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X-RAY DIFFRACTION
Materials and Methods page
4HA4
  •   Crystallization Hide
    Crystallization Experiments
    Method VAPOR DIFFUSION, HANGING DROP
    pH 7
    Temperature 293.0
    Details Protein solution (1.5mcl): 13mg/ml Asbeta-Gly, 0.025M NaCl, 0.025M Hepes (pH 7.5). Reservoir solution (1.5mcl): 1.0M succinic acid (pH 7.0), 0.1M Hepes (pH 7.0), 1% w/v polyethylene glycol monomethyl ether 2000. The crystal was soaked in a cryoprotection solution containing 20% v/v glycerol., VAPOR DIFFUSION, HANGING DROP, temperature 293K
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 84.12 α = 90
    b = 84.12 β = 90
    c = 166.27 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 0.9815
    Site KURCHATOV SNC
    Beamline K4.4
     
     
  •   Refinement Data Hide
    Reflection Details
    Resolution(High) 1.37
    Resolution(Low) 19.83
    Number Reflections(Observed) 124046
    Percent Possible(Observed) 98.8
    R Merge I(Observed) 0.063
    B(Isotropic) From Wilson Plot 20.1
     
    High Resolution Shell Details
    Resolution(High) 1.37
    Resolution(Low) 1.45
    Percent Possible(All) 96.5
    R Merge I(Observed) 0.81
    Mean I Over Sigma(Observed) 2.1
    Number Unique Reflections(All) 18722
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 1.37
    Resolution(Low) 19.827
    Number of Reflections(Observed) 117803
    Number of Reflections(R-Free) 6243
    Percent Reflections(Observed) 98.83
    R-Factor(Observed) 0.13213
    R-Work 0.13049
    R-Free 0.16333
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Mean Isotropic B Value 15.182
    Anisotropic B[1][1] -0.27
    Anisotropic B[1][2] 0.0
    Anisotropic B[1][3] 0.0
    Anisotropic B[2][2] -0.27
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] 0.55
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 1.37
    Shell Resolution(Low) 1.406
    Number of Reflections(R-Free) 432
    Number of Reflections(R-Work) 8083
    R-Factor(R-Work) 0.24
    R-Factor(R-Free) 0.282
    Percent Reflections(Observed) 93.01
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    r_sphericity_bonded 3.704
    r_sphericity_free 7.943
    r_rigid_bond_restr 1.387
    r_scangle_it 3.974
    r_scbond_it 2.945
    r_mcangle_it 2.075
    r_mcbond_other 0.722
    r_bond_refined_d 0.015
    r_bond_other_d 0.001
    r_angle_refined_deg 1.559
    r_angle_other_deg 0.927
    r_dihedral_angle_1_deg 6.226
    r_dihedral_angle_2_deg 32.875
    r_dihedral_angle_3_deg 12.343
    r_dihedral_angle_4_deg 15.576
    r_chiral_restr 0.114
    r_gen_planes_refined 0.009
    r_gen_planes_other 0.001
    r_mcbond_it 1.478
     
    Coordinate Error
    Luzzati ESD(Observed) 0.134
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 3909
    Nucleic Acid Atoms 0
    Heterogen Atoms 72
    Solvent Atoms 543
     
     
  •   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