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X-RAY DIFFRACTION
Materials and Methods page
2A74
  •   Crystallization Hide
    Crystallization Experiments
    Method VAPOR DIFFUSION, HANGING DROP
    pH 7
    Temperature 293.0
    Details PEG3000, lithium nitrate, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 293K
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 126.87 α = 90
    b = 246.86 β = 90
    c = 87.38 γ = 90
     
    Space Group
    Space Group Name:    P 21 21 2
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 100
     
    Diffraction Detector
    Detector CCD
    Type ADSC QUANTUM 4
    Collection Date 2003-09-07
     
    Diffraction Radiation
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source SYNCHROTRON
    Type ESRF BEAMLINE ID14-4
    Wavelength List 0.9393
    Site ESRF
    Beamline ID14-4
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma (F) -999.0
    Observed Criterion Sigma(I) -3.7
    Resolution(High) 2.4
    Resolution(Low) 40
    Number Reflections(All) 107630
    Number Reflections(Observed) 105155
    Percent Possible(Observed) 97.7
    R Merge I(Observed) 0.073
    Redundancy 3.7
     
    High Resolution Shell Details
    Resolution(High) 2.4
    Resolution(Low) 2.53
    Percent Possible(All) 90.2
    R Merge I(Observed) 0.331
    Mean I Over Sigma(Observed) 2.5
    Redundancy 2.8
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MAD and SIRAS
    reflnsShellList 2.4
    Resolution(Low) 40.0
    Number of Reflections(all) 107630
    Number of Reflections(Observed) 101981
    Number of Reflections(R-Free) 3123
    Percent Reflections(Observed) 97.37
    R-Factor(Observed) 0.21653
    R-Work 0.21476
    R-Free 0.27527
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Mean Isotropic B Value 45.606
    Anisotropic B[1][1] -1.61
    Anisotropic B[1][2] 0.0
    Anisotropic B[1][3] 0.0
    Anisotropic B[2][2] -0.47
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] 2.09
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 2.4
    Shell Resolution(Low) 2.462
    Number of Reflections(R-Free) 201
    Number of Reflections(R-Work) 6602
    R-Factor(R-Work) 0.291
    R-Factor(R-Free) 0.361
    Percent Reflections(Observed) 86.66
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    r_scangle_it 3.103
    r_scbond_it 1.944
    r_mcangle_it 1.242
    r_mcbond_it 0.73
    r_nbd_refined 0.246
    r_gen_planes_refined 0.007
    r_chiral_restr 0.117
    r_dihedral_angle_4_deg 20.788
    r_dihedral_angle_3_deg 20.813
    r_dihedral_angle_2_deg 36.478
    r_dihedral_angle_1_deg 8.963
    r_angle_refined_deg 1.201
    r_bond_refined_d 0.012
    r_nbtor_refined 0.318
    r_xyhbond_nbd_refined 0.188
    r_symmetry_vdw_refined 0.204
    r_symmetry_hbond_refined 0.241
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 17632
    Nucleic Acid Atoms 0
    Heterogen Atoms 146
    Solvent Atoms 611
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (intensity integration) MOSFLM
    Data Reduction (data scaling) CCP4 (SCALA)
    Structure Solution SOLVE
    Structure Refinement REFMAC 5.2.0003
     
    Software
    data extraction pdb_extract version: 1.700
    refinement REFMAC5