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X-RAY DIFFRACTION
Materials and Methods page
1KID
  •   Crystallization Hide
    Crystallization Experiments
    pH 8.5
    Details pH 8.5
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 47.72 α = 90
    b = 63.81 β = 90
    c = 75.1 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 IMAGE PLATE
    Type MARRESEARCH
    Collection Date 1996-06-16
     
    Diffraction Radiation
     
    Diffraction Source
    Source SYNCHROTRON
    Type EMBL/DESY, HAMBURG BEAMLINE X31
    Wavelength 1.07
    Site EMBL/DESY, HAMBURG
    Beamline X31
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma(I) 3.0
    Resolution(High) 1.7
    Resolution(Low) 12.8
    Number Reflections(Observed) 25290
    Percent Possible(Observed) 97.6
    R Merge I(Observed) 0.047
    B(Isotropic) From Wilson Plot 16.5
    Redundancy 4.9
     
    High Resolution Shell Details
    Resolution(High) 1.7
    Resolution(Low) 1.8
    Percent Possible(All) 85.6
    R Merge I(Observed) 0.217
    Mean I Over Sigma(Observed) 3.2
    Redundancy 4.4
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 1.7
    Resolution(Low) 12.8
    Cut-off Sigma(F) 0.0
    Number of Reflections(Observed) 25290
    Number of Reflections(R-Free) 2443
    Percent Reflections(Observed) 97.6
    R-Work 0.18
    R-Free 0.224
     
    Temperature Factor Modeling
    Mean Isotropic B Value 17.13
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    p_transverse_tor 27.2
    p_staggered_tor 15.5
    p_planar_tor 4.2
    p_xyhbond_nbd 0.185
    p_multtor_nbd 0.269
    p_bond_d 0.016
    p_angle_d 0.031
    p_planar_d 0.035
    p_mcbond_it 1.435
    p_mcangle_it 1.961
    p_scbond_it 2.309
    p_scangle_it 3.498
    p_plane_restr 0.0247
    p_chiral_restr 0.144
    p_singtor_nbd 0.181
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 1440
    Nucleic Acid Atoms 0
    Heterogen Atoms 0
    Solvent Atoms 292
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (intensity integration) MOSFLM
    Data Reduction (data scaling) CCP4 (SCALA)
    Structure Solution AMORE
    Structure Refinement REFMAC
     
    Software
    refinement REFMAC
    model building AMORE