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X-RAY DIFFRACTION
Materials and Methods page
1RQH
  •   Crystallization Hide
    Crystallization Experiments
    Method VAPOR DIFFUSION, SITTING DROP
    pH 7
    Temperature 293.0
    Details PEG 4000, Tris, pH 7.0, VAPOR DIFFUSION, SITTING DROP, temperature 293K
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 96.03 α = 90
    b = 145.72 β = 90
    c = 78.75 γ = 90
     
    Space Group
    Space Group Name:    C 2 2 21
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 95
     
    Diffraction Detector
    Detector IMAGE PLATE
    Type RIGAKU RAXIS IV
    Collection Date 2003-05-22
     
    Diffraction Radiation
    Monochromator Yale mirrors
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source ROTATING ANODE
    Type RIGAKU RUH3R
    Wavelength 1.5418
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma (F) 0.0
    Observed Criterion Sigma(I) 0.0
    Resolution(High) 2
    Resolution(Low) 30
    Number Reflections(All) 37671
    Number Reflections(Observed) 34906
    Percent Possible(Observed) 92.8
    R Merge I(Observed) 0.087
    B(Isotropic) From Wilson Plot 17.2
    Redundancy 4.6
     
    High Resolution Shell Details
    Resolution(High) 2.0
    Resolution(Low) 2.07
    Percent Possible(All) 80.5
    R Merge I(Observed) 0.218
    Mean I Over Sigma(Observed) 4.3
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method Isomorphous replacement
    reflnsShellList 2.0
    Resolution(Low) 28.09
    Cut-off Sigma(F) 0.0
    Number of Reflections(all) 37671
    Number of Reflections(Observed) 34906
    Number of Reflections(R-Free) 1657
    Percent Reflections(Observed) 92.6
    R-Factor(All) 0.166
    R-Factor(Observed) 0.166
    R-Work 0.164
    R-Free 0.197
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Isotropic Thermal Model RESTRAINED
    Mean Isotropic B Value 32.6
    Anisotropic B[1][1] 0.18
    Anisotropic B[1][2] 0.0
    Anisotropic B[1][3] 0.0
    Anisotropic B[2][2] 0.13
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] -0.31
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 2.0
    Shell Resolution(Low) 2.13
    Number of Reflections(Observed) 5105
    Number of Reflections(R-Free) 260
    Number of Reflections(R-Work) 4845
    R-Factor(R-Work) 0.206
    R-Factor(R-Free) 0.244
    R-Free Error 0.015
    Percent Reflections(Observed) 82.2
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    c_scangle_it 4.42
    c_scbond_it 3.28
    c_mcangle_it 2.58
    c_mcbond_it 1.93
    c_improper_angle_d 1.01
    c_dihedral_angle_d 22.8
    c_angle_deg 1.2
    c_bond_d 0.007
     
    Coordinate Error
    Luzzati ESD(Observed) 0.19
    Luzzati Sigma A(Observed) 0.15
    Luzzati Resolution Cutoff(Low) 5.0
    Luzzati ESD(R-Free Set) 0.23
    Luzzati Sigma A(R-Free Set) 0.19
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 3665
    Nucleic Acid Atoms 0
    Heterogen Atoms 7
    Solvent Atoms 415
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (intensity integration) DENZO
    Data Reduction (data scaling) SCALEPACK
    Structure Solution CNS
    Structure Refinement CNS 1.1
     
    Software
    refinement CNS version: 1.1