POP-OUT | CLOSE
 
X-RAY DIFFRACTION
Materials and Methods page
3VLK
  •   Crystallization Hide
    Crystallization Experiments
    Method VAPOR DIFFUSION, HANGING DROP
    pH 6
    Temperature 298.0
    Details 2.92-3.0M ammonium sulfate, 0.5M potassium chloride, 20mM sodium phosphate, pH 6, VAPOR DIFFUSION, HANGING DROP, temperature 298K
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 321.24 α = 90
    b = 76.67 β = 99.54
    c = 74.71 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 AREA DETECTOR
    Type ADSC QUANTUM 4r
    Collection Date 2007-04-17
     
    Diffraction Radiation
    Monochromator SAGITALLY FOCUSED Si(111)
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source SYNCHROTRON
    Type PHOTON FACTORY BEAMLINE BL-17A
    Wavelength List 1
    Site PHOTON FACTORY
    Beamline BL-17A
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma (F) 1.0
    Observed Criterion Sigma(I) 1.0
    Resolution(High) 1.79
    Resolution(Low) 50
    Number Reflections(All) 120317
    Number Reflections(Observed) 120317
    Percent Possible(Observed) 99.9
    R Merge I(Observed) 0.138
    B(Isotropic) From Wilson Plot 11.8
    Redundancy 3.6
     
    High Resolution Shell Details
    Resolution(High) 1.79
    Resolution(Low) 1.85
    Percent Possible(All) 99.9
    R Merge I(Observed) 0.696
    Mean I Over Sigma(Observed) 4.7
    Redundancy 3.4
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 2.0
    Resolution(Low) 49.97
    Cut-off Sigma(F) 0.0
    Number of Reflections(all) 167587
    Number of Reflections(Observed) 120317
    Number of Reflections(R-Free) 5914
    Percent Reflections(Observed) 99.4
    R-Factor(Observed) 0.242
    R-Work 0.242
    R-Free 0.27
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Isotropic Thermal Model RESTRAINED
    Mean Isotropic B Value 22.4
    Anisotropic B[1][1] -7.31
    Anisotropic B[1][2] 0.0
    Anisotropic B[1][3] -4.84
    Anisotropic B[2][2] -5.99
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] 13.3
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 2.0
    Shell Resolution(Low) 2.13
    Number of Reflections(R-Free) 997
    Number of Reflections(R-Work) 18903
    R-Factor(R-Work) 0.248
    R-Factor(R-Free) 0.287
    R-Free Error 0.009
    Percent Reflections(Observed) 99.1
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    c_improper_angle_d 1.0
    c_bond_d 0.008
    c_angle_deg 1.6
    c_dihedral_angle_d 22.0
     
    Coordinate Error
    Luzzati ESD(Observed) 0.27
    Luzzati Sigma A(Observed) 0.11
    Luzzati Resolution Cutoff(Low) 5.0
    Luzzati ESD(R-Free Set) 0.31
    Luzzati Sigma A(R-Free Set) 0.17
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 11238
    Nucleic Acid Atoms 0
    Heterogen Atoms 86
    Solvent Atoms 164
     
     
  •   Software and Computing Hide
    Computing
    Data Collection ADSC Quantum
    Data Reduction (intensity integration) HKL-2000
    Data Reduction (data scaling) HKL-2000
    Structure Solution CNS
    Structure Refinement CNS 1.1
     
    Software
    refinement CNS version: 1.1
    model building CNS
    data collection ADSC version: Quantum