SOLUTION NMR Experimental Data


Experimental Details
Sample Conditions
Sample Contents~~2 mM RNA, 80 mM NaCl, 3 mM KH2PO4, 7 mM K2HPO4, 0.5 mM Na2EDTA, 3 mM cobalt hexamine, pH=6.1, 90% H2O, 10% D2O
Solvent90% H2O/10% D2O
Ionic Strength80 mM NaCl, 3 mM cobalt hexamine
pH6.1
Pressureambient
Temperature (K)298
Experiment(s):2D NOESY
Sample Contents~~2 mM RNA, 80 mM NaCl, 3 mM KH2PO4, 7 mM K2HPO4, 0.5 mM Na2EDTA, 3 mM cobalt hexamine, pH=6.1, 100% D2O
Solvent100% D2O
Ionic Strength80 mM NaCl, 3 mM cobalt hexamine
pH6.1
Pressureambient
Temperature (K)298
Experiment(s):2D NOESY
Spectrometer Information
Manufacturer Model Field Strength
Varian INOVA 500.0
NMR Refinement
Method molecular dynamics
Details The structures are based on a total of 217 NMR-derived interproton distance restraints (108 intranucleotide and 109 internucleotide). Hydrogn bond restraints were used for the six WC pairs and for the G8-U14 wobble pair. On the basis of NMR data that is consistent with the formation of tandem sheared AA pairs, two artificial hydrogen bonding restraints were used between each sheared AA pair.
NMR Ensemble Information
Conformer Selection Criteria closest to average
Conformers Calculated Total Number 50
Conformers Submitted Total Number 1
Representative Model Choice Rationale
1 closest to the average
Computation: NMR Software
# Classification Software Name Author
1 collection version: 5.2 VNMR Varian
2 data analysis version: 2000 FELIX Felix
3 structure solution version: 95.0 DISCOVER Insight
4 refinement version: 95.0 DISCOVER Insight