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X-RAY DIFFRACTION
Materials and Methods page
1AVP
  •   Crystallization Hide
    Crystallization Experiments
    pH 6.5
    Details pH 6.5
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 114.3 α = 90
    b = 114.3 β = 90
    c = 50 γ = 120
     
    Space Group
    Space Group Name:    P 61
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 300
     
    Diffraction Detector
    Detector AREA DETECTOR
    Type ENRAF-NONIUS FAST
    Details COLLIMATOR
    Collection Date 1995-05-10
     
    Diffraction Radiation
    Monochromator SI(111)
     
    Diffraction Source
    Source SYNCHROTRON
    Type NSLS BEAMLINE X12C
    Wavelength 1.15
    Site NSLS
    Beamline X12C
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma(I) 3.0
    Resolution(High) 2.6
    Resolution(Low) 50
    Number Reflections(Observed) 11559
    Percent Possible(Observed) 98.8
    R Merge I(Observed) 0.077
    Redundancy 5.0
     
    High Resolution Shell Details
    Resolution(High) 2.6
    Resolution(Low) 2.69
    Percent Possible(All) 97.6
    R Merge I(Observed) 0.145
    Mean I Over Sigma(Observed) 16.0
    Redundancy 6.0
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method SIRAS SOFTWARE USED : NULL STARTING MODEL FOR MOLECULAR REPLACEMENT: NULL
    reflnsShellList 2.6
    Resolution(Low) 6.0
    Number of Reflections(Observed) 11559
    Number of Reflections(R-Free) 1086
    Percent Reflections(Observed) 98.8
    R-Factor(Observed) 0.184
    R-Work 0.184
    R-Free 0.233
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Data Not Available
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 2.6
    Shell Resolution(Low) 2.64
    Number of Reflections(R-Free) 39
    Number of Reflections(R-Work) 420
    R-Factor(R-Work) 0.216
    R-Factor(R-Free) 0.334
    R-Free Error 0.053
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    x_improper_angle_d 1.169
    x_bond_d 0.008
    x_angle_deg 1.6
    x_dihedral_angle_d 23.6
     
    Coordinate Error
    Luzzati ESD(Observed) 0.1
    Luzzati Resolution Cutoff(Low) 6.0
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 1715
    Nucleic Acid Atoms 0
    Heterogen Atoms 0
    Solvent Atoms 45
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (intensity integration) DENZO
    Data Reduction (data scaling) SCALEPACK
    Structure Refinement X-PLOR
     
    Software
    refinement X-PLOR
    data reduction SCALEPACK
    data collection DENZO