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An Information Portal to 105097 Biological Macromolecular Structures

X-RAY DIFFRACTION
Materials and Methods page
4HWY
  •   Crystallization Hide
    Crystallization Experiments
    Method Crystallization in vivo within living SF9 insect cells
    pH 7.4
    Temperature 310.15
    Details Spontaneous formation of needle-shaped microcrystals in Sf9 cells infected with recombinant baculovirus containing the gene encoding the pre-pro form of Trypanosoma brucei cathepsin B, pH 7.4, Crystallization in vivo within living SF9 insect cells, temperature 310.15K
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 125.4 α = 90
    b = 125.4 β = 90
    c = 54.56 γ = 90
     
    Space Group
    Space Group Name:    P 42 21 2
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 293
     
    Diffraction Detector
    Detector PIXEL
    Type Cornell-SLAC Pixel Array Detector
    Collection Date 2011-02-01
     
    Diffraction Radiation
    Monochromator CXI
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source Free-electron laser LCLS
    Type OTHER
    Wavelength List 1.32
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma (F) 0.0
    Observed Criterion Sigma(I) 0.0
    Resolution(High) 2.1
    Resolution(Low) 20
    Number Reflections(All) 25969
    Number Reflections(Observed) 25969
    Percent Possible(Observed) 100.0
     
    High Resolution Shell Details
    Resolution(High) 2.1
    Resolution(Low) 2.175
    Percent Possible(All) 100.0
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 2.1
    Resolution(Low) 88.67
    Number of Reflections(all) 24648
    Number of Reflections(Observed) 24648
    Number of Reflections(R-Free) 1321
    Percent Reflections(Observed) 99.99
    R-Factor(Observed) 0.18335
    R-Work 0.18181
    R-Free 0.21308
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Mean Isotropic B Value 46.244
    Anisotropic B[1][1] 0.36
    Anisotropic B[1][2] 0.0
    Anisotropic B[1][3] 0.0
    Anisotropic B[2][2] 0.36
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] -0.72
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 2.1
    Shell Resolution(Low) 2.155
    Number of Reflections(R-Free) 90
    Number of Reflections(R-Work) 1612
    R-Factor(R-Work) 0.317
    R-Factor(R-Free) 0.368
    Percent Reflections(Observed) 100.0
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    r_gen_planes_refined 0.012
    r_chiral_restr 0.122
    r_dihedral_angle_4_deg 21.773
    r_dihedral_angle_3_deg 15.671
    r_dihedral_angle_2_deg 33.25
    r_dihedral_angle_1_deg 6.964
    r_angle_refined_deg 1.54
    r_bond_refined_d 0.013
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 2386
    Nucleic Acid Atoms 0
    Heterogen Atoms 67
    Solvent Atoms 98
     
     
  •   Software and Computing Hide
    Computing
    Data Collection CXI DAQ
    Data Reduction (intensity integration) CrystFEL
    Data Reduction (data scaling) CrystFEL
    Structure Solution MOLREP
    Structure Refinement REFMAC 5.6.0117
     
    Software
    refinement REFMAC version: 5.6.0117
    model building MOLREP
    data collection CXI version: DAQ