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X-RAY DIFFRACTION
Materials and Methods page
2R2V
  •   Crystallization Hide
    Crystallization Experiments
    Method VAPOR DIFFUSION, HANGING DROP
    pH 4.8
    Temperature 295.0
    Details 0.1M sodium citrate, 5% Jeffamine M-600, 0.05M zinc acetate, pH 4.8, VAPOR DIFFUSION, HANGING DROP, temperature 295K
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 51.7 α = 90
    b = 51.7 β = 90
    c = 99.79 γ = 90
     
    Space Group
    Space Group Name:    P 43
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 100
     
    Diffraction Detector
    Detector CCD
    Type ADSC QUANTUM 4
    Collection Date 2006-11-07
     
    Diffraction Radiation
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source SYNCHROTRON
    Type NSLS BEAMLINE X4A
    Wavelength List 0.97912
    Site NSLS
    Beamline X4A
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma (F) 0.0
    Observed Criterion Sigma(I) 0.0
    Resolution(High) 1.9
    Resolution(Low) 51.7
    Number Reflections(All) 20545
    Number Reflections(Observed) 20545
    Percent Possible(Observed) 99.7
    R Merge I(Observed) 0.061
    B(Isotropic) From Wilson Plot 27.8
    Redundancy 5.0
     
    High Resolution Shell Details
    Resolution(High) 1.9
    Resolution(Low) 1.97
    Percent Possible(All) 99.9
    R Merge I(Observed) 0.484
    Mean I Over Sigma(Observed) 3.4
    Redundancy 5.0
    Number Unique Reflections(All) 2048
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 1.9
    Resolution(Low) 51.71
    Cut-off Sigma(I) 0.0
    Cut-off Sigma(F) 0.0
    Number of Reflections(all) 20545
    Number of Reflections(Observed) 20545
    Number of Reflections(R-Free) 1054
    Percent Reflections(Observed) 99.71
    R-Factor(All) 0.19347
    R-Factor(Observed) 0.19347
    R-Work 0.19108
    R-Free 0.24028
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Isotropic Thermal Model Isotropic with TLS group assigned for each peptide chain.
    Mean Isotropic B Value 37.479
    Anisotropic B[1][1] 0.63
    Anisotropic B[1][2] 0.0
    Anisotropic B[1][3] 0.0
    Anisotropic B[2][2] 0.63
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] -1.26
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 1.901
    Shell Resolution(Low) 1.95
    Number of Reflections(Observed) 1485
    Number of Reflections(R-Free) 86
    Number of Reflections(R-Work) 1399
    R-Factor(R-Work) 0.214
    R-Factor(R-Free) 0.25
    Percent Reflections(Observed) 99.87
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    r_scangle_it 2.664
    r_scbond_it 1.699
    r_mcangle_it 0.92
    r_mcbond_it 0.536
    r_symmetry_hbond_refined 0.237
    r_symmetry_vdw_refined 0.177
    r_bond_refined_d 0.009
    r_angle_refined_deg 1.088
    r_dihedral_angle_1_deg 4.309
    r_dihedral_angle_2_deg 35.662
    r_dihedral_angle_3_deg 17.259
    r_dihedral_angle_4_deg 13.05
    r_chiral_restr 0.062
    r_gen_planes_refined 0.004
    r_nbd_refined 0.197
    r_nbtor_refined 0.283
    r_xyhbond_nbd_refined 0.161
    r_metal_ion_refined 0.028
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 2045
    Nucleic Acid Atoms 0
    Heterogen Atoms 66
    Solvent Atoms 99
     
     
  •   Software and Computing Hide
    Computing
    Data Collection ADSC Quantum
    Data Reduction (intensity integration) DENZO
    Data Reduction (data scaling) SCALEPACK
    Structure Solution PHASER
    Structure Refinement REFMAC 5.2.0019
     
    Software
    refinement REFMAC version: 5.2.0019