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 1RRR | pdb_00001rrr

RNA DUPLEX CONTAINING A PURINE-RICH STRAND, NMR, 10 STRUCTURES


SOLUTION NMR
NMR Experiment
ExperimentTypeSample ContentsSolventIonic StrengthpHPressureTemperature (K)Spectrometer
1NOESY 7.0303
2COSY 7.0303
NMR Spectrometer Information
SpectrometerManufacturerModelField Strength
1VarianUNITY500
2VarianUNITYPLUS600
NMR Refinement
MethodDetailsSoftware
simulated annealingDISTANCE CONSTRAINTS FOR GLYCOSIDIC TORSION ANGLES, RIBOSE PSEUDOROTATIONAL PHASE ANGLES AND AMPLITUDES CALCULATED FROM NOE BUILD-UP CURVES AND COUPLING CONSTANTS BY A LEAST SQUARES/GRID-SEARCH METHOD IMPLEMENTED IN NUCFIT AND PFIT (A.N. LANE, NIMR, UK). INTERNUCLEOTIDE DISTANCE CONSTRAINTS CALCULATED FROM NOE BUILD-UP CURVES. STRUCTURES CALCULATED BY SIMULATED ANNEALING/RMD PROTOCOL WITHIN DISCOVER 95.0 USING AN AMBER FORCEFIELD AND A DISTANCE DEPENDENT DIELECTRIC CONSTANT.Discover
NMR Ensemble Information
Conformer Selection CriteriaLOWEST POTENTIAL ENERGY AND MINIMAL VIOLATIONS AND ACCEPTABLE STEREOCHEMISTRY
Conformers Calculated Total Number32
Conformers Submitted Total Number10
Computation: NMR Software
#ClassificationVersionSoftware NameAuthor
1refinementDiscover95.0MOLECULAR SIMULATIONS INC.
2structure solutionFelix95.0
3structure solutionNUCFIT
4structure solutionpfit
5structure solutionDISCOVER 95.0 (INSIGHTII)(INSIGHTII)