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An Information Portal to 105339 Biological Macromolecular Structures

X-RAY DIFFRACTION
Materials and Methods page
1S50
  •   Crystallization Hide
    Crystallization Experiments
    Method VAPOR DIFFUSION, HANGING DROP
    pH 8
    Temperature 293.0
    Details 24% PEG 4000 2 TRIS 20 NaCl 1 EDTA 10 NaGlu , pH 8.0, VAPOR DIFFUSION, HANGING DROP, temperature 293K
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 52.27 α = 90
    b = 52.27 β = 90
    c = 169.41 γ = 120
     
    Space Group
    Space Group Name:    P 61
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 100
     
    Diffraction Detector
    Detector CCD
    Type ADSC QUANTUM 4
    Collection Date 2003-07-27
     
    Diffraction Radiation
    Monochromator monochromator
    Diffraction Protocol Single Wavelength 0.97946
     
    Diffraction Source
    Source SYNCHROTRON
    Type NSLS BEAMLINE X9B
    Wavelength 0.97946
    Site NSLS
    Beamline X9B
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma (F) 2.0
    Observed Criterion Sigma(I) 2.0
    Resolution(High) 1.65
    Resolution(Low) 30
    Number Reflections(All) 31388
    Number Reflections(Observed) 31253
    Percent Possible(Observed) 99.6
    R Merge I(Observed) 0.06
    B(Isotropic) From Wilson Plot 19.41
    Redundancy 3.6
     
    High Resolution Shell Details
    Resolution(High) 1.65
    Resolution(Low) 1.71
    Percent Possible(All) 99.9
    R Merge I(Observed) 0.355
    Mean I Over Sigma(Observed) 3.82
    Redundancy 3.5
    Number Unique Reflections(All) 3122
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 1.65
    Resolution(Low) 27.13
    Cut-off Sigma(F) 2.0
    Number of Reflections(all) 31253
    Number of Reflections(Observed) 31251
    Number of Reflections(R-Free) 1552
    Percent Reflections(Observed) 99.4
    R-Factor(All) 0.2018
    R-Factor(Observed) 0.2013
    R-Work 0.1997
    R-Free 0.2299
    R-Free Selection Details random
     
    Temperature Factor Modeling
    Isotropic Thermal Model overall anisotropic
    Mean Isotropic B Value 20.7
    Anisotropic B[1][1] 0.84
    Anisotropic B[1][2] 0.84
    Anisotropic B[1][3] -1.67
    Anisotropic B[2][2] 0.89
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] 0.0
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 1.65
    Shell Resolution(Low) 1.71
    Number of Reflections(Observed) 3122
    Number of Reflections(R-Free) 164
    R-Factor(R-Work) 0.276
    R-Factor(R-Free) 0.303
    R-Free Error 0.018
    Percent Reflections(Observed) 99.5
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    c_improper_angle_d 0.78
    c_dihedral_angle_d 21.3
    c_angle_deg 1.2
    c_bond_d 0.005
     
    Coordinate Error
    Luzzati ESD(Observed) 0.19
    Luzzati Sigma A(Observed) 0.18
    Luzzati Resolution Cutoff(Low) 5.0
    Luzzati ESD(R-Free Set) 0.23
    Luzzati Sigma A(R-Free Set) 0.2
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 2057
    Nucleic Acid Atoms 0
    Heterogen Atoms 10
    Solvent Atoms 359
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (intensity integration) HKL-2000
    Data Reduction (data scaling) SCALEPACK
    Structure Solution AMORE
    Structure Refinement CNS
     
    Software
    refinement CNS
    model building AMoRE
    data reduction SCALEPACK
    data collection HKL-2000