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X-RAY DIFFRACTION
Materials and Methods page
4FKA
  •   Crystallization Hide
    Crystallization Experiments
    Method VAPOR DIFFUSION, HANGING DROP
    pH 6.4
    Temperature 291.0
    Details The protein solution consisted of 7.5 mg mL-1 of zinc-free insulin in 0.02 mol L-1 hydrochloric acid. The reservoir solution was at pH 6.4 containing 1mM sodium citrate, volume fraction of aceton 10 % ,9 mmol L-1 manganese(II) sulphate monohydrate and redistilled water, VAPOR DIFFUSION, HANGING DROP, temperature 291K
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 81.7 α = 90
    b = 81.7 β = 90
    c = 33.73 γ = 120
     
    Space Group
    Space Group Name:    H 3
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 100
     
    Diffraction Detector
    Detector CCD
    Type MARRESEARCH
     
    Diffraction Radiation
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source SYNCHROTRON
    Type ELETTRA BEAMLINE 5.2R
    Wavelength List 1
    Site ELETTRA
    Beamline 5.2R
     
     
  •   Refinement Data Hide
    Reflection Details
    Resolution(High) 1
    Resolution(Low) 10.48
    Number Reflections(Observed) 43875
    Percent Possible(Observed) 96.7
    R Merge I(Observed) 0.089
    Redundancy 2.7
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 1.08
    Resolution(Low) 10.28
    Number of Reflections(Observed) 33568
    Number of Reflections(R-Free) 1770
    Percent Reflections(Observed) 98.16
    R-Factor(Observed) 0.16114
    R-Work 0.15939
    R-Free 0.19447
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Mean Isotropic B Value 8.583
    Anisotropic B[1][1] -0.01
    Anisotropic B[1][2] -0.01
    Anisotropic B[1][3] 0.0
    Anisotropic B[2][2] -0.01
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] 0.02
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 1.08
    Shell Resolution(Low) 1.108
    Number of Reflections(R-Free) 129
    Number of Reflections(R-Work) 2471
    R-Factor(R-Work) 0.233
    R-Factor(R-Free) 0.299
    Percent Reflections(Observed) 99.96
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    r_sphericity_bonded 10.263
    r_sphericity_free 32.994
    r_bond_refined_d 0.027
    r_bond_other_d 0.003
    r_angle_refined_deg 2.42
    r_angle_other_deg 1.313
    r_dihedral_angle_1_deg 6.986
    r_dihedral_angle_2_deg 34.271
    r_dihedral_angle_3_deg 11.804
    r_dihedral_angle_4_deg 8.663
    r_chiral_restr 0.159
    r_gen_planes_refined 0.012
    r_gen_planes_other 0.002
    r_rigid_bond_restr 8.047
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 810
    Nucleic Acid Atoms 0
    Heterogen Atoms 3
    Solvent Atoms 190
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (intensity integration) MOSFLM
    Data Reduction (data scaling) SCALA
    Structure Solution AMoRE
    Structure Refinement REFMAC 5.6.0117
     
    Software
    refinement REFMAC version: 5.6.0117
    model building AMoRE