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X-RAY DIFFRACTION
Materials and Methods page
1ZEH
  •   Crystallization Hide
    Crystallization Experiments
    Method batch method
    pH 6.8
    Details BATCH METHOD, COMPOSITION OF CRYSTALLISATION SOLUTION 3.5 MG INSULIN + 0.5 ML 0.02M HCL + 0.05 ML 0.12M ZINC ACETATE + 0.25 ML 0.2M TRI-SODIUM CITRATE + 0.2 ML 2.5% (W/V) M-CRESOL IN ETHANOL + 60 MG NACL, pH 6.8, batch method
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 77.49 α = 90
    b = 77.49 β = 90
    c = 38.91 γ = 120
     
    Space Group
    Space Group Name:    H 3
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 120
     
    Diffraction Detector
    Detector IMAGE PLATE
    Type MARRESEARCH
    Collection Date 1997-01-27
     
    Diffraction Radiation
     
    Diffraction Source
    Source ROTATING ANODE
    Type RIGAKU RUH2R
    Wavelength 1.5418
     
     
  •   Refinement Data Hide
    Reflection Details
    Resolution(High) 1.5
    Resolution(Low) 19.4
    Number Reflections(Observed) 13601
    Percent Possible(Observed) 97.5
    R Merge I(Observed) 0.07
    B(Isotropic) From Wilson Plot 16.9
    Redundancy 7.5
     
    High Resolution Shell Details
    Resolution(High) 1.5
    Resolution(Low) 1.53
    Percent Possible(All) 54.6
    R Merge I(Observed) 0.169
     
     
  •   Refinement Hide
    Refinement Statistics
    reflnsShellList 1.5
    Resolution(Low) 19.4
    Cut-off Sigma(F) 0.0
    Number of Reflections(Observed) 13601
    Percent Reflections(Observed) 97.5
    R-Work 0.159
    R-Free 0.193
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Mean Isotropic B Value 20.1
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    p_transverse_tor 16.6
    p_staggered_tor 12.9
    p_planar_tor 6.0
    p_xyhbond_nbd 0.101
    p_multtor_nbd 0.276
    p_bond_d 0.014
    p_angle_d 0.036
    p_planar_d 0.036
    p_mcbond_it 1.564
    p_mcangle_it 2.359
    p_scbond_it 2.061
    p_scangle_it 2.987
    p_plane_restr 0.027
    p_chiral_restr 0.117
    p_singtor_nbd 0.169
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 812
    Nucleic Acid Atoms 0
    Heterogen Atoms 44
    Solvent Atoms 107
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (intensity integration) DENZO
    Data Reduction (data scaling) SCALEPACK
    Structure Refinement REFMAC
     
    Software
    refinement REFMAC
    data reduction SCALEPACK
    data collection DENZO