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X-RAY DIFFRACTION
Materials and Methods page
4AQP
  •   Crystallization Hide
    Crystallization Experiments
    pH 6.5
    Details PROTEIN SAMPLES AT 20 MG/ML CRYSTALLISED IN 0.1 M MES, PH 6.5, 10% W/V PWG 20000 AT ROOM TEMPERATURE.
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 47.54 α = 90
    b = 82.7 β = 90
    c = 137.11 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 CCD
    Type ADSC
    Collection Date 2007-09-21
     
    Diffraction Radiation
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source SYNCHROTRON
    Type DIAMOND BEAMLINE I04
    Wavelength 0.9697
    Site DIAMOND
    Beamline I04
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma(I) 0.0
    Resolution(High) 2.45
    Resolution(Low) 70.9
    Number Reflections(Observed) 16989
    Percent Possible(Observed) 82.7
    R Merge I(Observed) 0.1
    B(Isotropic) From Wilson Plot 47.71
    Redundancy 6.3
     
    High Resolution Shell Details
    Resolution(High) 2.45
    Resolution(Low) 2.58
    Percent Possible(All) 32.5
    R Merge I(Observed) 0.7
    Mean I Over Sigma(Observed) 4.5
    Redundancy 6.1
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 2.452
    Resolution(Low) 44.916
    Cut-off Sigma(F) 1.38
    Number of Reflections(Observed) 16984
    Number of Reflections(R-Free) 856
    Percent Reflections(Observed) 82.7
    R-Factor(Observed) 0.2201
    R-Work 0.2175
    R-Free 0.2672
     
    Temperature Factor Modeling
    Mean Isotropic B Value 53.45
    Anisotropic B[1][1] -1.7993
    Anisotropic B[1][2] 0.0
    Anisotropic B[1][3] 0.0
    Anisotropic B[2][2] 1.3985
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] 0.4007
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 2.452
    Shell Resolution(Low) 2.6056
    Number of Reflections(R-Free) 51
    Number of Reflections(R-Work) 1134
    R-Factor(R-Work) 0.3165
    R-Factor(R-Free) 0.4943
    Percent Reflections(Observed) 35.0
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 2.6056
    Shell Resolution(Low) 2.8068
    Number of Reflections(R-Free) 114
    Number of Reflections(R-Work) 2192
    R-Factor(R-Work) 0.2918
    R-Factor(R-Free) 0.3432
    Percent Reflections(Observed) 68.0
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 2.8068
    Shell Resolution(Low) 3.0892
    Number of Reflections(R-Free) 150
    Number of Reflections(R-Work) 3040
    R-Factor(R-Work) 0.279
    R-Factor(R-Free) 0.303
    Percent Reflections(Observed) 95.0
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 3.0892
    Shell Resolution(Low) 3.536
    Number of Reflections(R-Free) 185
    Number of Reflections(R-Work) 3168
    R-Factor(R-Work) 0.2481
    R-Factor(R-Free) 0.2889
    Percent Reflections(Observed) 99.0
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 3.536
    Shell Resolution(Low) 4.4544
    Number of Reflections(R-Free) 170
    Number of Reflections(R-Work) 3228
    R-Factor(R-Work) 0.1935
    R-Factor(R-Free) 0.2444
    Percent Reflections(Observed) 99.0
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 4.4544
    Shell Resolution(Low) 44.9233
    Number of Reflections(R-Free) 186
    Number of Reflections(R-Work) 3366
    R-Factor(R-Work) 0.184
    R-Factor(R-Free) 0.2409
    Percent Reflections(Observed) 98.0
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    f_plane_restr 0.004
    f_chiral_restr 0.05
    f_dihedral_angle_d 13.714
    f_angle_d 0.723
    f_bond_d 0.008
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 3844
    Nucleic Acid Atoms 0
    Heterogen Atoms 10
    Solvent Atoms 64
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (intensity integration) IMOSFLM
    Data Reduction (data scaling) SCALA
    Structure Solution PHENIX
    Structure Refinement PHENIX (PHENIX.REFINE)
     
    Software
    refinement PHENIX version: (PHENIX.REFINE)
    model building PHENIX