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An Information Portal to 105097 Biological Macromolecular Structures

X-RAY DIFFRACTION
Materials and Methods page
1OKW
  •   Crystallization Hide
    Crystallization Experiments
    pH 7.8
    Details 22% PEG 3350, 0.1M NA3-CIT, PH 7.80
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 74.54 α = 90
    b = 114.05 β = 90
    c = 156.18 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
    Details MIRRORS
    Collection Date 2003-09-15
     
    Diffraction Radiation
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source SYNCHROTRON
    Type ESRF BEAMLINE ID14-1
    Wavelength 0.933
    Site ESRF
    Beamline ID14-1
     
     
  •   Refinement Data Hide
    Reflection Details
    Resolution(High) 2.9
    Resolution(Low) 20
    Number Reflections(Observed) 44559
    Percent Possible(Observed) 99.0
    R Merge I(Observed) 0.105
    Redundancy 3.5
     
    High Resolution Shell Details
    Resolution(High) 2.5
    Resolution(Low) 2.64
    Percent Possible(All) 96.0
    R Merge I(Observed) 0.474
    Mean I Over Sigma(Observed) 1.0
    Redundancy 3.5
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 2.5
    Resolution(Low) 15.0
    Number of Reflections(Observed) 44755
    Number of Reflections(R-Free) 1430
    Percent Reflections(Observed) 99.1
    R-Factor(Observed) 0.175
    R-Work 0.173
    R-Free 0.253
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Mean Isotropic B Value 42.8
    Anisotropic B[1][1] -7.28
    Anisotropic B[1][2] 0.0
    Anisotropic B[1][3] 0.0
    Anisotropic B[2][2] 2.91
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] 4.37
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 2.5
    Shell Resolution(Low) 2.56
    Number of Reflections(R-Free) 96
    Number of Reflections(R-Work) 3050
    R-Factor(R-Work) 0.208
    R-Factor(R-Free) 0.241
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    r_scangle_it 10.699
    r_scbond_it 7.159
    r_mcangle_it 5.105
    r_mcbond_it 3.16
    r_nbd_refined 0.306
    r_gen_planes_other 0.008
    r_gen_planes_refined 0.013
    r_chiral_restr 0.1
    r_dihedral_angle_1_deg 8.932
    r_angle_other_deg 0.802
    r_angle_refined_deg 1.599
    r_bond_other_d 0.002
    r_bond_refined_d 0.011
    r_nbd_other 0.296
    r_nbtor_other 0.101
    r_xyhbond_nbd_refined 0.271
    r_symmetry_vdw_refined 0.307
    r_symmetry_vdw_other 0.268
    r_symmetry_hbond_refined 0.378
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 9030
    Nucleic Acid Atoms 0
    Heterogen Atoms 0
    Solvent Atoms 539
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (intensity integration) MOSFLM
    Data Reduction (data scaling) CCP4 (SCALA)
    Structure Refinement REFMAC 5.0
     
    Software
    refinement REFMAC version: 5.0