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Solution Structure of a Subunit of RNA Polymerase II
NMR Experiment Experiment Type Sample Contents Solvent Ionic Strength pH Pressure Temperature (K) Spectrometer 1 3D_13C-separated_NOESY 0.5mM RNA Polymerase II Subunit U-15N,13C 20mM potassium phosphate buffer, 10mM DTT; 90% H2O, 10% D2O 50mM 6.3 ambient 303 2 3D_15N-separated_NOESY 0.5mM RNA Polymerase II Subunit U-15N,13C 20mM potassium phosphate buffer, 10mM DTT; 90% H2O, 10% D2O 50mM 6.3 ambient 303 3 2D_15N-edited_HSQC 0.5mM RNA Polymerase II Subunit U-15N,13C 20mM potassium phosphate buffer, 10mM DTT; 90% H2O, 10% D2O 50mM 6.3 ambient 303
NMR Spectrometer Information Spectrometer Manufacturer Model Field Strength 1 Bruker AVANCE 800 2 Bruker AVANCE 500
NMR Refinement Method Details Software simulated annealing molecular dynamics XwinNMR
NMR Ensemble Information Conformer Selection Criteria structures with the lowest energy Conformers Calculated Total Number 100 Conformers Submitted Total Number 21 Representative Model 1 (minimized average structure)
Additional NMR Experimental Information Details This structure was determined using standard 3D heteronuclear techniques.
Computation: NMR Software # Classification Version Software Name Author 1 collection XwinNMR 3.5 Bruker 2 processing NMRPipe 2.1 Frank Delaglio 3 data analysis NMRView 5 Bruce Johnson 4 structure solution CYANA 1.0.6 Peter Gunter 5 refinement Amber 7.0 David Case