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X-RAY DIFFRACTION
Materials and Methods page
4A8P
  •   Crystallization Hide
    Crystallization Experiments
    pH 5.5
    Details 0.2 M AMMONIUM ACETATE, 25% POLYETHYLENE GLYCOL 3350, 0.1 M BIS-TRIS PH 5.5, 1 MM N5- (PHOSPHONOACETYL)-L-ORNITHINE
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 81.52 α = 105.43
    b = 81.71 β = 102.8
    c = 82.28 γ = 100.75
     
    Space Group
    Space Group Name:    P 1
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 100
     
    Diffraction Detector
    Detector CCD
    Type MARRESEARCH
    Collection Date 2009-12-13
     
    Diffraction Radiation
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source SYNCHROTRON
    Type ESRF BEAMLINE ID23-2
    Wavelength 0.873
    Site ESRF
    Beamline ID23-2
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma(I) 2.0
    Resolution(High) 2
    Resolution(Low) 30
    Number Reflections(Observed) 114553
    Percent Possible(Observed) 87.5
    R Merge I(Observed) 0.12
    B(Isotropic) From Wilson Plot 27.1
    Redundancy 1.6
     
    High Resolution Shell Details
    Resolution(High) 2.0
    Resolution(Low) 30.0
    Percent Possible(All) 87.5
    R Merge I(Observed) 0.42
    Mean I Over Sigma(Observed) 1.8
    Redundancy 1.6
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 2.0
    Resolution(Low) 25.0
    Number of Reflections(Observed) 108160
    Number of Reflections(R-Free) 5763
    Percent Reflections(Observed) 87.57
    R-Factor(Observed) 0.198
    R-Work 0.19593
    R-Free 0.23732
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Mean Isotropic B Value 33.299
    Anisotropic B[1][1] -0.59
    Anisotropic B[1][2] -1.12
    Anisotropic B[1][3] -0.94
    Anisotropic B[2][2] -0.41
    Anisotropic B[2][3] -1.11
    Anisotropic B[3][3] -0.42
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 2.0
    Shell Resolution(Low) 2.052
    Number of Reflections(R-Free) 424
    Number of Reflections(R-Work) 7930
    R-Factor(R-Work) 0.314
    R-Factor(R-Free) 0.35
    Percent Reflections(Observed) 87.6
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    r_scangle_it 1.321
    r_scbond_it 0.833
    r_mcangle_it 0.423
    r_mcbond_it 0.223
    r_gen_planes_refined 0.003
    r_chiral_restr 0.07
    r_dihedral_angle_4_deg 16.611
    r_dihedral_angle_3_deg 12.363
    r_dihedral_angle_2_deg 36.733
    r_dihedral_angle_1_deg 4.762
    r_angle_refined_deg 1.009
    r_bond_refined_d 0.008
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 15479
    Nucleic Acid Atoms 0
    Heterogen Atoms 114
    Solvent Atoms 535
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (intensity integration) MOSFLM
    Data Reduction (data scaling) SCALA
    Structure Solution MOLREP
    Structure Refinement REFMAC 5.5.0102
     
    Software
    refinement REFMAC version: 5.5.0102
    model building MOLREP