POP-OUT | CLOSE

An Information Portal to 105339 Biological Macromolecular Structures

X-RAY DIFFRACTION
Materials and Methods page
1EV6
  •   Crystallization Hide
    Crystallization Experiments
    Method SLOW COOLING
    pH 6.5
    Temperature 298.0
    Details 30 mg insulin, 3.0 ml 0.02 M HCl, 0.3 ml 0.15 M Zinc Acetate, 1.5 ml 0.2 M Sodium Citrate, 1.2 ml 5% m-Cresol in ethanol, pH 6.5, SLOW COOLING, temperature 298.0K
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 61.25 α = 90
    b = 61.74 β = 111.32
    c = 47.47 γ = 90
     
    Space Group
    Space Group Name:    P 1 21 1
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 100
     
    Diffraction Detector
    Detector IMAGE PLATE
    Type RIGAKU RAXIS IV
    Details OSMIC CONFOCAL MIRRORS
    Collection Date 2000-01-18
     
    Diffraction Radiation
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source ROTATING ANODE
    Type RIGAKU RU200
    Wavelength 1.54178
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma (F) 0.0
    Observed Criterion Sigma(I) 0.0
    Resolution(High) 1.8
    Resolution(Low) 20.95
    Number Reflections(All) 28441
    Number Reflections(Observed) 28441
    Percent Possible(Observed) 92.6
    R Merge I(Observed) 0.039
    B(Isotropic) From Wilson Plot 30.6
    Redundancy 6.15
     
    High Resolution Shell Details
    Resolution(High) 1.89
    Resolution(Low) 1.94
    Percent Possible(All) 92.6
    R Merge I(Observed) 0.287
    Mean I Over Sigma(Observed) 5.4
    Redundancy 2.2
     
     
  •   Refinement Hide
    Refinement Statistics
    reflnsShellList 1.9
    Resolution(Low) 20.95
    Cut-off Sigma(I) 0.0
    Cut-off Sigma(F) 0.0
    Number of Reflections(all) 25127
    Number of Reflections(Observed) 25127
    Number of Reflections(R-Free) 2490
    Percent Reflections(Observed) 96.3
    R-Factor(All) 0.195
    R-Factor(Observed) 0.195
    R-Work 0.195
    R-Free 0.235
    R-Free Selection Details random
     
    Temperature Factor Modeling
    Isotropic Thermal Model restrained
    Mean Isotropic B Value 33.7
    Anisotropic B[1][1] -0.84
    Anisotropic B[1][2] 0.0
    Anisotropic B[1][3] 1.98
    Anisotropic B[2][2] -5.09
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] 5.93
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 1.9
    Shell Resolution(Low) 2.02
    Number of Reflections(R-Free) 388
    Number of Reflections(R-Work) 3678
    R-Factor(R-Work) 0.271
    R-Factor(R-Free) 0.333
    R-Free Error 0.017
    Percent Reflections(Observed) 93.9
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    c_scangle_it 3.82
    c_scbond_it 2.59
    c_mcangle_it 2.74
    c_mcbond_it 1.86
    c_improper_angle_d 0.86
    c_dihedral_angle_d 20.8
    c_bond_d 0.009
    c_angle_deg 1.38
     
    Coordinate Error
    Luzzati ESD(Observed) 0.21
    Luzzati Sigma A(Observed) 0.17
    Luzzati Resolution Cutoff(Low) 5.0
    Luzzati ESD(R-Free Set) 0.27
    Luzzati Sigma A(R-Free Set) 0.22
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 2349
    Nucleic Acid Atoms 0
    Heterogen Atoms 61
    Solvent Atoms 230
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (intensity integration) DENZO
    Data Reduction (data scaling) SCALEPACK
    Structure Solution CNS 1.0
    Structure Refinement CNS 1.0
     
    Software
    refinement CNS version: 1.0
    model building CNS version: 1.0
    data reduction SCALEPACK
    data collection DENZO