POP-OUT | CLOSE

An Information Portal to 110790 Biological Macromolecular Structures

X-RAY DIFFRACTION
Materials and Methods page
1KP8
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 135.57 α = 90
    b = 260.11 β = 101.14
    c = 150.2 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 FUJI
    Collection Date 1994-09-01
     
    Diffraction Radiation
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source SYNCHROTRON
    Type NSLS BEAMLINE X25
    Wavelength 0.95
    Site NSLS
    Beamline X25
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma (F) 0.0
    Observed Criterion Sigma(I) 0.0
    Resolution(High) 2
    Resolution(Low) 40
    Number Reflections(Observed) 646053
    Percent Possible(Observed) 94.5
    R Merge I(Observed) 0.096
    B(Isotropic) From Wilson Plot 15.6
    Redundancy 2.6
     
     
  •   Refinement Hide
    Refinement Statistics
    reflnsShellList 2.0
    Resolution(Low) 39.89
    Cut-off Sigma(F) 0.0
    Number of Reflections(Observed) 540791
    Number of Reflections(R-Free) 10647
    Percent Reflections(Observed) 78.9
    R-Work 0.243
    R-Free 0.258
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Isotropic Thermal Model RESTRAINED
    Mean Isotropic B Value 73.4
    Anisotropic B[1][1] -11.7
    Anisotropic B[1][2] 0.0
    Anisotropic B[1][3] 1.84
    Anisotropic B[2][2] -1.09
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] 12.8
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 2.0
    Shell Resolution(Low) 2.13
    Number of Reflections(R-Free) 1190
    Number of Reflections(R-Work) 60087
    R-Factor(R-Work) 0.519
    R-Factor(R-Free) 0.495
    R-Free Error 0.014
    Percent Reflections(Observed) 53.9
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    c_improper_angle_d 0.76
    c_dihedral_angle_d 20.0
    c_angle_deg 1.1
    c_bond_d 0.006
     
    Coordinate Error
    Luzzati ESD(Observed) 0.37
    Luzzati Sigma A(Observed) 0.68
    Luzzati Resolution Cutoff(Low) 5.0
    Luzzati ESD(R-Free Set) 0.39
    Luzzati Sigma A(R-Free Set) 0.64
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 53970
    Nucleic Acid Atoms 0
    Heterogen Atoms 574
    Solvent Atoms 2541
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (intensity integration) HKL
    Data Reduction (data scaling) HKL
    Structure Refinement CNS 1.0
     
    Software
    refinement CNS version: 1.0