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X-RAY DIFFRACTION
Materials and Methods page
2CSD
  •   Crystallization Hide
    Crystallization Experiments
    Method VAPOR DIFFUSION, SITTING DROP
    pH 4.6
    Temperature 295.0
    Details sodium acetate, sodium formate, pH 4.6, VAPOR DIFFUSION, SITTING DROP, temperature 295K
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 75.5 α = 90
    b = 86.4 β = 90
    c = 175.7 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 2004-04-01
     
    Diffraction Radiation
    Monochromator Silicon mirrors
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source SYNCHROTRON
    Type APS BEAMLINE 32-ID
    Wavelength List 0.9793
    Site APS
    Beamline 32-ID
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma (F) 0.0
    Observed Criterion Sigma(I) 0.0
    Resolution(High) 2.9
    Resolution(Low) 28.8
    Number Reflections(All) 25958
    Number Reflections(Observed) 25958
    Percent Possible(Observed) 99.2
    Redundancy 3.7
     
    High Resolution Shell Details
    Resolution(High) 2.9
    Resolution(Low) 3.0
    Percent Possible(All) 98.5
    Mean I Over Sigma(Observed) 2.3
    R-Sym I(Observed) 0.328
    Redundancy 3.2
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 2.9
    Resolution(Low) 28.8
    Number of Reflections(all) 24588
    Number of Reflections(Observed) 24591
    Number of Reflections(R-Free) 1319
    Percent Reflections(Observed) 98.9
    R-Factor(Observed) 0.23973
    R-Work 0.23618
    R-Free 0.30787
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Mean Isotropic B Value 52.119
    Anisotropic B[1][1] 1.68
    Anisotropic B[1][2] 0.0
    Anisotropic B[1][3] 0.0
    Anisotropic B[2][2] 0.5
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] -2.18
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 2.9
    Shell Resolution(Low) 2.975
    Number of Reflections(R-Free) 90
    Number of Reflections(R-Work) 1765
    R-Factor(R-Work) 0.307
    R-Factor(R-Free) 0.412
    Percent Reflections(Observed) 98.04
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    r_scangle_it 1.2
    r_scbond_it 0.657
    r_mcangle_it 0.578
    r_mcbond_it 0.319
    r_nbd_refined 0.207
    r_gen_planes_refined 0.003
    r_chiral_restr 0.081
    r_dihedral_angle_4_deg 18.329
    r_dihedral_angle_3_deg 20.548
    r_dihedral_angle_2_deg 35.474
    r_dihedral_angle_1_deg 4.826
    r_angle_refined_deg 1.111
    r_bond_refined_d 0.007
    r_nbtor_refined 0.298
    r_xyhbond_nbd_refined 0.159
    r_symmetry_vdw_refined 0.223
    r_symmetry_hbond_refined 0.133
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 8390
    Nucleic Acid Atoms 0
    Heterogen Atoms 0
    Solvent Atoms 0
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (intensity integration) MAR
    Data Reduction (data scaling) XDS
    Structure Solution CNS
    Structure Refinement REFMAC 5.2.0003
     
    Software
    refinement REFMAC version: 5.0
    model building CNS
    data reduction XDS
    data collection MAR