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X-RAY DIFFRACTION
Materials and Methods page
4J7N
  •   Crystallization Hide
    Crystallization Experiments
    Method VAPOR DIFFUSION, HANGING DROP
    pH 7.5
    Temperature 293.0
    Details 20% w/v PEG3350, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 49.91 α = 90
    b = 87.46 β = 113.69
    c = 53.27 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 315
    Details MIRRORS
    Collection Date 2010-04-28
     
    Diffraction Radiation
    Monochromator SI(111)
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source SYNCHROTRON
    Type NSLS BEAMLINE X29A
    Wavelength List 1.075
    Site NSLS
    Beamline X29A
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma(I) -3.0
    Resolution(High) 1.5
    Resolution(Low) 50
    Number Reflections(Observed) 66690
    Percent Possible(Observed) 99.6
    R Merge I(Observed) 0.067
    B(Isotropic) From Wilson Plot 13.9
    Redundancy 4.1
     
    High Resolution Shell Details
    Resolution(High) 1.5
    Resolution(Low) 1.55
    Percent Possible(All) 97.6
    R Merge I(Observed) 0.438
    Mean I Over Sigma(Observed) 2.9
    Redundancy 3.6
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method DIFFERENCE FOURIER
    reflnsShellList 1.5
    Resolution(Low) 40.51
    Cut-off Sigma(F) 0.0
    Number of Reflections(Observed) 64292
    Number of Reflections(R-Free) 3264
    Percent Reflections(Observed) 95.9
    R-Factor(All) 0.18
    R-Factor(Observed) 0.172
    R-Work 0.172
    R-Free 0.2
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Isotropic Thermal Model RESTRAINED
    Mean Isotropic B Value 17.2
    Anisotropic B[1][1] -0.83
    Anisotropic B[1][2] 0.0
    Anisotropic B[1][3] 0.94
    Anisotropic B[2][2] 0.24
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] 0.59
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 1.5
    Shell Resolution(Low) 1.55
    Number of Reflections(R-Free) 313
    Number of Reflections(R-Work) 5550
    R-Factor(R-Work) 0.236
    R-Factor(R-Free) 0.263
    R-Free Error 0.015
    Percent Reflections(Observed) 87.5
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    c_scangle_it 4.65
    c_scbond_it 3.22
    c_mcangle_it 2.52
    c_mcbond_it 1.74
    c_improper_angle_d 1.49
    c_bond_d 0.011
    c_angle_deg 1.6
    c_dihedral_angle_d 24.6
     
    Coordinate Error
    Luzzati ESD(Observed) 0.15
    Luzzati Sigma A(Observed) 0.1
    Luzzati Resolution Cutoff(Low) 5.0
    Luzzati ESD(R-Free Set) 0.17
    Luzzati Sigma A(R-Free Set) 0.12
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 2889
    Nucleic Acid Atoms 0
    Heterogen Atoms 124
    Solvent Atoms 442
     
     
  •   Software and Computing Hide
    Computing
    Data Collection CBASS
    Data Reduction (intensity integration) DENZO
    Data Reduction (data scaling) SCALEPACK
    Structure Solution CNS
    Structure Refinement CNS 1.3
     
    Software
    refinement CNS version: 1.3
    model building CNS
    data collection CBASS