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X-RAY DIFFRACTION
Materials and Methods page
1K28
  •   Crystallization Hide
    Crystallization Experiments
    Method VAPOR DIFFUSION, HANGING DROP
    pH 8.5
    Temperature 279.0
    Details PEG 8000, Tris, Glycerol, pH 8.5, VAPOR DIFFUSION, HANGING DROP, temperature 279K
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 139.26 α = 90
    b = 139.26 β = 90
    c = 382 γ = 120
     
    Space Group
    Space Group Name:    H 3 2
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 100
     
    Diffraction Detector
    Detector CCD
    Type ADSC QUANTUM 4
    Details bent cylindrical Si-mirror (Rh coating)
    Collection Date 2001-03-02
     
    Diffraction Radiation
    Monochromator Si(111) double-crystal monochromator
    Diffraction Protocol MAD
     
    Diffraction Source
    Source SYNCHROTRON
    Type APS BEAMLINE 14-BM-D
    Wavelength List 0.9786, 0.9783, 1.0188, 0.9414
    Site APS
    Beamline 14-BM-D
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma (F) 0.0
    Observed Criterion Sigma(I) 0.0
    Resolution(High) 2.9
    Resolution(Low) 50
    Number Reflections(All) 32046
    Number Reflections(Observed) 31712
    Percent Possible(Observed) 99.0
    R Merge I(Observed) 0.081
    B(Isotropic) From Wilson Plot 66.4
    Redundancy 5.5
     
    High Resolution Shell Details
    Resolution(High) 2.9
    Resolution(Low) 2.95
    Percent Possible(All) 99.4
    R Merge I(Observed) 0.289
    Mean I Over Sigma(Observed) 10.3
    R-Sym I(Observed) 0.289
    Redundancy 4.5
    Number Unique Reflections(All) 1581
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MAD
    reflnsShellList 2.9
    Resolution(Low) 50.0
    Cut-off Sigma(F) 0.0
    Number of Reflections(all) 32046
    Number of Reflections(Observed) 31712
    Number of Reflections(R-Free) 1602
    Percent Reflections(Observed) 5.1
    R-Factor(All) 0.214
    R-Factor(Observed) 0.214
    R-Work 0.211
    R-Free 0.28
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Data Not Available
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    c_improper_angle_d 0.82
    c_dihedral_angle_d 25.0
    c_angle_deg 1.3
    c_bond_d 0.007
     
    Coordinate Error
    Luzzati ESD(Observed) 0.34
    Luzzati Sigma A(Observed) 0.37
    Luzzati Resolution Cutoff(Low) 5.0
    Luzzati ESD(R-Free Set) 0.47
    Luzzati Sigma A(R-Free Set) 0.48
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 7221
    Nucleic Acid Atoms 0
    Heterogen Atoms 4
    Solvent Atoms 389
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (intensity integration) DENZO
    Data Reduction (data scaling) SCALEPACK
    Structure Solution MLPHARE
    Structure Refinement CNS 1.0
     
    Software
    refinement CNS version: 1.0
    model building MLPHARE