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X-RAY DIFFRACTION
Materials and Methods page
1NR6
  •   Crystallization Hide
    Crystallization Experiments
    Method VAPOR DIFFUSION
    pH 7
    Temperature 298.0
    Details AMMONIUM SULFATE, CYMAL5, pH 7.0, VAPOR DIFFUSION, temperature 298K
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 73.94 α = 90
    b = 130.02 β = 90
    c = 172.78 γ = 90
     
    Space Group
    Space Group Name:    I 2 2 2
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 100
     
    Diffraction Detector
    Detector CCD
    Type ADSC QUANTUM 4
    Collection Date 2001-06-03
     
    Diffraction Radiation
    Monochromator FOCUSING MIRRORS
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source SYNCHROTRON
    Type SSRL BEAMLINE BL11-1
    Wavelength List 0.965
    Site SSRL
    Beamline BL11-1
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma (F) 0.0
    Observed Criterion Sigma(I) 0.0
    Resolution(High) 2.1
    Resolution(Low) 50
    Number Reflections(Observed) 48402
    Percent Possible(Observed) 99.1
    R Merge I(Observed) 0.072
    B(Isotropic) From Wilson Plot 46.2
    Redundancy 3.8
     
    High Resolution Shell Details
    Resolution(High) 2.1
    Resolution(Low) 2.15
    Percent Possible(All) 98.5
    R Merge I(Observed) 0.565
    Mean I Over Sigma(Observed) 1.7
    R-Sym I(Observed) 0.565
    Redundancy 2.8
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 2.1
    Resolution(Low) 50.0
    Cut-off Sigma(F) 0.0
    Number of Reflections(all) 48402
    Number of Reflections(Observed) 48402
    Number of Reflections(R-Free) 4344
    R-Factor(All) 0.231
    R-Factor(Observed) 0.231
    R-Work 0.231
    R-Free 0.268
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Isotropic Thermal Model ISOTROPIC
    Mean Isotropic B Value 46.2
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 2.1
    Shell Resolution(Low) 2.18
    Number of Reflections(Observed) 7130
    Number of Reflections(R-Free) 421
    R-Factor(R-Work) 0.323
    R-Factor(R-Free) 0.349
    Percent Reflections(Observed) 98.5
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    c_angle_deg 1.34
    c_bond_d 0.008
     
    Coordinate Error
    Luzzati ESD(Observed) 0.3
    Luzzati Sigma A(Observed) 0.32
    Luzzati ESD(R-Free Set) 0.35
    Luzzati Sigma A(R-Free Set) 0.31
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 3697
    Nucleic Acid Atoms 0
    Heterogen Atoms 72
    Solvent Atoms 262
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (intensity integration) BLU-ICE
    Data Reduction (data scaling) MOSFLM, CCP4 (SCALA)
    Structure Solution CNS
    Structure Refinement CNS 1.1
     
    Software
    refinement CNS version: 1.1
    model building CNS
    data reduction CCP4 version: SCALA
    data reduction MOSFLM
    data collection SSRL version: BLU-ICE