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X-RAY DIFFRACTION
Materials and Methods page
1QIO
  •   Crystallization Hide
    Crystallization Experiments
    pH 4.7
    Details CRYSTALLIZED FROM 2-6% NACL, 0.2 M SODIUM ACETATE PH 4.7.
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 76.93 α = 90
    b = 76.93 β = 90
    c = 37.21 γ = 90
     
    Space Group
    Space Group Name:    P 43 21 2
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 100
     
    Diffraction Detector
    Detector CCD
    Type ADSC QUANTUM 4
    Details BENT TORROIDAL MIRROR
    Collection Date 1999-05-15
     
    Diffraction Radiation
    Monochromator SI(111)
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source SYNCHROTRON
    Type ESRF BEAMLINE ID14-4
    Wavelength 0.9315
    Site ESRF
    Beamline ID14-4
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma(I) -3.0
    Resolution(High) 1.2
    Resolution(Low) 25
    Number Reflections(Observed) 34095
    Percent Possible(Observed) 95.3
    Redundancy 4.11
     
    High Resolution Shell Details
    Resolution(High) 1.2
    Resolution(Low) 1.24
    Percent Possible(All) 69.2
    Mean I Over Sigma(Observed) 4.3
    R-Sym I(Observed) 0.176
    Redundancy 2.89
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method OTHER
    reflnsShellList 1.2
    Resolution(Low) 20.0
    Cut-off Sigma(F) 0.0
    Number of Reflections(all) 34044
    Number of Reflections(R-Free) 1701
    Percent Reflections(Observed) 90.6
    R-Factor(Observed) 0.1473
    R-Free 0.188
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Data Not Available
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    s_approx_iso_adps 0.066
    s_similar_adp_cmpnt 0.039
    s_rigid_bond_adp_cmpnt 0.004
    s_anti_bump_dis_restr 0.185
    s_non_zero_chiral_vol 0.072
    s_zero_chiral_vol 0.066
    s_from_restr_planes 0.028
    s_similar_dist 0.0
    s_angle_d 0.04
    s_bond_d 0.029
     
    Coordinate Error
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 999
    Nucleic Acid Atoms 0
    Heterogen Atoms 3
    Solvent Atoms 180
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (intensity integration) DENZO
    Data Reduction (data scaling) SCALEPACK
    Structure Solution CNS, ARP/WARP
    Structure Refinement SHELXL-97
     
    Software
    refinement SHELXL-97
    model building WARP
    model building CNS
    data reduction SCALEPACK
    data collection DENZO