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X-RAY DIFFRACTION
Materials and Methods page
2B22
  •   Crystallization Hide
    Crystallization Experiments
    Method VAPOR DIFFUSION, HANGING DROP
    pH 4.6
    Temperature 295.0
    Details PEG 400, cadmium chloride, sodium acetate, pH 4.6, VAPOR DIFFUSION, HANGING DROP, temperature 295K
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 45.99 α = 90
    b = 45.99 β = 90
    c = 52.99 γ = 90
     
    Space Group
    Space Group Name:    I 41 2 2
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 100
     
    Diffraction Detector
    Detector CCD
    Type ADSC QUANTUM 4
    Collection Date 2005-04-15
     
    Diffraction Radiation
    Monochromator GRAPHITE
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source SYNCHROTRON
    Type NSLS BEAMLINE X4A
    Wavelength List 0.9792
    Site NSLS
    Beamline X4A
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma (F) 0.0
    Observed Criterion Sigma(I) 0.0
    Resolution(High) 2
    Resolution(Low) 34.7
    Number Reflections(All) 2063
    Number Reflections(Observed) 2063
    Percent Possible(Observed) 98.3
    R Merge I(Observed) 0.043
    B(Isotropic) From Wilson Plot 41.3
    Redundancy 8.8
     
    High Resolution Shell Details
    Resolution(High) 2.0
    Resolution(Low) 2.07
    Percent Possible(All) 100.0
    R Merge I(Observed) 0.392
    Mean I Over Sigma(Observed) 6.5
    Redundancy 9.2
    Number Unique Reflections(All) 199
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 2.0
    Resolution(Low) 34.7
    Cut-off Sigma(I) 0.0
    Cut-off Sigma(F) 0.0
    Number of Reflections(all) 2063
    Number of Reflections(Observed) 2063
    Number of Reflections(R-Free) 284
    Percent Reflections(Observed) 98.3
    R-Factor(All) 0.23075
    R-Factor(Observed) 0.23075
    R-Work 0.22369
    R-Free 0.27629
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Isotropic Thermal Model Isotropic
    Mean Isotropic B Value 54.231
    Anisotropic B[1][1] 0.91
    Anisotropic B[1][2] 0.0
    Anisotropic B[1][3] 0.0
    Anisotropic B[2][2] 0.91
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] -1.82
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 1.999
    Shell Resolution(Low) 2.051
    Number of Reflections(Observed) 137
    Number of Reflections(R-Free) 17
    Number of Reflections(R-Work) 120
    R-Factor(R-Work) 0.303
    R-Factor(R-Free) 0.371
    Percent Reflections(Observed) 100.0
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    r_scangle_it 11.925
    r_scbond_it 7.273
    r_mcangle_it 4.165
    r_mcbond_it 1.982
    r_nbd_refined 0.32
    r_gen_planes_refined 0.012
    r_chiral_restr 0.245
    r_dihedral_angle_4_deg 11.355
    r_dihedral_angle_3_deg 24.811
    r_dihedral_angle_2_deg 57.326
    r_dihedral_angle_1_deg 7.392
    r_angle_refined_deg 3.173
    r_bond_refined_d 0.042
    r_nbtor_refined 0.34
    r_xyhbond_nbd_refined 0.03
    r_metal_ion_refined 0.637
    r_symmetry_vdw_refined 0.364
    r_symmetry_hbond_refined 0.371
    r_symmetry_metal_ion_refined 0.202
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 237
    Nucleic Acid Atoms 0
    Heterogen Atoms 2
    Solvent Atoms 5
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (intensity integration) DENZO
    Data Reduction (data scaling) SCALEPACK
    Structure Solution PHASER
    Structure Refinement REFMAC 5.2.0005
     
    Software
    refinement REFMAC version: 5.2.0005