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An Information Portal to 105025 Biological Macromolecular Structures

X-RAY DIFFRACTION
Materials and Methods page
1GAQ
  •   Crystallization Hide
    Crystallization Experiments
    Method VAPOR DIFFUSION, HANGING DROP
    pH 7.5
    Temperature 277.0
    Details PEG 4000, Tris, sodium chloride, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 277K
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 57.07 α = 90
    b = 93.41 β = 90
    c = 135.66 γ = 90
     
    Space Group
    Space Group Name:    P 21 21 21
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 100
     
    Diffraction Detector
    Detector CCD
    Type MARRESEARCH
    Collection Date 1999-12-18
     
    Diffraction Radiation
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source SYNCHROTRON
    Type SPRING-8 BEAMLINE BL41XU
    Wavelength 1.0
    Site SPRING-8
    Beamline BL41XU
     
     
  •   Refinement Data Hide
    Reflection Details
    B(Isotropic) From Wilson Plot 33.9
     
    High Resolution Shell Details
    Resolution(High) 2.68
    Resolution(Low) 2.85
     
     
  •   Refinement Hide
    Refinement Statistics
    reflnsShellList 2.59
    Resolution(Low) 39.56
    Cut-off Sigma(F) 2.0
    Number of Reflections(Observed) 22761
    Number of Reflections(R-Free) 1152
    Percent Reflections(Observed) 97.8
    R-Work 0.232
    R-Free 0.297
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Isotropic Thermal Model RESTRAINED
    Mean Isotropic B Value 47.1
    Anisotropic B[1][1] -4.4
    Anisotropic B[1][2] 0.0
    Anisotropic B[1][3] 0.0
    Anisotropic B[2][2] 4.23
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] 0.17
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 2.59
    Shell Resolution(Low) 2.75
    Number of Reflections(R-Free) 181
    Number of Reflections(R-Work) 3482
    R-Factor(R-Work) 0.318
    R-Factor(R-Free) 0.4
    R-Free Error 0.03
    Percent Reflections(Observed) 96.6
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    c_scangle_it 2.59
    c_scbond_it 1.81
    c_mcangle_it 2.31
    c_mcbond_it 1.36
    c_improper_angle_d 0.78
    c_bond_d 0.007
    c_angle_deg 1.3
    c_dihedral_angle_d 23.8
     
    Coordinate Error
    Luzzati ESD(Observed) 0.35
    Luzzati Sigma A(Observed) 0.33
    Luzzati Resolution Cutoff(Low) 5.0
    Luzzati ESD(R-Free Set) 0.49
    Luzzati Sigma A(R-Free Set) 0.48
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 5442
    Nucleic Acid Atoms 0
    Heterogen Atoms 110
    Solvent Atoms 133
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (intensity integration) MOSFLM
    Data Reduction (data scaling) CCP4 (SCALA)
    Structure Solution AMORE
    Structure Refinement CNS 1.0
     
    Software
    refinement CNS version: 1.0
    model building AMORE