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X-RAY DIFFRACTION
Materials and Methods page
4IAJ
  •   Crystallization Hide
    Crystallization Experiments
    Method VAPOR DIFFUSION, SITTING DROP
    Temperature 277.0
    Details 0.2M magnesium nitrate, 20.0% polyethylene glycol 3350, NANODROP, VAPOR DIFFUSION, SITTING DROP, temperature 277K
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 50.15 α = 90
    b = 98.17 β = 107.2
    c = 68.93 γ = 90
     
    Space Group
    Space Group Name:    P 1 21 1
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 100
     
    Diffraction Detector
    Detector CCD
    Type ADSC QUANTUM 315
    Details KOHZU: Double Crystal Si(111)
    Collection Date 2012-09-20
     
    Diffraction Radiation
    Monochromator Double Crystal Si(111)
    Diffraction Protocol MAD
     
    Diffraction Source
    Source SYNCHROTRON
    Type ALS BEAMLINE 8.2.2
    Wavelength List 0.918401,0.979338,0.979111
    Site ALS
    Beamline 8.2.2
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma(I) -3.0
    Resolution(High) 1.91
    Resolution(Low) 29.3
    Number Reflections(Observed) 48771
    Percent Possible(Observed) 96.2
    R Merge I(Observed) 0.051
    B(Isotropic) From Wilson Plot 26.14
     
    High Resolution Shell Details
    Resolution(High) 1.91
    Resolution(Low) 1.98
    Percent Possible(All) 95.4
    R Merge I(Observed) 0.564
    Mean I Over Sigma(Observed) 1.5
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MAD
    reflnsShellList 1.91
    Resolution(Low) 29.304
    Cut-off Sigma(F) 0.0
    Number of Reflections(Observed) 48740
    Number of Reflections(R-Free) 2471
    Percent Reflections(Observed) 98.58
    R-Factor(Observed) 0.1824
    R-Work 0.1798
    R-Free 0.2324
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Mean Isotropic B Value 36.0527
    Anisotropic B[1][1] 0.22
    Anisotropic B[1][2] 0.0
    Anisotropic B[1][3] -0.35
    Anisotropic B[2][2] 1.4
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] -1.27
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 1.91
    Shell Resolution(Low) 1.96
    Number of Reflections(R-Free) 172
    Number of Reflections(R-Work) 3390
    R-Factor(R-Work) 0.266
    R-Factor(R-Free) 0.299
    Percent Reflections(Observed) 97.56
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    r_mcangle_it 3.201
    r_mcbond_other 2.249
    r_bond_refined_d 0.008
    r_bond_other_d 0.001
    r_angle_refined_deg 1.181
    r_angle_other_deg 0.671
    r_dihedral_angle_1_deg 5.353
    r_dihedral_angle_2_deg 35.96
    r_dihedral_angle_3_deg 12.787
    r_dihedral_angle_4_deg 19.036
    r_chiral_restr 0.044
    r_gen_planes_refined 0.005
    r_gen_planes_other 0.001
    r_mcbond_it 2.249
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 4980
    Nucleic Acid Atoms 0
    Heterogen Atoms 87
    Solvent Atoms 309
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (intensity integration) XDS
    Data Reduction (data scaling) XSCALE
    Structure Solution SHELXD,SHARP
    Structure Refinement REFMAC 5.7.0032
     
    Software
    refinement REFMAC5 version: 5.7.0032
    data processing Xscale version: March 15, 2012
    phasing SHARP
    phasing SHELX
    data extraction pdb_extract version: 3.10
    validation MOLPROBITY version: 3beta29