POP-OUT | CLOSE
 
X-RAY DIFFRACTION
Materials and Methods page
1IDK
  •   Crystallization Hide
    Crystallization Experiments
    pH 8.5
    Details 28% PEG 4000, 100 MM SODIUM ACETATE, 100 MM TRIS-HCL AT PH 8.5
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 45.4 α = 90
    b = 83.5 β = 90
    c = 93.4 γ = 90
     
    Space Group
    Space Group Name:    P 21 21 21
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 290
     
    Diffraction Detector
    Detector IMAGE PLATE
    Type MARRESEARCH
    Collection Date 1994-06-09
     
    Diffraction Radiation
     
    Diffraction Source
    Source SYNCHROTRON
    Type SRS BEAMLINE PX9.6
    Wavelength 0.87
    Site SRS
    Beamline PX9.6
     
     
  •   Refinement Data Hide
    Reflection Details
    Resolution(High) 1.93
    Resolution(Low) 25.44
    Number Reflections(Observed) 25695
    Percent Possible(Observed) 94.0
    R Merge I(Observed) 0.061
    B(Isotropic) From Wilson Plot 23.66
    Redundancy 3.1
     
    High Resolution Shell Details
    Resolution(High) 1.93
    Resolution(Low) 1.97
    Percent Possible(All) 72.3
    R Merge I(Observed) 0.25
    Mean I Over Sigma(Observed) 5.3
    Redundancy 2.2
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MR + MIR
    reflnsShellList 1.93
    Resolution(Low) 15.0
    Cut-off Sigma(F) 2.0
    Number of Reflections(Observed) 23147
    Number of Reflections(R-Free) 1122
    Percent Reflections(Observed) 84.5
    R-Factor(Observed) 0.188
    R-Work 0.188
    R-Free 0.232
    R-Free Selection Details FREERFLAG (CCP4 2.15)
     
    Temperature Factor Modeling
    Mean Isotropic B Value 32.7
    Anisotropic B[1][1] -12.8
    Anisotropic B[1][2] 0.0
    Anisotropic B[1][3] 0.0
    Anisotropic B[2][2] 7.01
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] 5.78
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 1.93
    Shell Resolution(Low) 1.97
    Number of Reflections(R-Free) 53
    Number of Reflections(R-Work) 1101
    R-Factor(R-Work) 0.286
    R-Factor(R-Free) 0.268
    Percent Reflections(Observed) 61.7
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    x_scangle_it 1.66
    x_scbond_it 1.38
    x_improper_angle_d 1.22
    x_bond_d 0.01
    x_angle_deg 1.6
    x_dihedral_angle_d 27.4
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 2675
    Nucleic Acid Atoms 0
    Heterogen Atoms 0
    Solvent Atoms 175
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (intensity integration) MOSFLM
    Data Reduction (data scaling) CCP4 V. 2.13 (AGROVATA, ROTAVATA)
    Structure Solution X-PLOR 3.1
    Structure Refinement X-PLOR 3.1
     
    Software
    refinement X-PLOR version: 3.1
    model building X-PLOR version: 3.1
    data reduction AGROVATA version: (CCP4 2.13)
    data reduction ROTAVATA
    data collection MOSFLM