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X-RAY DIFFRACTION
Materials and Methods page
2FI4
  •   Crystallization Hide
    Crystallization Experiments
    Method VAPOR DIFFUSION, HANGING DROP
    pH 7.5
    Temperature 296.0
    Details 2 M ammonium sulfate, 0.1 M HEPES, 0.02% sodium azide , pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 296K
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 74.78 α = 90
    b = 82.43 β = 90
    c = 123.96 γ = 90
     
    Space Group
    Space Group Name:    I 2 2 2
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 100
     
    Diffraction Detector
    Detector CCD
    Type NONIUS KAPPA CCD2000
    Details OSMIC CONFOCAL MAX-FLUX (GREEN)
    Collection Date 2005-01-01
     
    Diffraction Radiation
    Monochromator OSMIC CONFOCAL MAX-FLUX (GREEN)
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source ROTATING ANODE
    Type ENRAF-NONIUS FR591
    Wavelength List 1.5418
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma (F) 0.0
    Observed Criterion Sigma(I) -3.0
    Resolution(High) 1.58
    Resolution(Low) 50
    Number Reflections(All) 52683
    Number Reflections(Observed) 51888
    Percent Possible(Observed) 98.5
    R Merge I(Observed) 0.048
    B(Isotropic) From Wilson Plot 21.8
    Redundancy 7.7
     
    High Resolution Shell Details
    Resolution(High) 1.58
    Resolution(Low) 1.64
    Percent Possible(All) 90.9
    R Merge I(Observed) 0.247
    Mean I Over Sigma(Observed) 4.4
    Redundancy 4.1
    Number Unique Reflections(All) 4747
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 1.58
    Resolution(Low) 20.0
    Cut-off Sigma(I) -3.0
    Cut-off Sigma(F) 0.0
    Number of Reflections(all) 52743
    Number of Reflections(Observed) 51872
    Number of Reflections(R-Free) 4226
    Percent Reflections(Observed) 98.3
    R-Factor(All) 0.2186
    R-Factor(Observed) 0.2186
    R-Work 0.2172
    R-Free 0.2347
    R-Free Selection Details RANDOM, same test set as for pdb ID 2FI3
     
    Temperature Factor Modeling
    Isotropic Thermal Model ISOTROPIC
    Mean Isotropic B Value 16.0
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 1.58
    Shell Resolution(Low) 1.68
    Number of Reflections(Observed) 7990
    Number of Reflections(R-Free) 678
    R-Factor(R-Work) 0.307
    R-Factor(R-Free) 0.316
    Percent Reflections(Observed) 91.9
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 1.68
    Shell Resolution(Low) 1.81
    Number of Reflections(Observed) 8624
    Number of Reflections(R-Free) 697
    R-Factor(R-Work) 0.253
    R-Factor(R-Free) 0.293
    Percent Reflections(Observed) 99.0
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 1.81
    Shell Resolution(Low) 1.99
    Number of Reflections(Observed) 8715
    Number of Reflections(R-Free) 682
    R-Factor(R-Work) 0.246
    R-Factor(R-Free) 0.281
    Percent Reflections(Observed) 99.9
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 1.99
    Shell Resolution(Low) 2.28
    Number of Reflections(Observed) 8742
    Number of Reflections(R-Free) 714
    R-Factor(R-Work) 0.226
    R-Factor(R-Free) 0.244
    Percent Reflections(Observed) 100.0
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 2.28
    Shell Resolution(Low) 2.87
    Number of Reflections(Observed) 8834
    Number of Reflections(R-Free) 698
    R-Factor(R-Work) 0.213
    R-Factor(R-Free) 0.232
    Percent Reflections(Observed) 99.9
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 2.87
    Shell Resolution(Low) 20.0
    Number of Reflections(Observed) 8967
    Number of Reflections(R-Free) 757
    R-Factor(R-Work) 0.184
    R-Factor(R-Free) 0.193
    Percent Reflections(Observed) 99.2
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    c_scangle_it 2.165
    c_scbond_it 1.516
    c_mcangle_it 1.558
    c_mcbond_it 1.025
    c_improper_angle_d 0.0
    c_bond_d 0.005
    c_angle_deg 1.34
    c_dihedral_angle_d 25.5
     
    Coordinate Error
    Luzzati ESD(Observed) 0.21
    Luzzati Sigma A(Observed) 0.2
    Luzzati Resolution Cutoff(Low) 5.0
    Luzzati ESD(R-Free Set) 0.23
    Luzzati Sigma A(R-Free Set) 0.22
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 2074
    Nucleic Acid Atoms 0
    Heterogen Atoms 67
    Solvent Atoms 240
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (intensity integration) HKL-2000
    Data Reduction (data scaling) SCALEPACK
    Structure Solution CNS
    Structure Refinement CNS 1.1
     
    Software
    refinement CNS version: 1.1
    model building CNS
    data reduction SCALEPACK
    data collection HKL-2000