressure
Temperature (K)
Spectrometer
1
NOESY
20 mM
6.1
1 atm
298
2
TOCSY
20 mM
6.1
1 atm
298
3
COSY
20 mM
6.1
1 atm
298
4
ROESY
20 mM
6.1
1 atm
298
NMR Spectrometer Information
Spectrometer
Manufacturer
Model
Field Strength
1
Bruker
DRX
800
2
Bruker
DRX
600
3
Bruker
DMX
600
4
Bruker
AMX
500
NMR Refinement
Method
Details
Software
NOE-RESTRAINED DYNAMICS
REFINEMENT INCLUDED A NUMBER OF MODELLING CONSTRAINTS BASED UPON PREVIOUSLY PUBLISHED DATA, AS WELL AS FINAL GENTLE REFINEMENT STEP USING CHARMM. DETAILS CAN BE FOUND IN THE JOURNAL CITATION ABOVE
X-PLOR
NMR Ensemble Information
Conformer Selection Criteria
LEAST RESTRRAINT VIOLATION ENERGY
Conformers Calculated Total Number
50
Conformers Submitted Total Number
1
Representative Model
1 (n/a)
Additional NMR Experimental Information
Details
THE STRUCTURE WAS DETERMINED USING HOMONUCLEAR NMR SPECTROSCOPY, DETECTING INTERMOLECULAR NOES. RNA INTRAMOLECULAR RESTRAINTS WERE AS IN ABOUL-ELA ET AL, JMB 1995, AS THE NMR SPECTRA FOR THE RNA AS ABOUND BY THE LIGAND RBT203 SHOWED SIMILAR NOE AND CHEMICAL SHIFT PATTERNS TO THE LATTER