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An Information Portal to 105339 Biological Macromolecular Structures

X-RAY DIFFRACTION
Materials and Methods page
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  •   Crystallization Hide
    Crystallization Experiments
    pH 7
    Details PROTEIN AT 10MG/ML WELL BUFFER CONTAINING 17.5% PEG3350, 200MM HEPES, PH7.0, 100MM AMMONIUM ACETATE, pH 7.00
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 54.34 α = 90
    b = 72.93 β = 90
    c = 73.84 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 IMAGE PLATE
    Type MARRESEARCH
    Collection Date 1997-12-15
     
    Diffraction Radiation
    Monochromator SI(111)
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source SYNCHROTRON
    Type SRS BEAMLINE PX9.6
    Wavelength 0.87
    Site SRS
    Beamline PX9.6
     
     
  •   Refinement Data Hide
    Reflection Details
    Resolution(High) 2.31
    Resolution(Low) 51.99
    Number Reflections(Observed) 11954
    Percent Possible(Observed) 90.6
    R Merge I(Observed) 0.078
    B(Isotropic) From Wilson Plot 24.2
    Redundancy 2.5
     
    High Resolution Shell Details
    Resolution(High) 2.31
    Resolution(Low) 2.44
    Percent Possible(All) 84.8
    R Merge I(Observed) 0.233
    Mean I Over Sigma(Observed) 5.3
    Redundancy 2.5
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 2.31
    Resolution(Low) 51.99
    Number of Reflections(Observed) 11329
    Number of Reflections(R-Free) 596
    Percent Reflections(Observed) 89.4
    R-Factor(Observed) 0.211
    R-Work 0.208
    R-Free 0.269
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Mean Isotropic B Value 24.83
    Anisotropic B[1][1] 0.21
    Anisotropic B[1][2] 0.0
    Anisotropic B[1][3] 0.0
    Anisotropic B[2][2] -0.58
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] 0.37
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 2.31
    Shell Resolution(Low) 2.37
    Number of Reflections(R-Free) 32
    Number of Reflections(R-Work) 701
    R-Factor(R-Work) 0.275
    R-Factor(R-Free) 0.356
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    r_scangle_it 3.174
    r_scbond_it 1.985
    r_mcangle_it 1.26
    r_mcbond_it 0.675
    r_nbd_refined 0.235
    r_gen_planes_refined 0.005
    r_chiral_restr 0.089
    r_dihedral_angle_1_deg 5.557
    r_angle_refined_deg 1.497
    r_bond_refined_d 0.014
    r_xyhbond_nbd_refined 0.155
    r_symmetry_vdw_refined 0.218
    r_symmetry_hbond_refined 0.142
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 2170
    Nucleic Acid Atoms 0
    Heterogen Atoms 33
    Solvent Atoms 108
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (intensity integration) MOSFLM
    Data Reduction (data scaling) CCP4 (SCALA)
    Structure Solution AMORE
    Structure Refinement REFMAC 5.1.17
     
    Software
    refinement REFMAC version: 5.1.17
    model building AMORE