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X-RAY DIFFRACTION
Materials and Methods page
4H17
  •   Crystallization Hide
    Crystallization Experiments
    Method VAPOR DIFFUSION, SITTING DROP
    pH 6
    Temperature 277.0
    Details 0.200M (NH4)2SO4, 20.00% PEG-3350, No Buffer pH 6.0, NANODROP, VAPOR DIFFUSION, SITTING DROP, temperature 277K
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 49.17 α = 90
    b = 49.35 β = 90
    c = 156.59 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 MARMOSAIC 325 mm CCD
    Details double crystal monochromator
    Collection Date 2009-07-31
     
    Diffraction Radiation
    Monochromator double crystal
    Diffraction Protocol MAD
     
    Diffraction Source
    Source SYNCHROTRON
    Type SSRL BEAMLINE BL9-2
    Wavelength List 0.91837,0.97925,0.97910
    Site SSRL
    Beamline BL9-2
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma(I) -3.0
    Resolution(High) 1.6
    Resolution(Low) 28.97
    Number Reflections(Observed) 51103
    Percent Possible(Observed) 99.8
    R Merge I(Observed) 0.038
    B(Isotropic) From Wilson Plot 16.915
    Redundancy 3.81
     
    High Resolution Shell Details
    Resolution(High) 1.6
    Resolution(Low) 1.64
    R Merge I(Observed) 0.536
    Mean I Over Sigma(Observed) 2.4
    R-Sym I(Observed) 0.536
    Redundancy 3.83
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MAD
    reflnsShellList 1.6
    Resolution(Low) 28.973
    Cut-off Sigma(F) 0.0
    Number of Reflections(Observed) 51033
    Number of Reflections(R-Free) 2586
    Percent Reflections(Observed) 98.87
    R-Factor(Observed) 0.1367
    R-Work 0.1357
    R-Free 0.1564
    R-Free Selection Details RANDOM + TWIN LAW
     
    Temperature Factor Modeling
    Mean Isotropic B Value 18.6092
    Anisotropic B[1][1] -2.81
    Anisotropic B[1][2] 0.0
    Anisotropic B[1][3] 0.0
    Anisotropic B[2][2] 5.06
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] -2.25
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 1.596
    Shell Resolution(Low) 1.637
    Number of Reflections(R-Free) 147
    Number of Reflections(R-Work) 3157
    R-Factor(R-Work) 0.183
    R-Factor(R-Free) 0.258
    Percent Reflections(Observed) 88.15
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    r_gen_planes_other 0.005
    r_gen_planes_refined 0.008
    r_chiral_restr 0.094
    r_dihedral_angle_4_deg 18.953
    r_dihedral_angle_3_deg 12.05
    r_dihedral_angle_2_deg 30.18
    r_dihedral_angle_1_deg 6.219
    r_angle_other_deg 1.206
    r_angle_refined_deg 1.6
    r_bond_other_d 0.005
    r_bond_refined_d 0.013
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 2957
    Nucleic Acid Atoms 0
    Heterogen Atoms 42
    Solvent Atoms 442
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (intensity integration) XDS
    Data Reduction (data scaling) XSCALE
    Structure Solution SHELXD,SHARP
    Structure Refinement REFMAC 5.7.0029
     
    Software
    refinement REFMAC5 version: 5.7.0029
    data processing Xscale version: March 15, 2012
    phasing SHARP
    phasing SHELX
    data extraction pdb_extract version: 3.10
    validation MOLPROBITY version: 3beta29