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X-RAY DIFFRACTION
Materials and Methods page
4MEH
  •   Crystallization Hide
    Crystallization Experiments
    Method VAPOR DIFFUSION, HANGING DROP
    pH 6.5
    Temperature 294.0
    Details 10% PEG 8000, 1 M lithium chloride, 50mM magnesium acetate, 50mM calcium chloride, 1mM spermine, 50mM cacodylate, 50mM HEPES, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 294K
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 177.91 α = 90
    b = 41.17 β = 90
    c = 75.85 γ = 90
     
    Space Group
    Space Group Name:    P 21 21 2
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 100
     
    Diffraction Detector
    Detector CCD
    Type ADSC QUANTUM 315r
     
    Diffraction Radiation
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source SYNCHROTRON
    Type ALS BEAMLINE 5.0.2
    Wavelength List 1.0000
    Site ALS
    Beamline 5.0.2
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma (F) 0.0
    Observed Criterion Sigma(I) 3.2
    Resolution(High) 3.1
    Resolution(Low) 30
    Number Reflections(Observed) 9873
    Percent Possible(Observed) 96.9
    R Merge I(Observed) 0.027
    Redundancy 4.1
     
    High Resolution Shell Details
    Resolution(High) 3.1
    Resolution(Low) 3.15
    Percent Possible(All) 96.1
    R Merge I(Observed) 1.123
    Mean I Over Sigma(Observed) 3.2
    Redundancy 4.1
    Number Unique Reflections(All) 476
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 3.12
    Resolution(Low) 28.86
    Cut-off Sigma(F) 0.0
    Number of Reflections(all) 9861
    Number of Reflections(Observed) 9861
    Number of Reflections(R-Free) 747
    Percent Reflections(Observed) 93.6
    R-Factor(All) 0.231
    R-Factor(Observed) 0.231
    R-Work 0.231
    R-Free 0.273
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Isotropic Thermal Model RESTRAINED
    Mean Isotropic B Value 106.0
    Anisotropic B[1][1] 1.26
    Anisotropic B[1][2] 0.0
    Anisotropic B[1][3] 0.0
    Anisotropic B[2][2] -20.43
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] 19.17
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 3.1
    Shell Resolution(Low) 3.29
    R-Factor(R-Work) 0.222
    Percent Reflections(Observed) 77.0
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    c_improper_angle_d 1.36
    c_bond_d 0.004
    c_angle_deg 0.9
    c_dihedral_angle_d 14.1
     
    Coordinate Error
    Luzzati ESD(Observed) 0.37
    Luzzati Sigma A(Observed) 0.05
    Luzzati Resolution Cutoff(Low) 5.0
    Luzzati ESD(R-Free Set) 0.41
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 0
    Nucleic Acid Atoms 2996
    Heterogen Atoms 9
    Solvent Atoms 2
     
     
  •   Software and Computing Hide
    Computing
    Data Collection HKL-2000
    Data Reduction (intensity integration) HKL-2000
    Data Reduction (data scaling) HKL-2000
    Structure Solution Phaser
    Structure Refinement CNS 1.2
     
    Software
    refinement CNS version: 1.2
    model building Phaser
    data collection HKL-2000