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X-RAY DIFFRACTION
Materials and Methods page
4JRD
  •   Crystallization Hide
    Crystallization Experiments
    Method VAPOR DIFFUSION, SITTING DROP
    Temperature 294.0
    Details RNA WATER SOLUTION PLUS BUFFER (10 MM HEPES, 50 MM NACL, 0.5 MM TCEP, PH 7.0) MIXED 1:1 V/V WITH 2 M (NH4)2SO4 + 0.2 M NH4NO3 AND EQUILIBRATED AGAINST 2 M (NH4)2SO4 + 0.2 M NH4NO3, VAPOR DIFFUSION, SITTING DROP, temperature 294K
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 22.8 α = 90
    b = 22.8 β = 90
    c = 163.7 γ = 90
     
    Space Group
    Space Group Name:    P 41 21 2
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 100
    Diffrn ID 2
    Data Collection Temperature 100
    Diffrn ID 3
    Data Collection Temperature 100
    Diffrn ID 4
    Data Collection Temperature 100
     
    Diffraction Detector
    Detector CCD
    Type ADSC QUANTUM 210
    Details FOCUSING MIRRORS
    Collection Date 2010-10-21
    Detector CCD
    Type ADSC QUANTUM 210
    Details FOCUSING MIRRORS
    Collection Date 2010-10-21
    Detector CCD
    Type ADSC QUANTUM 210
    Details FOCUSING MIRRORS
    Collection Date 2010-10-21
    Detector CCD
    Type MARMOSAIC 300 mm CCD
    Details FOCUSING MIRRORS
    Collection Date 2010-05-29
     
    Diffraction Radiation
    Monochromator Horizontal focusing 5.05 asymmetric cut Si(111)
    Diffraction Protocol SINGLE WAVELENGTH
    Monochromator Horizontal focusing 5.05 asymmetric cut Si(111)
    Diffraction Protocol SINGLE WAVELENGTH
    Monochromator Horizontal focusing 5.05 asymmetric cut Si(111)
    Diffraction Protocol SINGLE WAVELENGTH
    Monochromator SI 111 DOUBLE
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source SYNCHROTRON
    Type CHESS BEAMLINE A1
    Wavelength 0.987
    Site CHESS
    Beamline A1
    Source SYNCHROTRON
    Type CHESS BEAMLINE A1
    Wavelength 0.987
    Site CHESS
    Beamline A1
    Source SYNCHROTRON
    Type CHESS BEAMLINE A1
    Wavelength 0.987
    Site CHESS
    Beamline A1
    Source SYNCHROTRON
    Type CLSI BEAMLINE 08ID-1
    Wavelength 0.977
    Site CLSI
    Beamline 08ID-1
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma (F) 4.0
    Observed Criterion Sigma(I) -3.0
    Resolution(High) 1
    Resolution(Low) 41
    Number Reflections(All) 23042
    Number Reflections(Observed) 22972
    Percent Possible(Observed) 92.6
    R Merge I(Observed) 0.0944
    Redundancy 2.73
     
    High Resolution Shell Details
    Resolution(High) 1.0
    Resolution(Low) 1.1
    Percent Possible(All) 73.1
    R Merge I(Observed) 0.1419
    Mean I Over Sigma(Observed) 4.72
    Redundancy 1.2
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method AB INITIO PHASING
    reflnsShellList 1.0
    Resolution(Low) 41.0
    Cut-off Sigma(F) 1.0
    Number of Reflections(all) 23042
    Number of Reflections(Observed) 22972
    Number of Reflections(R-Free) 1152
    Percent Reflections(Observed) 92.6
    R-Factor(Observed) 0.126
    R-Work 0.118
    R-Free 0.158
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Data Not Available
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    s_approx_iso_adps 0.1
    s_similar_adp_cmpnt 0.015
    s_rigid_bond_adp_cmpnt 0.005
    s_anti_bump_dis_restr 0.021
    s_from_restr_planes 0.038
    s_angle_d 0.021
    s_bond_d 0.007
     
    Coordinate Error
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 0
    Nucleic Acid Atoms 478
    Heterogen Atoms 18
    Solvent Atoms 76
     
     
  •   Software and Computing Hide
    Computing
    Data Collection MxDC
    Data Reduction (intensity integration) HKL-2000
    Data Reduction (data scaling) HKL-2000
    Structure Solution SHELXD
    Structure Refinement SHELXL
     
    Software
    refinement SHELXL
    model building SHELXD
    data collection MxDC