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X-RAY DIFFRACTION
Materials and Methods page
1NKN
  •   Crystallization Hide
    Crystallization Experiments
    Method VAPOR DIFFUSION, HANGING DROP
    pH 6.9
    Temperature 289.0
    Details sodium chloride, sodium azide, MOPS, PEG 200 MME, pH 6.9, VAPOR DIFFUSION, HANGING DROP, temperature 289K
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 54.03 α = 90
    b = 73.3 β = 90
    c = 102.97 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 ADSC QUANTUM 4
     
    Diffraction Radiation
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source SYNCHROTRON
    Type CHESS BEAMLINE A1
    Wavelength List 0.939
    Site CHESS
    Beamline A1
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma (F) 2.0
    Observed Criterion Sigma(I) 2.0
    Resolution(High) 2.5
    Resolution(Low) 40
    Number Reflections(All) 14762
    Number Reflections(Observed) 13342
    Percent Possible(Observed) 90.4
    R Merge I(Observed) 0.062
    B(Isotropic) From Wilson Plot 49.4
    Redundancy 4.7
     
    High Resolution Shell Details
    Resolution(High) 2.5
    Resolution(Low) 2.59
    Percent Possible(All) 75.7
    R Merge I(Observed) 0.203
    Mean I Over Sigma(Observed) 5.28
    Redundancy 2.76
    Number Unique Reflections(All) 1458
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 2.5
    Resolution(Low) 40.0
    Cut-off Sigma(F) 0.0
    Number of Reflections(Observed) 12880
    Number of Reflections(R-Free) 911
    Percent Reflections(Observed) 87.4
    R-Factor(All) 0.2467
    R-Factor(Observed) 0.2467
    R-Work 0.2435
    R-Free 0.2893
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Data Not Available
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 2.5
    Shell Resolution(Low) 2.55
    Number of Reflections(Observed) 1268
    Number of Reflections(R-Free) 95
    R-Factor(R-Work) 0.3224
    R-Factor(R-Free) 0.4153
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 2.55
    Shell Resolution(Low) 2.6
    Number of Reflections(Observed) 1374
    Number of Reflections(R-Free) 113
    R-Factor(R-Work) 0.2988
    R-Factor(R-Free) 0.3805
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 2.6
    Shell Resolution(Low) 2.66
    Number of Reflections(Observed) 1445
    Number of Reflections(R-Free) 88
    R-Factor(R-Work) 0.2919
    R-Factor(R-Free) 0.3244
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 2.66
    Shell Resolution(Low) 2.72
    Number of Reflections(Observed) 1539
    Number of Reflections(R-Free) 100
    R-Factor(R-Work) 0.2878
    R-Factor(R-Free) 0.3287
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 2.72
    Shell Resolution(Low) 2.79
    Number of Reflections(Observed) 1680
    Number of Reflections(R-Free) 111
    R-Factor(R-Work) 0.2722
    R-Factor(R-Free) 0.3055
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    c_angle_deg 1.012
    c_bond_d 0.006
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 2495
    Nucleic Acid Atoms 0
    Heterogen Atoms 0
    Solvent Atoms 82
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (intensity integration) DENZO
    Data Reduction (data scaling) SCALEPACK
    Structure Solution AMORE
    Structure Refinement CNS 1.0
     
    Software
    refinement CNS version: 1.0
    model building AMoRE
    data reduction SCALEPACK
    data collection DENZO