POP-OUT | CLOSE
 
X-RAY DIFFRACTION
Materials and Methods page
1TSH
  •   Crystallization Hide
    Crystallization Experiments
    pH 5.5
    Details PURIFIED PROTEIN (20MG/ML IN 25MM MONOBASIC SODIUM PHOSPHATE BUFFER, 0.15M NACL) WAS CRYSTALLIZED FROM 2.5M AMMONIUM SULFATE, 100MM CITRATE BUFFER, PH 5.5 AT ROOM TEMPERATURE.
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 43.89 α = 90
    b = 86.17 β = 90
    c = 65.46 γ = 90
     
    Space Group
    Space Group Name:    P 21 21 2
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 296
     
    Diffraction Detector
    Detector IMAGE PLATE
    Type RIGAKU RAXIS IIC
    Details COLLIMATOR
    Collection Date 1994-07
     
    Diffraction Radiation
    Monochromator GRAPHITE(002)
     
    Diffraction Source
    Source ROTATING ANODE
    Type RIGAKU RUH2R
    Wavelength 1.5418
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma(I) 1.0
    Resolution(High) 1.7
    Resolution(Low) 52.13
    Number Reflections(Observed) 24555
    Percent Possible(Observed) 87.4
    R Merge I(Observed) 0.085
    B(Isotropic) From Wilson Plot 20.4
    Redundancy 2.9
     
    High Resolution Shell Details
    Resolution(High) 1.7
    Resolution(Low) 2.0
    Percent Possible(All) 77.0
    R Merge I(Observed) 0.24
    Mean I Over Sigma(Observed) 2.4
    R-Sym I(Observed) 0.22
    Redundancy 2.2
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 1.7
    Resolution(Low) 5.0
    Cut-off Sigma(F) 2.0
    Number of Reflections(Observed) 23248
    Number of Reflections(R-Free) 1191
    Percent Reflections(Observed) 86.7
    R-Factor(Observed) 0.189
    R-Work 0.189
    R-Free 0.248
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Mean Isotropic B Value 27.6
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 1.7
    Shell Resolution(Low) 1.77
    Number of Reflections(R-Free) 115
    Number of Reflections(R-Work) 2088
    R-Factor(R-Work) 0.367
    R-Factor(R-Free) 0.379
    R-Free Error 0.035
    Percent Reflections(Observed) 64.5
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    x_improper_angle_d 1.28
    x_bond_d 0.009
    x_angle_deg 1.74
    x_dihedral_angle_d 25.9
     
    Coordinate Error
    Luzzati ESD(Observed) 0.22
    Luzzati Sigma A(Observed) 0.23
    Luzzati Resolution Cutoff(Low) 5.0
    Luzzati ESD(R-Free Set) 0.22
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 1940
    Nucleic Acid Atoms 0
    Heterogen Atoms 0
    Solvent Atoms 60
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (intensity integration) BIOTEX
    Data Reduction (data scaling) BIOTEX
    Structure Solution X-PLOR 3.1
    Structure Refinement X-PLOR 3.1
     
    Software
    refinement X-PLOR version: 3.1
    model building X-PLOR version: 3.1