1D0U

SOLUTION STRUCTURE OF AN RNA BINDING SITE FOR PHAGE MS2 COAT PROTEIN


SOLUTION NMR
NMR Experiment
ExperimentTypeSample ContentsSolventIonic StrengthpHPressureTemperature (K)Spectrometer
13D_15N-separated_NOESY2.2 mM replicase operator RNA U-15N,13C; 10 mM KPi buffer; 10 mM NaCl; 0.2 mM EDTA90% H2O/10% D2O~50 mM6.8ambient298
22D NOESY2.2 mM replicase operator RNA U-15N,13C; 10 mM KPi buffer; 10 mM NaCl; 0.2 mM EDTA90% H2O/10% D2O~50 mM6.8ambient298
33D_13C-separated_NOESY2.2 mM replicase operator RNA U-15N,13C; 10 mM KPi buffer; 10 mM NaCl; 0.2 mM EDTA100% D2O
42D NOESY2.2 mM replicase operator RNA U-15N,13C; 10 mM KPi buffer; 10 mM NaCl; 0.2 mM EDTA100% D2O
5DQF-COSY2.2 mM replicase operator RNA U-15N,13C; 10 mM KPi buffer; 10 mM NaCl; 0.2 mM EDTA100% D2O
631P-1H HetCor2.2 mM replicase operator RNA U-15N,13C; 10 mM KPi buffer; 10 mM NaCl; 0.2 mM EDTA100% D2O
NMR Spectrometer Information
SpectrometerManufacturerModelField Strength
1BrukerAMX500
NMR Refinement
MethodDetailsSoftware
simulated annealing and molecular dynamics refinementstructures were calculated using 469 conformationally restrictive NOE distance constraints (i.e., intra-residue sugar-sugar NOEs are not included), 20 H-bond base pair constraints, 30 backbone dihedral restraints, and dihedral restraints to restrict sugar pucker conformation.UXNMR
NMR Ensemble Information
Conformer Selection Criteriaback calculated data agree with experimental NOESY spectrum,structures with acceptable covalent geometry,structures with the least restraint violations, structures with the lowest energy
Conformers Calculated Total Number111
Conformers Submitted Total Number23
Representative Model1/2 (minimized average structure)
Additional NMR Experimental Information
DetailsThe structure was determined using standard 2D homonuclear and 2D/3D heteronuclear techniques
Computation: NMR Software
#ClassificationVersionSoftware NameAuthor
1collectionUXNMR1994Spectraspin
2processingFelix1997Biosym-MSI
3structure solutionX-PLOR3.851Brunger
4refinementX-PLOR3.851Brunger