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X-RAY DIFFRACTION
Materials and Methods page
2IW8
  •   Crystallization Hide
    Crystallization Experiments
    pH 7
    Details DROPLET CONTAINED PROTEIN AT A CONCENTRATION OF 10 MG ML-1 IN 40 MM HEPES PH 7.0 CONTAINING 1 MM DTT, 200 MM NACL, 5% V/V DMSO AND 1MM INHIBITOR. THE RESERVOIR SOLUTION CONTAINED 0.8 M KCL AND 1.2 M (NH4)2SO4 IN 40 MM HEPES PH 7.0 AND 5 MM DTT.
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 73.89 α = 90
    b = 135.32 β = 90
    c = 148.32 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 ADSC
    Collection Date 2002-11-21
     
    Diffraction Radiation
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source SYNCHROTRON
    Type ESRF BEAMLINE ID14-2
    Wavelength 0.933
    Site ESRF
    Beamline ID14-2
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma(I) 0.0
    Resolution(High) 2.3
    Resolution(Low) 65.9
    Number Reflections(Observed) 64531
    Percent Possible(Observed) 97.1
    R Merge I(Observed) 0.13
    Redundancy 2.6
     
    High Resolution Shell Details
    Resolution(High) 2.3
    Resolution(Low) 2.41
    Percent Possible(All) 94.4
    R Merge I(Observed) 0.32
    Mean I Over Sigma(Observed) 2.3
    Redundancy 2.5
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 2.3
    Resolution(Low) 100.0
    Number of Reflections(Observed) 61234
    Number of Reflections(R-Free) 3271
    Percent Reflections(Observed) 96.5
    R-Factor(Observed) 0.214
    R-Work 0.212
    R-Free 0.255
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Mean Isotropic B Value 14.38
    Anisotropic B[1][1] -1.25
    Anisotropic B[1][2] 0.0
    Anisotropic B[1][3] 0.0
    Anisotropic B[2][2] 0.73
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] 0.52
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 2.3
    Shell Resolution(Low) 2.36
    Number of Reflections(R-Free) 234
    Number of Reflections(R-Work) 4306
    R-Factor(R-Work) 0.235
    R-Factor(R-Free) 0.312
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    r_scangle_it 2.647
    r_scbond_it 1.731
    r_mcangle_it 1.134
    r_mcbond_it 0.69
    r_nbd_refined 0.204
    r_gen_planes_refined 0.005
    r_chiral_restr 0.092
    r_dihedral_angle_4_deg 17.618
    r_dihedral_angle_3_deg 16.99
    r_dihedral_angle_2_deg 41.327
    r_dihedral_angle_1_deg 5.91
    r_angle_refined_deg 1.409
    r_bond_refined_d 0.012
    r_nbtor_refined 0.302
    r_xyhbond_nbd_refined 0.187
    r_symmetry_vdw_refined 0.221
    r_symmetry_hbond_refined 0.175
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 8646
    Nucleic Acid Atoms 0
    Heterogen Atoms 68
    Solvent Atoms 309
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (intensity integration) MOSFLM
    Data Reduction (data scaling) CCP4 (SCALA)
    Structure Refinement REFMAC 5.2.0019
     
    Software
    refinement REFMAC version: 5.2.0019