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X-RAY DIFFRACTION
Materials and Methods page
2J9N
  •   Crystallization Hide
    Crystallization Experiments
    pH 7
    Details STOCK: 60 MG BOVINE TRYPSIN (SIGMA) PLUS 5 MG BENZAMIDINE (SIGMA) IN 1 ML OF HEPES BUFFER 0.1M PH 7.0 AND 3 MM CACL2. COCKTAIL: 15% PEG 3350 IN 0.1 M HEPES PH 7.0 ALSO CONTAINING 10 MG/ML SALMON SPERM PROTAMINE (SIGMA) DROP: 2 UL STOCK PLUS 2 UL COCKTAIL IN CRYSCHEM PLATES AT 22 DEG C.
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 53.92 α = 90
    b = 56.69 β = 90
    c = 66.05 γ = 90
     
    Space Group
    Space Group Name:    P 21 21 21
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 125
     
    Diffraction Detector
    Detector PROTEUM X8
    Type BRUKER AXS
    Details MIRROR
    Collection Date 2006-08-03
     
    Diffraction Radiation
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source ROTATING ANODE
    Type BRUKER MICROSTAR
    Wavelength 1.54178
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma(I) 2.0
    Resolution(High) 1.5
    Resolution(Low) 25.09
    Number Reflections(Observed) 31641
    Percent Possible(Observed) 99.3
    R Merge I(Observed) 0.05
    Redundancy 7.46
     
    High Resolution Shell Details
    Resolution(High) 1.5
    Resolution(Low) 1.57
    Percent Possible(All) 95.9
    R Merge I(Observed) 0.31
    Mean I Over Sigma(Observed) 3.84
    Redundancy 3.32
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 1.5
    Resolution(Low) 25.09
    Number of Reflections(Observed) 31363
    Number of Reflections(R-Free) 1664
    Percent Reflections(Observed) 99.8
    R-Factor(Observed) 0.155
    R-Work 0.154
    R-Free 0.176
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Mean Isotropic B Value 12.45
    Anisotropic B[1][1] -0.1
    Anisotropic B[1][2] 0.0
    Anisotropic B[1][3] 0.0
    Anisotropic B[2][2] 0.08
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] 0.03
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 1.5
    Shell Resolution(Low) 1.54
    Number of Reflections(R-Free) 130
    Number of Reflections(R-Work) 2245
    R-Factor(R-Work) 0.199
    R-Factor(R-Free) 0.281
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    r_scangle_it 4.886
    r_scbond_it 3.451
    r_mcangle_it 2.691
    r_mcbond_it 1.739
    r_nbd_refined 0.191
    r_gen_planes_other 0.001
    r_gen_planes_refined 0.006
    r_chiral_restr 0.086
    r_dihedral_angle_4_deg 15.038
    r_dihedral_angle_3_deg 11.833
    r_dihedral_angle_2_deg 40.002
    r_dihedral_angle_1_deg 6.466
    r_angle_other_deg 0.892
    r_angle_refined_deg 1.324
    r_bond_other_d 0.001
    r_bond_refined_d 0.01
    r_nbd_other 0.193
    r_nbtor_refined 0.174
    r_nbtor_other 0.086
    r_xyhbond_nbd_refined 0.139
    r_symmetry_vdw_refined 0.165
    r_symmetry_vdw_other 0.247
    r_symmetry_hbond_refined 0.149
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 1708
    Nucleic Acid Atoms 0
    Heterogen Atoms 18
    Solvent Atoms 208
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (intensity integration) BRUKER
    Data Reduction (data scaling) SCALEPACK
    Structure Solution EPMR, SHAKEANDWARP
    Structure Refinement REFMAC 5.2.0019
     
    Software
    refinement REFMAC version: 5.2.0019
    model building SHAKEANDWARP
    model building EPMR