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X-RAY DIFFRACTION
Materials and Methods page
2CSB
  •   Crystallization Hide
    Crystallization Experiments
    Method VAPOR DIFFUSION, SITTING DROP
    pH 6.5
    Temperature 295.0
    Details PEG 3350, Na-cacodylate, MgCl2, pH 6.5, VAPOR DIFFUSION, SITTING DROP, temperature 295K
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 70.69 α = 90
    b = 89.77 β = 90
    c = 189.07 γ = 90
     
    Space Group
    Space Group Name:    P 21 21 21
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 100
     
    Diffraction Detector
    Detector CCD
    Type MARRESEARCH
    Collection Date 2003-02-01
     
    Diffraction Radiation
    Monochromator Silicon mirrors
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source SYNCHROTRON
    Type APS BEAMLINE 5ID-B
    Wavelength List 0.9795
    Site APS
    Beamline 5ID-B
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma (F) 0.0
    Observed Criterion Sigma(I) 0.0
    Resolution(High) 2.3
    Resolution(Low) 27.7
    Number Reflections(All) 53175
    Number Reflections(Observed) 53175
    Percent Possible(Observed) 98.1
    Redundancy 6.7
     
    High Resolution Shell Details
    Resolution(High) 2.3
    Percent Possible(All) 94.8
    Mean I Over Sigma(Observed) 2.9
    R-Sym I(Observed) 0.262
    Redundancy 6.0
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method SAD
    reflnsShellList 2.3
    Resolution(Low) 26.44
    Number of Reflections(all) 50430
    Number of Reflections(Observed) 50430
    Number of Reflections(R-Free) 2687
    Percent Reflections(Observed) 97.91
    R-Factor(Observed) 0.22046
    R-Work 0.21668
    R-Free 0.29227
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Mean Isotropic B Value 39.487
    Anisotropic B[1][1] -0.1
    Anisotropic B[1][2] 0.0
    Anisotropic B[1][3] 0.0
    Anisotropic B[2][2] 0.17
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] -0.08
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 2.3
    Shell Resolution(Low) 2.359
    Number of Reflections(R-Free) 201
    Number of Reflections(R-Work) 3518
    R-Factor(R-Work) 0.258
    R-Factor(R-Free) 0.368
    Percent Reflections(Observed) 94.39
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    r_scangle_it 3.636
    r_scbond_it 2.335
    r_mcangle_it 1.338
    r_mcbond_it 0.946
    r_nbd_refined 0.22
    r_gen_planes_refined 0.006
    r_chiral_restr 0.11
    r_dihedral_angle_4_deg 21.553
    r_dihedral_angle_3_deg 19.386
    r_dihedral_angle_2_deg 32.962
    r_dihedral_angle_1_deg 5.925
    r_angle_refined_deg 1.592
    r_bond_refined_d 0.017
    r_nbtor_refined 0.307
    r_xyhbond_nbd_refined 0.174
    r_symmetry_vdw_refined 0.258
    r_symmetry_hbond_refined 0.228
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 8410
    Nucleic Acid Atoms 0
    Heterogen Atoms 1
    Solvent Atoms 516
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (intensity integration) MAR
    Data Reduction (data scaling) XDS
    Structure Solution SOLVE, SHARP
    Structure Refinement REFMAC 5.2.0003
     
    Software
    refinement REFMAC version: 5.0
    model building SHARP
    model building SOLVE
    data reduction XDS
    data collection MAR