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X-RAY DIFFRACTION
Materials and Methods page
4JWM
  •   Crystallization Hide
    Crystallization Experiments
    Method VAPOR DIFFUSION, SITTING DROP
    pH 7.5
    Temperature 291.0
    Details 50 mM Imidazole, 350 mM Sodium Acetate, 18 % PEG3350, pH 7.5, VAPOR DIFFUSION, SITTING DROP, temperature 291K
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 50.66 α = 90
    b = 79.76 β = 107.47
    c = 55.64 γ = 90
     
    Space Group
    Space Group Name:    P 1 21 1
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 200
     
    Diffraction Detector
    Detector CCD
    Type RIGAKU SATURN 92
    Details Viramax
    Collection Date 2007-03-28
     
    Diffraction Radiation
    Monochromator Viramax
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source ROTATING ANODE
    Type RIGAKU MICROMAX-007 HF
    Wavelength List 1.5418
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma (F) 0.0
    Observed Criterion Sigma(I) 2.0
    Resolution(High) 2
    Resolution(Low) 50
    Number Reflections(All) 28347
    Number Reflections(Observed) 28347
    Percent Possible(Observed) 99.1
    B(Isotropic) From Wilson Plot 11.1
    Redundancy 3.3
     
    High Resolution Shell Details
    Resolution(High) 2.0
    Resolution(Low) 2.07
    Percent Possible(All) 96.8
    R Merge I(Observed) 0.446
    Mean I Over Sigma(Observed) 2.8
    Redundancy 3.1
    Number Unique Reflections(All) 2747
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 2.0
    Resolution(Low) 22.57
    Cut-off Sigma(F) 0.0
    Number of Reflections(all) 28347
    Number of Reflections(Observed) 26058
    Number of Reflections(R-Free) 2609
    Percent Reflections(Observed) 91.1
    R-Factor(Observed) 0.192
    R-Work 0.192
    R-Free 0.233
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Isotropic Thermal Model RESTRAINED
    Mean Isotropic B Value 26.9
    Anisotropic B[1][1] 2.46
    Anisotropic B[1][2] 0.0
    Anisotropic B[1][3] 0.88
    Anisotropic B[2][2] 0.17
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] -2.62
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 2.0
    Shell Resolution(Low) 2.13
    Number of Reflections(Observed) 2747
    Number of Reflections(R-Free) 428
    Number of Reflections(R-Work) 3780
    R-Factor(R-Work) 0.227
    R-Factor(R-Free) 0.275
    R-Free Error 0.013
    Percent Reflections(Observed) 88.7
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    c_scangle_it 2.96
    c_scbond_it 2.01
    c_mcangle_it 2.01
    c_mcbond_it 1.34
    c_improper_angle_d 0.93
    c_dihedral_angle_d 24.1
    c_angle_deg 1.0
    c_bond_d 0.005
     
    Coordinate Error
    Luzzati ESD(Observed) 0.22
    Luzzati Sigma A(Observed) 0.18
    Luzzati Resolution Cutoff(Low) 5.0
    Luzzati ESD(R-Free Set) 0.28
    Luzzati Sigma A(R-Free Set) 0.23
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 2615
    Nucleic Acid Atoms 631
    Heterogen Atoms 36
    Solvent Atoms 449
     
     
  •   Software and Computing Hide
    Computing
    Data Collection HKL-2000
    Data Reduction (intensity integration) HKL-2000
    Data Reduction (data scaling) HKL-2000
    Structure Solution CNS
    Structure Refinement CNS 1.1
     
    Software
    refinement CNS version: 1.1
    model building CNS
    data collection HKL-2000