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X-RAY DIFFRACTION
Materials and Methods page
4B1A
  •   Crystallization Hide
    Crystallization Experiments
    pH 4.5
    Details 2-10% (M/V) NACL AND 0.1 M ACETATE BUFFER PH 4.5 (THE PROTEIN:WELL SOLUTION RATIO IN THE DROP WAS 1:1 WITH THE FINAL DROP VOLUME OF 4 MICROLITER USING A PROTEIN STOCK CONCENTRATION OF AROUND 50 MG/ML.
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 77.96 α = 90
    b = 77.96 β = 90
    c = 36.41 γ = 90
     
    Space Group
    Space Group Name:    P 43 21 2
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 160
     
    Diffraction Detector
    Detector CCD (QUANTUM 210)
    Type ADSC
     
    Diffraction Radiation
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source SYNCHROTRON
    Type ESRF BEAMLINE ID14-1
    Wavelength 0.934
    Site ESRF
    Beamline ID14-1
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma(I) -1.0
    Resolution(High) 1.67
    Resolution(Low) 30.38
    Number Reflections(Observed) 13544
    Percent Possible(Observed) 99.6
    R Merge I(Observed) 0.02
    Redundancy 13.5
     
    High Resolution Shell Details
    Resolution(High) 1.67
    Resolution(Low) 1.76
    Percent Possible(All) 100.0
    R Merge I(Observed) 0.1
    Mean I Over Sigma(Observed) 6.4
    Redundancy 13.4
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 1.67
    Resolution(Low) 30.38
    Number of Reflections(Observed) 12793
    Number of Reflections(R-Free) 667
    Percent Reflections(Observed) 99.48
    R-Factor(Observed) 0.21501
    R-Work 0.21249
    R-Free 0.26664
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Mean Isotropic B Value 22.674
    Anisotropic B[1][1] -1.47
    Anisotropic B[1][2] 0.0
    Anisotropic B[1][3] 0.0
    Anisotropic B[2][2] -1.47
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] 2.94
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 1.67
    Shell Resolution(Low) 1.713
    Number of Reflections(R-Free) 58
    Number of Reflections(R-Work) 911
    R-Factor(R-Work) 0.257
    R-Factor(R-Free) 0.266
    Percent Reflections(Observed) 100.0
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    r_scangle_it 4.522
    r_scbond_it 2.999
    r_mcangle_it 1.891
    r_mcbond_other 0.375
    r_mcbond_it 1.194
    r_gen_planes_other 0.001
    r_gen_planes_refined 0.011
    r_chiral_restr 0.12
    r_dihedral_angle_4_deg 20.704
    r_dihedral_angle_3_deg 14.229
    r_dihedral_angle_2_deg 36.837
    r_dihedral_angle_1_deg 7.299
    r_angle_other_deg 1.184
    r_angle_refined_deg 1.84
    r_bond_other_d 0.008
    r_bond_refined_d 0.022
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 987
    Nucleic Acid Atoms 0
    Heterogen Atoms 10
    Solvent Atoms 104
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (data scaling) SCALA
    Structure Solution PHASER
    Structure Refinement REFMAC 5.5.0109
     
    Software
    refinement REFMAC version: 5.5.0109
    model building PHASER