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X-RAY DIFFRACTION
Materials and Methods page
1GWD
  •   Crystallization Hide
    Crystallization Experiments
    pH 4.7
    Details 2M NACL, 0.025M SODIUM ACETATE AT PH4.7,0.1% SODIUM AZIDE, 25% ETHYLENE GLYCOL AND THEN SOAKED IN AN EQUIVALENT SOLUTION WITH 50MM KI/50MM I2., pH 4.70
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 79.05 α = 90
    b = 79.05 β = 90
    c = 36.82 γ = 90
     
    Space Group
    Space Group Name:    P 43 21 2
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 100
     
    Diffraction Detector
    Detector MAR 180CM PLATE
    Type MARRESEARCH
    Details SUPPER MIRRORS
    Collection Date 2000-10-15
     
    Diffraction Radiation
    Monochromator NI FILTER
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source ROTATING ANODE
    Type ELLIOT GX-13
    Wavelength 1.5418
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma(I) 6.0
    Resolution(High) 1.77
    Resolution(Low) 15.09
    Number Reflections(Observed) 143946
    Percent Possible(Observed) 99.8
    R Merge I(Observed) 0.021
    Redundancy 12.1
     
    High Resolution Shell Details
    Resolution(High) 1.77
    Resolution(Low) 1.87
    Percent Possible(All) 99.8
    R Merge I(Observed) 0.046
    Mean I Over Sigma(Observed) 15.5
    Redundancy 11.7
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method OTHER
    reflnsShellList 1.77
    Resolution(Low) 15.09
    Cut-off Sigma(F) 0.0
    Number of Reflections(Observed) 11832
    Number of Reflections(R-Free) 589
    Percent Reflections(Observed) 99.8
    R-Factor(Observed) 0.17
    R-Work 0.168
    R-Free 0.211
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Data Not Available
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 1001
    Nucleic Acid Atoms 0
    Heterogen Atoms 25
    Solvent Atoms 103
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (intensity integration) MOSFLM
    Data Reduction (data scaling) CCP4 (SCALA)
    Structure Refinement BUSTER/TNT
     
    Software
    refinement BUSTER/TNT