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X-RAY DIFFRACTION
Materials and Methods page
4ABJ
  •   Crystallization Hide
    Crystallization Experiments
    Details 2.0 M (NH4)2SO4,50 MM TRIS PH 8.5 WITH 30 MG/ML TRYPSIN (SIDMA T1246) IN 0.3 M (NH4)2SO4, 6 MM CACL2, 0.1 M TRIS PH 8.15, 60 MM BENZAMIDINE) TO 10 UL PROTEIN SOL 0.5 UL DIMETHYLFORMAMID WAS ADDED PRIOR CRYSTAL SET UP CRYSTALS WERE SOAKED WITH ICA-SFTI (ADDED IN LYOPHYLIZED FORM TO THE CRYSTALLIZATION DROP AFTER 2 WEEKS). TOTAL SOAKING TIME 8 DAYS.
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 61.8 α = 90
    b = 63.4 β = 90
    c = 69.3 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 (SATURN 944PLUS)
    Type RIGAKU
    Details MIRRORS
    Collection Date 2011-11-14
     
    Diffraction Radiation
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source ROTATING ANODE
    Wavelength 1.5418
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma(I) 2.0
    Resolution(High) 1.45
    Resolution(Low) 46.8
    Number Reflections(Observed) 40999
    Percent Possible(Observed) 95.5
    R Merge I(Observed) 0.1
    Redundancy 11.2
     
    High Resolution Shell Details
    Resolution(High) 1.45
    Resolution(Low) 1.48
    Percent Possible(All) 84.0
    R Merge I(Observed) 0.45
    Mean I Over Sigma(Observed) 3.7
    Redundancy 7.0
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 1.45
    Resolution(Low) 46.8
    Cut-off Sigma(F) 2.0
    Number of Reflections(Observed) 40999
    Number of Reflections(R-Free) 2163
    Percent Reflections(Observed) 95.5
    R-Factor(Observed) 0.19098
    R-Work 0.19031
    R-Free 0.20352
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Mean Isotropic B Value 20.494
    Anisotropic B[1][1] 0.29
    Anisotropic B[1][2] 0.0
    Anisotropic B[1][3] 0.0
    Anisotropic B[2][2] -0.25
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] -0.05
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 1.45
    Shell Resolution(Low) 1.487
    Number of Reflections(R-Free) 82
    Number of Reflections(R-Work) 1549
    R-Factor(R-Work) 0.21
    R-Factor(R-Free) 0.268
    Percent Reflections(Observed) 46.88
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    r_gen_planes_refined 0.006
    r_chiral_restr 0.077
    r_dihedral_angle_4_deg 16.071
    r_dihedral_angle_3_deg 11.353
    r_dihedral_angle_2_deg 37.335
    r_dihedral_angle_1_deg 6.278
    r_angle_refined_deg 1.261
    r_bond_refined_d 0.007
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 1715
    Nucleic Acid Atoms 0
    Heterogen Atoms 35
    Solvent Atoms 282
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (intensity integration) HKL2000
    Data Reduction (data scaling) DENZO
    Structure Solution PHASER
    Structure Refinement REFMAC 5.6.0117
     
    Software
    refinement REFMAC version: 5.6.0117
    model building PHASER