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X-RAY DIFFRACTION
Materials and Methods page
4EKF
  •   Crystallization Hide
    Crystallization Experiments
    pH 5.6
    Temperature 293.0
    Details 0.3M sodium citrate, pH 5.6, 0.8 M sodium acetate, 5 mM DTT, VAPOR DIFFUSION, HANGING DROP, temperature 293K
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 36.27 α = 90
    b = 54.54 β = 100.1
    c = 42.41 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 BRANDEIS 4K
    Collection Date 2001-07-28
     
    Diffraction Radiation
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source SYNCHROTRON
    Type NSLS BEAMLINE X25
    Wavelength 0.92
    Site NSLS
    Beamline X25
     
     
  •   Refinement Data Hide
    Reflection Details
    Resolution(High) 0.98
    Resolution(Low) 30
    Number Reflections(Observed) 92231
    Percent Possible(Observed) 99.1
    R Merge I(Observed) 0.057
    B(Isotropic) From Wilson Plot 8.59
    Redundancy 4.9
     
    High Resolution Shell Details
    Resolution(High) 0.98
    Resolution(Low) 1.0
    Percent Possible(All) 97.1
    R Merge I(Observed) 0.594
    Redundancy 2.2
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 0.98
    Resolution(Low) 20.0
    Cut-off Sigma(F) 0.0
    Number of Reflections(all) 90549
    Number of Reflections(Observed) 92231
    Percent Reflections(Observed) 97.3
    R-Factor(All) 0.135
    R-Factor(Observed) 0.135
    R-Free 0.1678
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Mean Isotropic B Value 17.7814
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    s_approx_iso_adps 0.079
    s_similar_adp_cmpnt 0.046
    s_rigid_bond_adp_cmpnt 0.006
    s_anti_bump_dis_restr 0.119
    s_non_zero_chiral_vol 0.172
    s_zero_chiral_vol 0.093
    s_from_restr_planes 0.0278
    s_similar_dist 0.0
    s_angle_d 0.045
    s_bond_d 0.029
     
    Coordinate Error
    Luzzati ESD(Observed) 0.127
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 1535
    Nucleic Acid Atoms 0
    Heterogen Atoms 1
    Solvent Atoms 258
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (intensity integration) HKL2000
    Data Reduction (data scaling) HKL2000
    Structure Solution AMORE
    Structure Refinement SHELXL-97
     
    Software
    data extraction pdb_extract version: 3.10
    refinement SHELX
    molecular replacement AMORE
    data reduction HKL