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An Information Portal to 105097 Biological Macromolecular Structures

X-RAY DIFFRACTION
Materials and Methods page
2WMB
  •   Crystallization Hide
    Crystallization Experiments
    pH 7.4
    Details BUFFER: 10MM HEPES PH 7.0, 100MM NACL. 1.1 TO 1.25M AMMONIUM SULPHATE, 0.7 TO 0.85MM KCL.
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 73.75 α = 90
    b = 134.22 β = 90
    c = 148.24 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 (SX-165)
    Type MARRESEARCH
     
    Diffraction Radiation
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source SYNCHROTRON
    Type ELETTRA BEAMLINE 5.2R
    Wavelength 0.934
    Site ELETTRA
    Beamline 5.2R
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma(I) 1.5
    Resolution(High) 2.5
    Resolution(Low) 22.04
    Number Reflections(Observed) 46010
    Percent Possible(Observed) 95.0
    R Merge I(Observed) 0.08
    Redundancy 2.0
     
    High Resolution Shell Details
    Resolution(High) 2.55
    Resolution(Low) 2.69
    Percent Possible(All) 89.3
    R Merge I(Observed) 0.52
    Mean I Over Sigma(Observed) 1.7
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 2.6
    Resolution(Low) 22.04
    Number of Reflections(Observed) 41401
    Number of Reflections(R-Free) 2214
    Percent Reflections(Observed) 94.9
    R-Factor(Observed) 0.23
    R-Work 0.226
    R-Free 0.296
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Mean Isotropic B Value 45.71
    Anisotropic B[1][1] -0.34
    Anisotropic B[1][2] 0.0
    Anisotropic B[1][3] 0.0
    Anisotropic B[2][2] 0.18
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] 0.16
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 2.6
    Shell Resolution(Low) 2.67
    Number of Reflections(R-Free) 132
    Number of Reflections(R-Work) 2832
    R-Factor(R-Work) 0.374
    R-Factor(R-Free) 0.401
    Percent Reflections(Observed) 89.52
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    r_scangle_it 3.232
    r_scbond_it 2.073
    r_mcangle_it 1.529
    r_mcbond_it 0.876
    r_nbd_refined 0.241
    r_gen_planes_refined 0.006
    r_chiral_restr 0.116
    r_dihedral_angle_4_deg 19.899
    r_dihedral_angle_3_deg 18.329
    r_dihedral_angle_2_deg 39.419
    r_dihedral_angle_1_deg 7.391
    r_angle_refined_deg 1.702
    r_bond_refined_d 0.015
    r_nbtor_refined 0.319
    r_xyhbond_nbd_refined 0.162
    r_symmetry_vdw_refined 0.241
    r_symmetry_hbond_refined 0.415
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 8747
    Nucleic Acid Atoms 0
    Heterogen Atoms 1
    Solvent Atoms 107
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (intensity integration) MOSFLM
    Data Reduction (data scaling) SCALA
    Structure Solution MOLREP
    Structure Refinement REFMAC 5.2.0019
     
    Software
    refinement REFMAC version: 5.2.0019
    model building MOLREP