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X-RAY DIFFRACTION
Materials and Methods page
4IW9
  •   Crystallization Hide
    Crystallization Experiments
    pH 4.6
    Details 0.17M AMMONUM ACETATE, 0.085M SODIUM ACETATE:HCL, PH 4.6, 25.5% PEG4000, 15% GLYCEROL, VAPOR DIFFUSION, SITTING DROP, TEMPERATURE 294K
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 65.94 α = 90
    b = 81.52 β = 90
    c = 287.74 γ = 90
     
    Space Group
    Space Group Name:    C 2 2 21
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 100
     
    Diffraction Detector
    Detector CCD
    Type ADSC QUANTUM 315
    Details MIRRORS
    Collection Date 2012-11-08
     
    Diffraction Radiation
    Monochromator Rosenbaum-Rock double crystal
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source SYNCHROTRON
    Type NSLS BEAMLINE X29A
    Wavelength 1.075
    Site NSLS
    Beamline X29A
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma(I) -3.0
    Resolution(High) 1.75
    Resolution(Low) 50
    Number Reflections(Observed) 76059
    Percent Possible(Observed) 98.3
    Redundancy 10.8
     
    High Resolution Shell Details
    Resolution(High) 1.75
    Resolution(Low) 1.78
    Percent Possible(All) 98.3
    R Merge I(Observed) 0.93
    Mean I Over Sigma(Observed) 2.2
    Redundancy 10.4
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 1.76
    Resolution(Low) 41.79
    Number of Reflections(Observed) 73684
    Number of Reflections(R-Free) 2296
    Percent Reflections(Observed) 98.29
    R-Factor(Observed) 0.15569
    R-Work 0.15415
    R-Free 0.20209
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Mean Isotropic B Value 40.331
    Anisotropic B[1][1] -0.7
    Anisotropic B[1][2] 0.0
    Anisotropic B[1][3] 0.0
    Anisotropic B[2][2] -0.02
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] 0.73
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 1.76
    Shell Resolution(Low) 1.806
    Number of Reflections(R-Free) 178
    Number of Reflections(R-Work) 5411
    R-Factor(R-Work) 0.231
    R-Factor(R-Free) 0.266
    Percent Reflections(Observed) 98.73
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    r_sphericity_bonded 15.271
    r_sphericity_free 27.237
    r_rigid_bond_restr 2.629
    r_gen_planes_other 0.001
    r_gen_planes_refined 0.005
    r_chiral_restr 0.072
    r_dihedral_angle_4_deg 21.008
    r_dihedral_angle_3_deg 13.735
    r_dihedral_angle_2_deg 37.248
    r_dihedral_angle_1_deg 5.423
    r_angle_other_deg 0.761
    r_angle_refined_deg 1.152
    r_bond_other_d 0.001
    r_bond_refined_d 0.008
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 5015
    Nucleic Acid Atoms 0
    Heterogen Atoms 75
    Solvent Atoms 450
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (intensity integration) HKL-3000
    Data Reduction (data scaling) HKL-3000
    Structure Solution PHASER
    Structure Refinement REFMAC 5.7.0029
     
    Software
    refinement REFMAC version: 5.7.0029
    model building PHASER