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X-RAY DIFFRACTION
Materials and Methods page
2NL8
  •   Crystallization Hide
    Crystallization Experiments
    Method VAPOR DIFFUSION, HANGING DROP
    pH 7.5
    Temperature 297.0
    Details 20 mM NaAcetate, 20% PEG 3000 + 4% PEG 600, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 297K
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 43.87 α = 90
    b = 43.87 β = 90
    c = 238.31 γ = 90
     
    Space Group
    Space Group Name:    P 43 21 2
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 100
     
    Diffraction Detector
    Detector IMAGE PLATE
    Type RIGAKU RAXIS IV
    Details mirrors
    Collection Date 2004-05-26
     
    Diffraction Radiation
    Monochromator Rigaku/MSC green optics
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source ROTATING ANODE
    Type RIGAKU
    Wavelength List 1.5418
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma(I) -3.0
    Resolution(High) 2.25
    Resolution(Low) 20
    Number Reflections(All) 11307
    Number Reflections(Observed) 11307
    Percent Possible(Observed) 94.0
    Redundancy 3.6
     
    High Resolution Shell Details
    Resolution(High) 2.25
    Resolution(Low) 2.33
    Percent Possible(All) 93.0
    Mean I Over Sigma(Observed) 2.1
    R-Sym I(Observed) 0.439
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 2.3
    Resolution(Low) 19.92
    Cut-off Sigma(F) 0.0
    Number of Reflections(Observed) 10057
    Number of Reflections(R-Free) 518
    Percent Reflections(Observed) 94.61
    R-Factor(Observed) 0.23999
    R-Work 0.23682
    R-Free 0.29895
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Mean Isotropic B Value 43.138
    Anisotropic B[1][1] 0.14
    Anisotropic B[1][2] 0.0
    Anisotropic B[1][3] 0.0
    Anisotropic B[2][2] 0.14
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] -0.28
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 2.3
    Shell Resolution(Low) 2.359
    Number of Reflections(R-Free) 32
    Number of Reflections(R-Work) 673
    R-Factor(R-Work) 0.328
    R-Factor(R-Free) 0.561
    Percent Reflections(Observed) 92.16
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    r_scangle_it 3.853
    r_scbond_it 2.563
    r_mcangle_it 1.788
    r_mcbond_it 1.015
    r_nbd_refined 0.252
    r_gen_planes_refined 0.009
    r_chiral_restr 0.12
    r_dihedral_angle_4_deg 18.005
    r_dihedral_angle_3_deg 19.284
    r_dihedral_angle_2_deg 30.013
    r_dihedral_angle_1_deg 7.687
    r_angle_refined_deg 2.191
    r_bond_refined_d 0.018
    r_nbtor_refined 0.315
    r_xyhbond_nbd_refined 0.185
    r_symmetry_vdw_refined 0.325
    r_symmetry_hbond_refined 0.22
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 961
    Nucleic Acid Atoms 363
    Heterogen Atoms 0
    Solvent Atoms 82
     
     
  •   Software and Computing Hide
    Computing
    Data Collection CRYSTALCLEAR (MSC/RIGAKU)
    Data Reduction (intensity integration) DENZO
    Data Reduction (data scaling) SCALEPACK
    Structure Solution MOLREP
    Structure Refinement REFMAC 5.2
     
    Software
    refinement REFMAC version: 5.2
    model building MOLREP
    data collection CrystalClear