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X-RAY DIFFRACTION
Materials and Methods page
1X9N
  •   Crystallization Hide
    Crystallization Experiments
    Method VAPOR DIFFUSION, SITTING DROP
    pH 4.8
    Temperature 298.0
    Details PEG 4000, sodium acetate, pH 4.8, VAPOR DIFFUSION, SITTING DROP, temperature 298.0K
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 161.89 α = 90
    b = 161.89 β = 90
    c = 88.46 γ = 120
     
    Space Group
    Space Group Name:    P 63
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 100
     
    Diffraction Detector
    Detector CCD
    Type ADSC QUANTUM 4
    Collection Date 2003-10-25
     
    Diffraction Radiation
    Monochromator double crystal monochromator Si(111) or (220)
    Diffraction Protocol MAD
     
    Diffraction Source
    Source SYNCHROTRON
    Type NSLS BEAMLINE X12C
    Wavelength List 1.006, 1.011, 0.969, 1.1
    Site NSLS
    Beamline X12C
    Source SYNCHROTRON
    Type NSLS BEAMLINE X25
    Wavelength List 0.9787, 0.9791, 0.9635, 1.1
    Site NSLS
    Beamline X25
    Source SYNCHROTRON
    Type NSLS BEAMLINE X25
    Wavelength 0.97880
    Site NSLS
    Beamline X25
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma(I) -3.0
    Resolution(High) 3
    Resolution(Low) 50
    Number Reflections(All) 26365
    Number Reflections(Observed) 26365
    Percent Possible(Observed) 99.1
    Redundancy 10.0
     
    High Resolution Shell Details
    Resolution(High) 3.0
    Resolution(Low) 3.11
    Percent Possible(All) 99.9
    Mean I Over Sigma(Observed) 5.0
    R-Sym I(Observed) 0.48
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MAD
    reflnsShellList 3.0
    Resolution(Low) 20.0
    Cut-off Sigma(F) 0.0
    Number of Reflections(Observed) 24943
    Number of Reflections(R-Free) 1301
    Percent Reflections(Observed) 50.0
    R-Factor(Observed) 0.23626
    R-Work 0.23459
    R-Free 0.26833
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Mean Isotropic B Value 41.591
    Anisotropic B[1][1] -3.65
    Anisotropic B[1][2] -1.82
    Anisotropic B[1][3] 0.0
    Anisotropic B[2][2] -3.65
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] 5.47
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 3.0
    Shell Resolution(Low) 3.076
    Number of Reflections(R-Free) 103
    Number of Reflections(R-Work) 1811
    R-Factor(R-Work) 0.332
    R-Factor(R-Free) 0.413
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    r_scangle_it 2.597
    r_scbond_it 1.587
    r_mcangle_it 0.938
    r_mcbond_it 0.458
    r_symmetry_vdw_refined 0.316
    r_nbd_refined 0.254
    r_gen_planes_refined 0.004
    r_chiral_restr 0.083
    r_dihedral_angle_1_deg 6.603
    r_angle_refined_deg 1.524
    r_bond_refined_d 0.012
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 4894
    Nucleic Acid Atoms 813
    Heterogen Atoms 23
    Solvent Atoms 0
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (intensity integration) ACE
    Data Reduction (data scaling) HKL-2000
    Structure Solution SHARP
    Structure Refinement REFMAC 5.1.80
     
    Software
    refinement REFMAC version: 5.1.80