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X-RAY DIFFRACTION
Materials and Methods page
3CC7
  •   Crystallization Hide
    Crystallization Experiments
    Method sitting drop
    pH 5.8
    Temperature 292.0
    Details PEG6000, KCL, NH4CL, MGCl2, pH 5.8, sitting drop, temperature 292K
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 212.83 α = 90
    b = 299.9 β = 90
    c = 576.01 γ = 90
     
    Space Group
    Space Group Name:    C 2 2 21
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 100
     
    Diffraction Detector
    Detector CCD
    Type ADSC
    Details 54-pole harmonic emission undulator, a vertically focusing mirror and a horizontally focusing monochromator
    Collection Date 2005-09-18
     
    Diffraction Radiation
    Monochromator Si(111)
    Diffraction Protocol single wavelength
     
    Diffraction Source
    Source SYNCHROTRON
    Type NSLS BEAMLINE X29A
    Wavelength List 0.9
    Site NSLS
    Beamline X29A
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma(I) 1.73
    Resolution(High) 2.7
    Resolution(Low) 50
    Number Reflections(All) 519260
    Number Reflections(Observed) 509913
    Percent Possible(Observed) 98.2
    R Merge I(Observed) 0.125
    B(Isotropic) From Wilson Plot 72.3
    Redundancy 5.9
     
    High Resolution Shell Details
    Resolution(High) 2.7
    Resolution(Low) 2.85
    Percent Possible(All) 98.7
    R Merge I(Observed) 0.877
    Mean I Over Sigma(Observed) 1.8
    Redundancy 5.2
    Number Unique Reflections(All) 45662
     
     
  •   Refinement Hide
    Refinement Statistics
    reflnsShellList 2.7
    Resolution(Low) 49.83
    Cut-off Sigma(F) 0.0
    Number of Reflections(Observed) 462394
    Number of Reflections(R-Free) 4546
    Percent Reflections(Observed) 92.7
    R-Work 0.184
    R-Free 0.226
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Isotropic Thermal Model RESTRAINED
    Mean Isotropic B Value 52.8
    Anisotropic B[1][1] 3.34
    Anisotropic B[1][2] 0.0
    Anisotropic B[1][3] 0.0
    Anisotropic B[2][2] 0.23
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] -3.57
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 2.7
    Shell Resolution(Low) 2.87
    Number of Reflections(R-Free) 643
    Number of Reflections(R-Work) 64118
    R-Factor(R-Work) 0.333
    R-Factor(R-Free) 0.342
    R-Free Error 0.013
    Percent Reflections(Observed) 78.4
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    c_scangle_it 2.27
    c_scbond_it 1.5
    c_mcangle_it 2.06
    c_mcbond_it 1.18
    c_improper_angle_d 1.3
    c_dihedral_angle_d 15.9
    c_angle_deg 1.0
    c_bond_d 0.007
     
    Coordinate Error
    Luzzati ESD(Observed) 0.28
    Luzzati Sigma A(Observed) 0.47
    Luzzati Resolution Cutoff(Low) 5.0
    Luzzati ESD(R-Free Set) 0.35
    Luzzati Sigma A(R-Free Set) 0.49
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 29375
    Nucleic Acid Atoms 61619
    Heterogen Atoms 305
    Solvent Atoms 7823
     
     
  •   Software and Computing Hide
    Computing
    Data Collection CBASS
    Data Reduction (intensity integration) HKL-2000
    Data Reduction (data scaling) HKL-2000
    Structure Solution CNS
    Structure Refinement CNS 1.0
     
    Software
    data extraction pdb_extract version: 3.004
    refinement CNS version: 1.0