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X-RAY DIFFRACTION
Materials and Methods page
2BRR
  •   Crystallization Hide
    Crystallization Experiments
    pH 4
    Details 0.2 M AMMONIUM SULPHATE, 0.1 M SODIUM ACETATE/ACETIC ACID (PH 4.0) AND 25% W/V PEG 3000
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 53.67 α = 90
    b = 63.83 β = 86.58
    c = 124.7 γ = 90
     
    Space Group
    Space Group Name:    P 1 21 1
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 100
     
    Diffraction Detector
    Detector CCD
    Type MARRESEARCH
    Collection Date 2000-05-10
     
    Diffraction Radiation
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source SYNCHROTRON
    Type ESRF BEAMLINE ID14-3
    Wavelength 0.9315
    Site ESRF
    Beamline ID14-3
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma(I) 1.0
    Resolution(High) 1.95
    Resolution(Low) 40
    Number Reflections(Observed) 60806
    Percent Possible(Observed) 96.0
    R Merge I(Observed) 0.08
    Redundancy 3.5
     
    High Resolution Shell Details
    Resolution(High) 1.95
    Resolution(Low) 2.02
    Percent Possible(All) 92.1
    R Merge I(Observed) 0.39
    Mean I Over Sigma(Observed) 3.1
    Redundancy 3.4
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 1.95
    Resolution(Low) 30.0
    Number of Reflections(Observed) 56219
    Number of Reflections(R-Free) 3002
    Percent Reflections(Observed) 96.2
    R-Factor(Observed) 0.2
    R-Work 0.198
    R-Free 0.238
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Mean Isotropic B Value 22.19
    Anisotropic B[1][1] -0.76
    Anisotropic B[1][2] 0.0
    Anisotropic B[1][3] -0.11
    Anisotropic B[2][2] 1.14
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] -0.37
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 1.95
    Shell Resolution(Low) 2.0
    Number of Reflections(R-Free) 180
    Number of Reflections(R-Work) 3985
    R-Factor(R-Work) 0.221
    R-Factor(R-Free) 0.281
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    r_scangle_it 2.708
    r_scbond_it 1.898
    r_mcangle_it 1.242
    r_mcbond_it 0.785
    r_nbd_refined 0.197
    r_gen_planes_refined 0.005
    r_chiral_restr 0.09
    r_dihedral_angle_4_deg 19.681
    r_dihedral_angle_3_deg 13.671
    r_dihedral_angle_2_deg 35.747
    r_dihedral_angle_1_deg 6.753
    r_angle_refined_deg 1.408
    r_bond_refined_d 0.012
    r_nbtor_refined 0.303
    r_xyhbond_nbd_refined 0.124
    r_symmetry_vdw_refined 0.221
    r_symmetry_hbond_refined 0.163
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 6757
    Nucleic Acid Atoms 0
    Heterogen Atoms 14
    Solvent Atoms 287
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (intensity integration) DENZO
    Data Reduction (data scaling) SCALEPACK
    Structure Solution CNS
    Structure Refinement REFMAC 5.2.0005
     
    Software
    refinement REFMAC version: 5.2.0005
    model building CNS