POP-OUT | CLOSE
 
X-RAY DIFFRACTION
Materials and Methods page
3IKQ
  •   Crystallization Hide
    Crystallization Experiments
    Method VAPOR DIFFUSION, SITTING DROP
    pH 8
    Temperature 293.0
    Details PEG 4000, tris, pH 8.0, VAPOR DIFFUSION, SITTING DROP, temperature 293K
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 55.91 α = 90
    b = 108.78 β = 90.19
    c = 56.08 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 MAR CCD 130 mm
    Collection Date 2004-04-19
     
    Diffraction Radiation
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source SYNCHROTRON
    Type ESRF BEAMLINE ID13
    Wavelength List 0.954
    Site ESRF
    Beamline ID13
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma (F) 0.0
    Observed Criterion Sigma(I) 0.0
    Resolution(High) 2.25
    Resolution(Low) 30.45
    Number Reflections(All) 31524
    Number Reflections(Observed) 31524
    Percent Possible(Observed) 99.0
    R Merge I(Observed) 0.059
    Redundancy 3.4
     
    High Resolution Shell Details
    Resolution(High) 2.25
    Resolution(Low) 2.37
    Percent Possible(All) 97.4
    R Merge I(Observed) 0.222
    Mean I Over Sigma(Observed) 4.1
    R-Sym I(Observed) 0.222
    Redundancy 2.8
    Number Unique Reflections(All) 4483
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method isomorphous to native crystals
    reflnsShellList 2.25
    Resolution(Low) 30.45
    Cut-off Sigma(F) 0.0
    Number of Reflections(Observed) 31496
    Number of Reflections(R-Free) 1586
    Percent Reflections(Observed) 98.9
    R-Work 0.202
    R-Free 0.239
    R-Free Selection Details random
     
    Temperature Factor Modeling
    Isotropic Thermal Model isotropic
    Mean Isotropic B Value 26.46
    Anisotropic B[1][1] -3.902
    Anisotropic B[1][2] 0.0
    Anisotropic B[1][3] 1.701
    Anisotropic B[2][2] -1.997
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] 5.899
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 2.25
    Shell Resolution(Low) 2.33
    Number of Reflections(Observed) 3107
    Number of Reflections(R-Free) 156
    R-Factor(R-Work) 0.2489
    R-Factor(R-Free) 0.311
    Percent Reflections(Observed) 97.0
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 2.33
    Shell Resolution(Low) 2.42
    Number of Reflections(Observed) 3020
    Number of Reflections(R-Free) 153
    R-Factor(R-Work) 0.2319
    R-Factor(R-Free) 0.3005
    Percent Reflections(Observed) 97.0
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 2.42
    Shell Resolution(Low) 2.53
    Number of Reflections(Observed) 3114
    Number of Reflections(R-Free) 149
    R-Factor(R-Work) 0.2244
    R-Factor(R-Free) 0.2742
    Percent Reflections(Observed) 97.0
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 2.53
    Shell Resolution(Low) 2.67
    Number of Reflections(Observed) 3156
    Number of Reflections(R-Free) 157
    R-Factor(R-Work) 0.2293
    R-Factor(R-Free) 0.2873
    Percent Reflections(Observed) 99.0
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 2.67
    Shell Resolution(Low) 2.83
    Number of Reflections(Observed) 3136
    Number of Reflections(R-Free) 144
    R-Factor(R-Work) 0.2213
    R-Factor(R-Free) 0.2762
    Percent Reflections(Observed) 99.5
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 2.83
    Shell Resolution(Low) 3.05
    Number of Reflections(Observed) 3191
    Number of Reflections(R-Free) 166
    R-Factor(R-Work) 0.2044
    R-Factor(R-Free) 0.2508
    Percent Reflections(Observed) 100.0
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    c_scangle_it 3.408
    c_mcangle_it 2.125
    c_scbond_it 2.239
    c_mcbond_it 1.32
     
    Coordinate Error
    Luzzati ESD(Observed) 0.26
    Luzzati Sigma A(Observed) 0.23
    Luzzati ESD(R-Free Set) 0.31
    Luzzati Sigma A(R-Free Set) 0.31
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 3336
    Nucleic Acid Atoms 0
    Heterogen Atoms 46
    Solvent Atoms 182
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (intensity integration) MOSFLM
    Data Reduction (data scaling) SCALA
    Structure Refinement CNS
     
    Software
    data extraction pdb_extract version: 3.005
    refinement CNS
    density modification CNS
    data processing SCALA version: CCP4_3.1.4
    reflection data processing Mosflm version: Version 6.2.3