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X-RAY DIFFRACTION
Materials and Methods page
2X1N
  •   Crystallization Hide
    Crystallization Experiments
    pH 7.8
    Details PEG3350 20% V/V, 0.1M TRI-SODIUM CITRATE, PH 7.8
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 74.56 α = 90
    b = 114.26 β = 90
    c = 157.28 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
    Details MIRRORS
    Collection Date 2003-02-12
     
    Diffraction Radiation
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source SYNCHROTRON
    Type ESRF BEAMLINE ID14-2
    Wavelength 0.933
    Site ESRF
    Beamline ID14-2
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma(I) 3.0
    Resolution(High) 2.75
    Resolution(Low) 30
    Number Reflections(Observed) 37669
    Percent Possible(Observed) 98.3
    R Merge I(Observed) 0.14
    Redundancy 3.8
     
    High Resolution Shell Details
    Resolution(High) 2.75
    Resolution(Low) 2.9
    Percent Possible(All) 98.8
    R Merge I(Observed) 0.67
    Mean I Over Sigma(Observed) 1.9
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 2.75
    Resolution(Low) 30.0
    Number of Reflections(Observed) 33849
    Number of Reflections(R-Free) 1097
    Percent Reflections(Observed) 98.01
    R-Factor(Observed) 0.20136
    R-Work 0.19964
    R-Free 0.25478
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Mean Isotropic B Value 34.816
    Anisotropic B[1][1] -2.38
    Anisotropic B[1][2] 0.0
    Anisotropic B[1][3] 0.0
    Anisotropic B[2][2] -0.22
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] 2.6
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 2.75
    Shell Resolution(Low) 2.821
    Number of Reflections(R-Free) 76
    Number of Reflections(R-Work) 2486
    R-Factor(R-Work) 0.328
    R-Factor(R-Free) 0.373
    Percent Reflections(Observed) 99.07
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    r_scangle_it 7.734
    r_scbond_it 5.524
    r_mcangle_it 3.218
    r_mcbond_other 0.473
    r_mcbond_it 2.284
    r_nbd_refined 0.219
    r_gen_planes_other 0.007
    r_gen_planes_refined 0.009
    r_chiral_restr 0.092
    r_dihedral_angle_4_deg 17.162
    r_dihedral_angle_3_deg 16.507
    r_dihedral_angle_2_deg 39.975
    r_dihedral_angle_1_deg 5.167
    r_angle_other_deg 1.129
    r_angle_refined_deg 1.548
    r_bond_other_d 0.006
    r_bond_refined_d 0.013
    r_nbd_other 0.227
    r_nbtor_refined 0.189
    r_nbtor_other 0.09
    r_xyhbond_nbd_refined 0.182
    r_xyhbond_nbd_other 0.184
    r_symmetry_vdw_refined 0.193
    r_symmetry_vdw_other 0.377
    r_symmetry_hbond_refined 0.253
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 8956
    Nucleic Acid Atoms 0
    Heterogen Atoms 48
    Solvent Atoms 86
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (intensity integration) MOSFILM
    Data Reduction (data scaling) SCALA
    Structure Solution MOLREP
    Structure Refinement REFMAC 5.2.0019
     
    Software
    refinement REFMAC version: 5.2.0019
    model building MOLREP