POP-OUT | CLOSE
 
X-RAY DIFFRACTION
Materials and Methods page
1Q1S
  •   Crystallization Hide
    Crystallization Experiments
    Method VAPOR DIFFUSION, HANGING DROP
    pH 6.5
    Temperature 293.0
    Details Sodium Citrate, DTT, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 78.83 α = 90
    b = 89.75 β = 90
    c = 99.71 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 2000-04-14
     
    Diffraction Radiation
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source SYNCHROTRON
    Type SSRL BEAMLINE BL7-1
    Wavelength List 0.97
    Site SSRL
    Beamline BL7-1
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma(I) 0.0
    Resolution(High) 2.3
    Resolution(Low) 99
    Number Reflections(All) 32147
    Number Reflections(Observed) 32147
    Percent Possible(Observed) 99.4
    R Merge I(Observed) 0.059
    B(Isotropic) From Wilson Plot 24.9
    Redundancy 8.5
     
    High Resolution Shell Details
    Resolution(High) 2.3
    Resolution(Low) 2.38
    Percent Possible(All) 95.8
    R Merge I(Observed) 0.234
    Mean I Over Sigma(Observed) 5.3
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method FOURIER SYNTHESIS
    reflnsShellList 2.3
    Resolution(Low) 28.65
    Cut-off Sigma(F) 0.0
    Number of Reflections(all) 31890
    Number of Reflections(Observed) 31890
    Number of Reflections(R-Free) 2229
    Percent Reflections(Observed) 99.3
    R-Factor(Observed) 0.198
    R-Work 0.198
    R-Free 0.221
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Isotropic Thermal Model RESTRAINED
    Mean Isotropic B Value 40.0
    Anisotropic B[1][1] -1.35
    Anisotropic B[1][2] 0.0
    Anisotropic B[1][3] 0.0
    Anisotropic B[2][2] -7.75
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] 9.09
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 2.3
    Shell Resolution(Low) 2.44
    Number of Reflections(Observed) 5125
    Number of Reflections(R-Free) 369
    Number of Reflections(R-Work) 4756
    R-Factor(R-Work) 0.224
    R-Factor(R-Free) 0.259
    R-Free Error 0.013
    Percent Reflections(Observed) 97.5
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    c_scangle_it 3.31
    c_scbond_it 2.25
    c_mcangle_it 2.13
    c_mcbond_it 1.32
    c_improper_angle_d 1.03
    c_bond_d 0.008
    c_angle_deg 1.7
    c_dihedral_angle_d 19.3
     
    Coordinate Error
    Luzzati ESD(Observed) 0.25
    Luzzati Sigma A(Observed) 0.2
    Luzzati Resolution Cutoff(Low) 5.0
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 3459
    Nucleic Acid Atoms 0
    Heterogen Atoms 0
    Solvent Atoms 305
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (intensity integration) DENZO
    Data Reduction (data scaling) SCALEPACK
    Structure Solution CNS
    Structure Refinement CNS 1.0
     
    Software
    refinement CNS version: 1.0