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X-RAY DIFFRACTION
Materials and Methods page
2WMA
  •   Crystallization Hide
    Crystallization Experiments
    pH 7
    Details 10MM HEPES PH 7, 100MM NACL 1.1 TO 1.25M AMMONIUM SULPHATE, 0.7 TO 0.85M KCL
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 72.79 α = 90
    b = 131.85 β = 90
    c = 146.88 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 ADSC
     
    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) 2.0
    Resolution(High) 2.8
    Resolution(Low) 100
    Number Reflections(Observed) 44032
    Percent Possible(Observed) 99.4
    R Merge I(Observed) 0.13
    Redundancy 2.0
     
    High Resolution Shell Details
    Resolution(High) 2.8
    Resolution(Low) 2.95
    Percent Possible(All) 92.5
    R Merge I(Observed) 0.57
    Mean I Over Sigma(Observed) 1.6
    Redundancy 2.0
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 2.8
    Resolution(Low) 100.0
    Number of Reflections(Observed) 33594
    Number of Reflections(R-Free) 1764
    Percent Reflections(Observed) 99.41
    R-Factor(Observed) 0.21476
    R-Work 0.21093
    R-Free 0.28514
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Mean Isotropic B Value 47.203
    Anisotropic B[1][1] -1.55
    Anisotropic B[1][2] 0.0
    Anisotropic B[1][3] 0.0
    Anisotropic B[2][2] 1.04
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] 0.51
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 2.8
    Shell Resolution(Low) 2.873
    Number of Reflections(R-Free) 117
    Number of Reflections(R-Work) 2462
    R-Factor(R-Work) 0.299
    R-Factor(R-Free) 0.411
    Percent Reflections(Observed) 100.0
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    r_scangle_it 1.95
    r_scbond_it 1.162
    r_mcangle_it 1.039
    r_mcbond_it 0.573
    r_nbd_refined 0.241
    r_gen_planes_refined 0.004
    r_chiral_restr 0.114
    r_dihedral_angle_4_deg 18.931
    r_dihedral_angle_3_deg 18.907
    r_dihedral_angle_2_deg 42.021
    r_dihedral_angle_1_deg 6.964
    r_angle_refined_deg 1.488
    r_bond_refined_d 0.011
    r_nbtor_refined 0.317
    r_xyhbond_nbd_refined 0.168
    r_symmetry_vdw_refined 0.213
    r_symmetry_hbond_refined 0.298
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 8732
    Nucleic Acid Atoms 0
    Heterogen Atoms 0
    Solvent Atoms 95
     
     
  •   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