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X-RAY DIFFRACTION
Materials and Methods page
4B3W
  •   Crystallization Hide
    Crystallization Experiments
    pH 4.5
    Details 18% PEG 4000, 0.2M NACL, 0.05M NA-ACETATE (PH 4.1-4.6), 0.01M K-FERRICYANIDE, 1MM KCN
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 48.84 α = 90
    b = 70.05 β = 90
    c = 102.07 γ = 90
     
    Space Group
    Space Group Name:    P 21 21 21
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 100
     
    Diffraction Detector
    Detector CCD
    Type MARRESEARCH
     
    Diffraction Radiation
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source SYNCHROTRON
    Type ESRF BEAMLINE ID23-2
    Wavelength 1.0
    Site ESRF
    Beamline ID23-2
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma(I) 3.0
    Resolution(High) 2.8
    Resolution(Low) 57.7
    Number Reflections(Observed) 9092
    Percent Possible(Observed) 99.8
    R Merge I(Observed) 0.11
    Redundancy 3.5
     
    High Resolution Shell Details
    Resolution(High) 2.8
    Resolution(Low) 2.95
    Percent Possible(All) 100.0
    R Merge I(Observed) 0.42
    Mean I Over Sigma(Observed) 3.3
    Redundancy 3.6
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 2.8
    Resolution(Low) 57.74
    Number of Reflections(Observed) 8150
    Number of Reflections(R-Free) 907
    Percent Reflections(Observed) 99.7
    R-Factor(Observed) 0.21371
    R-Work 0.20658
    R-Free 0.27727
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Mean Isotropic B Value 41.453
    Anisotropic B[1][1] -3.71
    Anisotropic B[1][2] 0.0
    Anisotropic B[1][3] 0.0
    Anisotropic B[2][2] -1.35
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] 5.05
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 2.8
    Shell Resolution(Low) 2.873
    Number of Reflections(R-Free) 73
    Number of Reflections(R-Work) 584
    R-Factor(R-Work) 0.255
    R-Factor(R-Free) 0.336
    Percent Reflections(Observed) 100.0
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    r_scangle_it 1.167
    r_scbond_it 0.674
    r_mcangle_it 0.427
    r_mcbond_it 0.212
    r_gen_planes_refined 0.004
    r_chiral_restr 0.073
    r_dihedral_angle_4_deg 21.782
    r_dihedral_angle_3_deg 20.116
    r_dihedral_angle_2_deg 33.315
    r_dihedral_angle_1_deg 4.422
    r_angle_refined_deg 1.02
    r_bond_refined_d 0.007
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 2462
    Nucleic Acid Atoms 0
    Heterogen Atoms 120
    Solvent Atoms 22
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (intensity integration) MOSFLM
    Data Reduction (data scaling) SCALA
    Structure Solution PHASER
    Structure Refinement REFMAC 5.5.0102
     
    Software
    refinement REFMAC version: 5.5.0102
    model building PHASER