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X-RAY DIFFRACTION
Materials and Methods page
2XKW
  •   Crystallization Hide
    Crystallization Experiments
    pH 7.5
    Details PROTEIN CONC. 17MG/ML, 50 MM TRIS PH 8.0,0.1M NACL, 0.5 MM DTT, 2 MM EDTA. RESERVOIR: 20% PEG4000,10% ISOPROPANOL, 0.1M HEPES PH 7.5 , VAPOR DIFFUSION,TEMPERATURE 292K
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 92.86 α = 90
    b = 60.41 β = 103.01
    c = 119.85 γ = 90
     
    Space Group
    Space Group Name:    C 1 2 1
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 100
     
    Diffraction Detector
    Detector IMAGE PLATE
    Type MARRESEARCH
    Details MIRRORS
    Collection Date 2005-01-18
     
    Diffraction Radiation
    Monochromator SI-111 CRYSTAL
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source SYNCHROTRON
    Type BESSY BEAMLINE 14.2
    Wavelength 0.9184
    Site BESSY
    Beamline 14.2
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma(I) 0.0
    Resolution(High) 2.01
    Resolution(Low) 20
    Number Reflections(Observed) 39168
    Percent Possible(Observed) 97.2
    R Merge I(Observed) 0.04
    B(Isotropic) From Wilson Plot 34.8
    Redundancy 3.1
     
    High Resolution Shell Details
    Resolution(High) 2.01
    Resolution(Low) 2.08
    Percent Possible(All) 63.1
    R Merge I(Observed) 0.29
    Mean I Over Sigma(Observed) 2.5
    Redundancy 2.4
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 2.02
    Resolution(Low) 20.0
    Cut-off Sigma(F) 0.0
    Number of Reflections(Observed) 39168
    Number of Reflections(R-Free) 2104
    Percent Reflections(Observed) 97.2
    R-Factor(Observed) 0.164
    R-Work 0.162
    R-Free 0.202
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Mean Isotropic B Value 33.61
    Anisotropic B[1][1] -0.82
    Anisotropic B[1][2] 0.0
    Anisotropic B[1][3] 0.09
    Anisotropic B[2][2] 2.2
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] -1.34
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 2.02
    Shell Resolution(Low) 2.09
    Number of Reflections(R-Free) 169
    Number of Reflections(R-Work) 3067
    R-Factor(R-Work) 0.201
    R-Factor(R-Free) 0.285
    Percent Reflections(Observed) 78.85
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    r_scangle_it 11.83
    r_scbond_it 9.432
    r_mcangle_it 5.959
    r_mcbond_other 1.66
    r_mcbond_it 4.856
    r_nbd_refined 0.217
    r_gen_planes_other 0.001
    r_gen_planes_refined 0.005
    r_chiral_restr 0.105
    r_dihedral_angle_4_deg 16.245
    r_dihedral_angle_3_deg 15.56
    r_dihedral_angle_2_deg 37.686
    r_dihedral_angle_1_deg 5.199
    r_angle_other_deg 0.939
    r_angle_refined_deg 1.36
    r_bond_other_d 0.001
    r_bond_refined_d 0.012
    r_nbd_other 0.163
    r_nbtor_refined 0.181
    r_nbtor_other 0.085
    r_xyhbond_nbd_refined 0.132
    r_symmetry_vdw_refined 0.205
    r_symmetry_vdw_other 0.178
    r_symmetry_hbond_refined 0.101
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 4145
    Nucleic Acid Atoms 0
    Heterogen Atoms 78
    Solvent Atoms 182
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (intensity integration) HKL2000
    Data Reduction (data scaling) SCALEPACK
    Structure Solution PHASER
    Structure Refinement REFMAC 5.2.0005
     
    Software
    refinement REFMAC version: 5.2.0005
    model building PHASER