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X-RAY DIFFRACTION
Materials and Methods page
4AS0
  •   Crystallization Hide
    Crystallization Experiments
    pH 7.5
    Details 200 MM SODIUM CITRATE, 100 MM HEPES, 30 % MPD, PH 7.5
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 99.2 α = 90
    b = 99.2 β = 90
    c = 80.6 γ = 120
     
    Space Group
    Space Group Name:    P 65
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 100
     
    Diffraction Detector
    Detector CCD (MARMOSAIC 225)
    Type MARRESEARCH
    Details PT COATED MIRRORS IN A KIRKPATRICK-BAEZ (KB) GEOMETRY
    Collection Date 2011-06-30
     
    Diffraction Radiation
    Monochromator SI(111)
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source SYNCHROTRON
    Type ESRF BEAMLINE ID23-2
    Wavelength 0.8726
    Site ESRF
    Beamline ID23-2
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma(I) -3.0
    Resolution(High) 2.3
    Resolution(Low) 25
    Number Reflections(Observed) 20098
    Percent Possible(Observed) 99.8
    R Merge I(Observed) 0.13
    B(Isotropic) From Wilson Plot 28.3
    Redundancy 6.4
     
    High Resolution Shell Details
    Resolution(High) 2.3
    Resolution(Low) 2.4
    Percent Possible(All) 100.0
    R Merge I(Observed) 0.52
    Mean I Over Sigma(Observed) 4.81
    Redundancy 6.4
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 2.3
    Resolution(Low) 24.8
    Number of Reflections(Observed) 19383
    Number of Reflections(R-Free) 711
    Percent Reflections(Observed) 99.9
    R-Factor(Observed) 0.17176
    R-Work 0.1706
    R-Free 0.20127
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Mean Isotropic B Value 23.991
    Anisotropic B[1][1] 1.05
    Anisotropic B[1][2] 0.53
    Anisotropic B[1][3] 0.0
    Anisotropic B[2][2] 1.05
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] -1.58
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 2.3
    Shell Resolution(Low) 2.359
    Number of Reflections(R-Free) 42
    Number of Reflections(R-Work) 1438
    R-Factor(R-Work) 0.195
    R-Factor(R-Free) 0.205
    Percent Reflections(Observed) 99.93
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    r_scangle_it 3.61
    r_scbond_it 2.117
    r_mcangle_it 1.55
    r_mcbond_other 0.121
    r_mcbond_it 0.79
    r_gen_planes_other 0.001
    r_gen_planes_refined 0.006
    r_chiral_restr 0.077
    r_dihedral_angle_4_deg 17.674
    r_dihedral_angle_3_deg 12.834
    r_dihedral_angle_2_deg 34.199
    r_dihedral_angle_1_deg 5.828
    r_angle_other_deg 0.845
    r_angle_refined_deg 1.442
    r_bond_other_d 0.001
    r_bond_refined_d 0.014
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 2200
    Nucleic Acid Atoms 0
    Heterogen Atoms 29
    Solvent Atoms 138
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (intensity integration) XDS
    Data Reduction (data scaling) XSCALE
    Structure Solution PHASER
    Structure Refinement REFMAC 5.5.0109
     
    Software
    refinement REFMAC version: 5.5.0109
    model building PHASER