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SOLUTION NMR
Materials and Methods page
2MEQ
  •   NMR Eperiment Details Hide
    Representative Model Choice Rationale
    lowest energy  
     
    Spectrometer Info
    Field Strength 400.0
    Manufacturer Varian
    Model Mercury
    Field Strength 700.0
    Manufacturer Bruker
    Model Avance
     
    Sample Conditions
    IDs solution ID:1 condition ID:1
    Sample Contents 1.0 mM RNA (5'-P(GP*GP*CP*CP*GP*UP*AP*AP*CP*UP*AP*UP*AP*AP*CP*GP*GP*UP*C)-3'), 10 mM Potassium Phosphate, 50 mM Potassium Chloride, 0.1 mM EDTA, 100% D2O
    Solvent System 100% D2O
    Ionic Strength 70
    pH 7.3
    Pressure ambient
    Temperature 298.2
    IDs solution ID:2 condition ID:1
    Sample Contents 1.0 mM RNA (5'-P(GP*GP*CP*CP*GP*UP*AP*AP*CP*UP*AP*UP*AP*AP*CP*GP*GP*UP*C)-3'), 10 mM Potassium Phosphate, 50 mM Potassium Chloride, 0.1 mM EDTA, 90% H2O/10% D2O
    Solvent System 90% H2O/10% D2O
    Ionic Strength 70
    pH 7.3
    Pressure ambient
    Temperature 298.2
    IDs solution ID:3 condition ID:1
    Sample Contents 1.0 mM [U-100% 13C; U-100% 15N] RNA (5'-P(GP*GP*CP*CP*GP*UP*AP*AP*CP*UP*AP*UP*AP*AP*CP*GP*GP*UP*C)-3'), 10 mM Potassium Phosphate, 50 mM Potassium Chloride, 0.1 mM EDTA, 100% D2O
    Solvent System 100% D2O
    Ionic Strength 70
    pH 7.3
    Pressure ambient
    Temperature 298.2
     
     
  •   NMR Refinement Information Hide
    Refinement
    Method simulated annealing, molecular dynamics, torsion angle dynamics
     
  •   NMR Ensemble Information Hide
    Ensemble
    Conformer Selection Criteria CONVERGED LOWEST ENERGY STRUCTURES
    Conformers Calculated Total Number 100
    Conformers Submitted Total Number 10
     
  •   NMR Experimental Information Hide
    Experiment
    IDs experiment ID:1 solution ID:1 conditons ID:1
    Type 2D 1H-13C NATURAL ABUNDANCE HMQC
    IDs experiment ID:10 solution ID:3 conditons ID:1
    Type 3D 1H-13C-1H HCCH-TOCSY
    IDs experiment ID:11 solution ID:3 conditons ID:1
    Type 3D 1H-13C-13C HCCH-TOCSY
    IDs experiment ID:12 solution ID:3 conditons ID:1
    Type 3D 1H-1H-13C NOESY-HMQC
    IDs experiment ID:2 solution ID:1 conditons ID:1
    Type 2D 1H-1H NOESY
    IDs experiment ID:3 solution ID:1 conditons ID:1
    Type 2D DQF-COSY
    IDs experiment ID:4 solution ID:1 conditons ID:1
    Type 3D 1H-1H-1H TOCSY-NOESY
    IDs experiment ID:5 solution ID:1 conditons ID:1
    Type 2D 1H-31P HETCOR
    IDs experiment ID:6 solution ID:1 conditons ID:1
    Type 1D 31P
    IDs experiment ID:7 solution ID:2 conditons ID:1
    Type 2D 1H-1H NOESY
    IDs experiment ID:8 solution ID:3 conditons ID:1
    Type 2D 1H-13C HSQC
    IDs experiment ID:9 solution ID:3 conditons ID:1
    Type 3D 1H-13C-1H HCCH-COSY
     
  •   Software and Computing Hide
    NMR Software
    Authors Bruker Biospin
    Classification processing
    Software Name TOPSPIN
    Authors Bruker Biospin
    Classification collection
    Software Name TOPSPIN
    Authors Brunger, Adams, Clore, Gros, Nilges and Read
    Classification refinement
    Software Name CNS 1.2
    Authors Brunger, Adams, Clore, Gros, Nilges and Read
    Classification structure solution
    Software Name CNS 1.2
    Authors Goddard
    Classification data analysis
    Software Name SPARKY
    Authors Goddard
    Classification chemical shift assignment
    Software Name SPARKY