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An Information Portal to 105339 Biological Macromolecular Structures

X-RAY DIFFRACTION
Materials and Methods page
1AN7
  •   Crystallization Hide
    Crystallization Experiments
    pH 6
    Details pH 6.0
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 67.86 α = 90
    b = 67.86 β = 90
    c = 174.09 γ = 90
     
    Space Group
    Space Group Name:    P 41 21 2
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 293
     
    Diffraction Detector
    Detector IMAGE PLATE
    Type MAR scanner 300 mm plate
    Collection Date 1996-02-10
     
    Diffraction Radiation
    Monochromator GRAPHITE(002)
     
    Diffraction Source
    Source ROTATING ANODE
    Type RIGAKU RUH2R
    Wavelength 1.5418
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma(I) 0.0
    Resolution(High) 2.9
    Resolution(Low) 20
    Number Reflections(Observed) 8932
    Percent Possible(Observed) 94.5
    R Merge I(Observed) 0.051
    B(Isotropic) From Wilson Plot 33.6
    Redundancy 3.6
     
    High Resolution Shell Details
    Resolution(High) 2.9
    Resolution(Low) 2.95
    Percent Possible(All) 93.6
    R Merge I(Observed) 0.019
    Redundancy 3.2
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MIR
    reflnsShellList 2.9
    Resolution(Low) 8.0
    Number of Reflections(Observed) 8932
    Number of Reflections(R-Free) 871
    R-Factor(Observed) 0.162
    R-Work 0.162
    R-Free 0.275
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Mean Isotropic B Value 37.0
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    x_improper_angle_d 1.432
    x_bond_d 0.016
    x_angle_deg 3.477
    x_dihedral_angle_d 25.29
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 2200
    Nucleic Acid Atoms 0
    Heterogen Atoms 0
    Solvent Atoms 0
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (intensity integration) DENZO
    Data Reduction (data scaling) SCALEPACK
    Structure Solution X-PLOR 3.1
    Structure Refinement X-PLOR 3.1
     
    Software
    refinement X-PLOR version: 3.1
    model building X-PLOR version: 3.1