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X-RAY DIFFRACTION
Materials and Methods page
3DNU
  •   Crystallization Hide
    Crystallization Experiments
    Method VAPOR DIFFUSION, HANGING DROP
    pH 7.5
    Temperature 298.0
    Details peg 8000, glycerol, phosphate buffer, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 298K
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 48.66 α = 90
    b = 85.81 β = 90
    c = 49.67 γ = 90
     
    Space Group
    Space Group Name:    P 1 21 1
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 100
     
    Diffraction Detector
    Detector CCD
    Type ADSC QUANTUM 4
    Details mirrors
    Collection Date 2007-04-12
     
    Diffraction Radiation
    Monochromator graphite
    Diffraction Protocol MAD
     
    Diffraction Source
    Source SYNCHROTRON
    Type ALS BEAMLINE 8.2.1
    Wavelength List 0.9797, 1.02, 0.9796
    Site ALS
    Beamline 8.2.1
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma (F) 0.0
    Observed Criterion Sigma(I) 0.0
    Resolution(High) 1.54
    Resolution(Low) 43
    Number Reflections(All) 60000
    Number Reflections(Observed) 59003
    Percent Possible(Observed) 98.0
    R Merge I(Observed) 0.054
    B(Isotropic) From Wilson Plot 21.9
    Redundancy 3.0
     
    High Resolution Shell Details
    Resolution(High) 1.54
    Resolution(Low) 1.64
    R Merge I(Observed) 0.38
    Mean I Over Sigma(Observed) 2.0
    R-Sym I(Observed) 0.35
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MAD
    reflnsShellList 1.54
    Resolution(Low) 42.99
    Cut-off Sigma(I) 0.0
    Cut-off Sigma(F) 0.0
    Number of Reflections(Observed) 58978
    Number of Reflections(R-Free) 5982
    Percent Reflections(Observed) 97.7
    R-Factor(All) 0.195
    R-Factor(Observed) 0.195
    R-Work 0.195
    R-Free 0.232
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Isotropic Thermal Model RESTRAINED
    Mean Isotropic B Value 26.0
    Anisotropic B[1][1] -4.23
    Anisotropic B[1][2] 0.0
    Anisotropic B[1][3] 0.0
    Anisotropic B[2][2] -2.87
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] 7.1
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 1.54
    Shell Resolution(Low) 1.64
    Number of Reflections(R-Free) 968
    Number of Reflections(R-Work) 8750
    R-Factor(R-Work) 0.296
    R-Factor(R-Free) 0.338
    R-Free Error 0.011
    Percent Reflections(Observed) 97.2
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    c_improper_angle_d 1.12
    c_dihedral_angle_d 23.2
    c_angle_deg 1.6
    c_bond_d 0.013
     
    Coordinate Error
    Luzzati ESD(Observed) 0.18
    Luzzati Sigma A(Observed) 0.19
    Luzzati Resolution Cutoff(Low) 5.0
    Luzzati ESD(R-Free Set) 0.21
    Luzzati Sigma A(R-Free Set) 0.21
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 3243
    Nucleic Acid Atoms 0
    Heterogen Atoms 16
    Solvent Atoms 371
     
     
  •   Software and Computing Hide
    Computing
    Data Collection ADSC Quantum
    Data Reduction (intensity integration) MOSFLM
    Data Reduction (data scaling) SCALA
    Structure Solution SOLVE
    Structure Refinement CNS 1.1
     
    Software
    refinement CNS version: 1.1