POP-OUT | CLOSE
 
X-RAY DIFFRACTION
Materials and Methods page
1LZ9
  •   Crystallization Hide
    Crystallization Experiments
    pH 4.6
    Details CRYSTALLIZED IN HANGING DROPS. 15 MG/ML PROTEIN SOLUTION IN 100 MM SODIUM ACETATE PH 4.6 AND 1 M SODIUM BROMIDE.
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 78.6 α = 90
    b = 78.6 β = 90
    c = 37.2 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 IMAGE PLATE
    Type MARRESEARCH
    Details BENT MIRROR
    Collection Date 1998-05
     
    Diffraction Radiation
    Monochromator SILICON CRYSTAL
    Diffraction Protocol MAD
     
    Diffraction Source
    Source SYNCHROTRON
    Type NSLS BEAMLINE X9B
    Wavelength List 0.9188, 0.9195, 0.9198, 0.9201
    Site NSLS
    Beamline X9B
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma(I) 0.0
    Resolution(High) 1.7
    Resolution(Low) 20
    Number Reflections(Observed) 13429
    Percent Possible(Observed) 99.0
    R Merge I(Observed) 0.035
    B(Isotropic) From Wilson Plot 16.5
    Redundancy 8.5
     
    High Resolution Shell Details
    Resolution(High) 1.7
    Resolution(Low) 1.73
    Percent Possible(All) 80.0
    R Merge I(Observed) 0.182
    Mean I Over Sigma(Observed) 10.0
    R-Sym I(Observed) 0.182
    Redundancy 7.0
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 1.7
    Resolution(Low) 20.0
    Cut-off Sigma(F) 0.0
    Number of Reflections(Observed) 13309
    Number of Reflections(R-Free) 1318
    Percent Reflections(Observed) 99.0
    R-Factor(Observed) 0.21
    R-Work 0.21
    R-Free 0.29
    R-Free Selection Details RANDOM 10 %
     
    Temperature Factor Modeling
    Mean Isotropic B Value 17.3
    Anisotropic B[1][1] 0.644
    Anisotropic B[1][2] 0.0
    Anisotropic B[1][3] 0.0
    Anisotropic B[2][2] 0.644
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] -0.08
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    p_transverse_tor 17.6
    p_staggered_tor 14.9
    p_planar_tor 6.6
    p_xyhbond_nbd 0.254
    p_multtor_nbd 0.299
    p_bond_d 0.032
    p_angle_d 0.053
    p_planar_d 0.053
    p_mcbond_it 3.11
    p_mcangle_it 3.69
    p_scbond_it 5.71
    p_scangle_it 6.86
    p_plane_restr 0.021
    p_chiral_restr 0.264
    p_singtor_nbd 0.178
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 1001
    Nucleic Acid Atoms 0
    Heterogen Atoms 7
    Solvent Atoms 197
     
     
  •   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
    data reduction SCALEPACK
    data collection DENZO