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X-RAY DIFFRACTION
Materials and Methods page
4HA3
  •   Crystallization Hide
    Crystallization Experiments
    Method VAPOR DIFFUSION, HANGING DROP
    pH 6.5
    Temperature 293.0
    Details Protein solution (1.5mcl): 15mg/ml Asbeta-Gly, 0.025M NaCl, 0.05M Tris (pH 8.0). Reservoir solution (1.5mcl): 0.04M cellobiose, 0.16M magnesium acetate, 0.08M sodium cacodylate (pH 6.5), 16% w/v polyethylene glycol 8000, 20% v/v glycerol., VAPOR DIFFUSION, HANGING DROP, temperature 293K
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 84.18 α = 90
    b = 84.18 β = 90
    c = 166.22 γ = 90
     
    Space Group
    Space Group Name:    P 42 21 2
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 100
     
    Diffraction Detector
    Detector CCD
    Type MAR CCD 165 mm
    Collection Date 2010-06-01
     
    Diffraction Radiation
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source SYNCHROTRON
    Type KURCHATOV SNC BEAMLINE K4.4
    Wavelength List 0.9779
    Site KURCHATOV SNC
    Beamline K4.4
     
     
  •   Refinement Data Hide
    Reflection Details
    Resolution(High) 1.46
    Resolution(Low) 19.84
    Number Reflections(All) 102050
    Number Reflections(Observed) 102050
    Percent Possible(Observed) 98.0
    R Merge I(Observed) 0.063
    B(Isotropic) From Wilson Plot 20.3
     
    High Resolution Shell Details
    Resolution(High) 1.46
    Resolution(Low) 1.55
    Percent Possible(All) 91.1
    R Merge I(Observed) 0.519
    Mean I Over Sigma(Observed) 4.5
    Number Unique Reflections(All) 15340
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 1.46
    Resolution(Low) 19.841
    Number of Reflections(Observed) 96870
    Number of Reflections(R-Free) 5109
    Percent Reflections(Observed) 97.96
    R-Factor(Observed) 0.14394
    R-Work 0.14314
    R-Free 0.15886
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Mean Isotropic B Value 14.262
    Anisotropic B[1][1] -0.26
    Anisotropic B[1][2] 0.0
    Anisotropic B[1][3] 0.0
    Anisotropic B[2][2] -0.26
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] 0.51
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 1.46
    Shell Resolution(Low) 1.498
    Number of Reflections(R-Free) 322
    Number of Reflections(R-Work) 6135
    R-Factor(R-Work) 0.23
    R-Factor(R-Free) 0.25
    Percent Reflections(Observed) 85.4
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    r_scangle_it 3.081
    r_scbond_it 1.975
    r_mcangle_it 1.337
    r_mcbond_other 0.228
    r_bond_refined_d 0.015
    r_bond_other_d 0.001
    r_angle_refined_deg 1.531
    r_angle_other_deg 0.882
    r_dihedral_angle_1_deg 6.175
    r_dihedral_angle_2_deg 33.266
    r_dihedral_angle_3_deg 11.759
    r_dihedral_angle_4_deg 16.422
    r_chiral_restr 0.099
    r_gen_planes_refined 0.008
    r_gen_planes_other 0.001
    r_mcbond_it 0.774
     
    Coordinate Error
    Luzzati ESD(Observed) 0.134
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 3906
    Nucleic Acid Atoms 0
    Heterogen Atoms 38
    Solvent Atoms 516
     
     
  •   Software and Computing Hide
    Computing
    Data Collection Automar
    Data Reduction (intensity integration) XDS
    Data Reduction (data scaling) XSCALE
    Structure Solution BALBES
    Structure Refinement REFMAC 5.5.0072
     
    Software
    refinement REFMAC version: 5.5.0072
    model building BALBES
    data collection Automar