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X-RAY DIFFRACTION
Materials and Methods page
1GK6
  •   Crystallization Hide
    Crystallization Experiments
    pH 8.5
    Details HANGING DROPS WITH 12.5MG/ML PROTEIN AND 0.55M (NH4)2HPO4, PH ADJUSTED TO 9.0 WITH NAOH, AS PRECIPITANT
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 98.8 α = 90
    b = 98.8 β = 90
    c = 36.47 γ = 120
     
    Space Group
    Space Group Name:    P 31 2 1
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 100
     
    Diffraction Detector
    Detector IP
    Type MARRESEARCH
    Collection Date 1998-11-20
     
    Diffraction Radiation
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source SYNCHROTRON
    Type EMBL/DESY, HAMBURG BEAMLINE X31
    Wavelength 1.2545
    Site EMBL/DESY, HAMBURG
    Beamline X31
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma(I) 0.0
    Resolution(High) 1.9
    Resolution(Low) 33.5
    Number Reflections(Observed) 16241
    Percent Possible(Observed) 99.2
    R Merge I(Observed) 0.063
    Redundancy 3.7
     
    High Resolution Shell Details
    Resolution(High) 1.9
    Resolution(Low) 1.97
    Percent Possible(All) 99.4
    R Merge I(Observed) 0.372
    Mean I Over Sigma(Observed) 3.3
    Redundancy 3.6
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 1.9
    Resolution(Low) 35.0
    Cut-off Sigma(F) 0.0
    Number of Reflections(Observed) 15422
    Number of Reflections(R-Free) 819
    Percent Reflections(Observed) 99.2
    R-Factor(Observed) 0.20062
    R-Work 0.19927
    R-Free 0.2267
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Data Not Available
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 870
    Nucleic Acid Atoms 0
    Heterogen Atoms 0
    Solvent Atoms 194
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (intensity integration) DENZO
    Data Reduction (data scaling) SCALEPACK
    Structure Solution CCP4
    Structure Refinement REFMAC
     
    Software
    refinement REFMAC
    model building CCP4