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An Information Portal to 105339 Biological Macromolecular Structures

X-RAY DIFFRACTION
Materials and Methods page
1OS3
  •   Crystallization Hide
    Crystallization Experiments
    Method SLOW COOLING
    pH 6.3
    Temperature 295.0
    Details hydrochloric acid, zinc acetate, sodium citrate, acetone, pH 6.3, SLOW COOLING, temperature 295.0K
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 81.51 α = 90
    b = 81.51 β = 90
    c = 33.76 γ = 120
     
    Space Group
    Space Group Name:    H 3
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 100
     
    Diffraction Detector
    Detector IMAGE PLATE
    Type RIGAKU RAXIS IV
    Details mirrors
    Collection Date 2002-06-26
     
    Diffraction Radiation
    Monochromator Osmic confocal diffraction mirrors
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source ROTATING ANODE
    Type RIGAKU
    Wavelength List 1.5418
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma (F) 0.0
    Observed Criterion Sigma(I) 0.0
    Resolution(High) 1.95
    Resolution(Low) 16.42
    Number Reflections(All) 22524
    Number Reflections(Observed) 6070
    Percent Possible(Observed) 99.7
    R Merge I(Observed) 0.045
    B(Isotropic) From Wilson Plot 33.4
    Redundancy 3.7
     
    High Resolution Shell Details
    Resolution(High) 1.95
    Resolution(Low) 2.02
    Percent Possible(All) 100.0
    R Merge I(Observed) 0.175
    Mean I Over Sigma(Observed) 3.67
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 1.95
    Resolution(Low) 16.42
    Cut-off Sigma(I) 0.0
    Cut-off Sigma(F) 0.0
    Number of Reflections(all) 6070
    Number of Reflections(Observed) 6070
    Number of Reflections(R-Free) 662
    Percent Reflections(Observed) 99.7
    R-Work 0.216
    R-Free 0.253
    R-Free Selection Details Random
     
    Temperature Factor Modeling
    Isotropic Thermal Model Isotropic
    Mean Isotropic B Value 37.2
    Anisotropic B[1][1] -0.67
    Anisotropic B[1][2] 2.15
    Anisotropic B[1][3] 0.0
    Anisotropic B[2][2] -0.67
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] 1.34
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 1.95
    Shell Resolution(Low) 2.07
    Number of Reflections(Observed) 1008
    Number of Reflections(R-Free) 98
    Number of Reflections(R-Work) 910
    R-Factor(R-Work) 0.26
    R-Factor(R-Free) 0.339
    R-Free Error 0.034
    Percent Reflections(Observed) 100.0
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    c_scangle_it 3.13
    c_scbond_it 2.05
    c_mcangle_it 2.7
    c_mcbond_it 1.66
    c_improper_angle_d 0.67
    c_dihedral_angle_d 20.2
    c_angle_deg 1.1
    c_bond_d 0.006
     
    Coordinate Error
    Luzzati ESD(Observed) 0.23
    Luzzati Sigma A(Observed) 0.14
    Luzzati Resolution Cutoff(Low) 5.0
    Luzzati ESD(R-Free Set) 0.28
    Luzzati Sigma A(R-Free Set) 0.18
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 764
    Nucleic Acid Atoms 0
    Heterogen Atoms 4
    Solvent Atoms 40
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (intensity integration) CRYSTALCLEAR (MSC/RIGAKU)
    Data Reduction (data scaling) D*TREK
    Structure Solution CNS
    Structure Refinement CNS
     
    Software
    refinement CNS
    model building CNS
    data reduction d*Trek
    data collection Crystalclear