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An Information Portal to 105339 Biological Macromolecular Structures

X-RAY DIFFRACTION
Materials and Methods page
3LA2
  •   Crystallization Hide
    Crystallization Experiments
    Method VAPOR DIFFUSION, HANGING DROP
    pH 7.8
    Temperature 289.0
    Details 0.05M (NH4)2SO4, 25% pentaerythritol ethoxylate (3/4, EO/OH), pH 7.8, VAPOR DIFFUSION, HANGING DROP, temperature 289K
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 68.14 α = 90
    b = 70.26 β = 90
    c = 149.99 γ = 90
     
    Space Group
    Space Group Name:    P 21 21 21
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 100
     
    Diffraction Detector
    Detector IMAGE PLATE
    Type MAR scanner 345 mm plate
    Collection Date 2009-04-10
     
    Diffraction Radiation
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source ROTATING ANODE
    Type RIGAKU MICROMAX-007
    Wavelength List 1.5418
     
     
  •   Refinement Data Hide
    Reflection Details
    Resolution(High) 2.6
    Resolution(Low) 74.99
    Number Reflections(Observed) 22720
    Percent Possible(Observed) 99.6
    R Merge I(Observed) 0.079
    B(Isotropic) From Wilson Plot 67.0
    Redundancy 5.3
     
    High Resolution Shell Details
    Resolution(High) 2.6
    Resolution(Low) 2.74
    Percent Possible(All) 99.4
    R Merge I(Observed) 0.697
    Mean I Over Sigma(Observed) 2.6
    Redundancy 5.3
    Number Unique Reflections(All) 3261
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 2.6
    Resolution(Low) 23.73
    Number of Reflections(Observed) 21530
    Number of Reflections(R-Free) 1162
    Percent Reflections(Observed) 99.32
    R-Factor(Observed) 0.22424
    R-Work 0.22194
    R-Free 0.26848
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Mean Isotropic B Value 55.406
    Anisotropic B[1][1] 1.22
    Anisotropic B[1][2] 0.0
    Anisotropic B[1][3] 0.0
    Anisotropic B[2][2] -0.61
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] -0.61
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 2.6
    Shell Resolution(Low) 2.667
    Number of Reflections(R-Free) 79
    Number of Reflections(R-Work) 1555
    R-Factor(R-Work) 0.36
    R-Factor(R-Free) 0.395
    Percent Reflections(Observed) 99.09
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    r_scangle_it 2.971
    r_scbond_it 1.888
    r_mcangle_it 1.271
    r_mcbond_it 0.685
    r_gen_planes_refined 0.007
    r_chiral_restr 0.088
    r_dihedral_angle_4_deg 16.635
    r_dihedral_angle_3_deg 15.849
    r_dihedral_angle_2_deg 29.835
    r_dihedral_angle_1_deg 5.672
    r_angle_refined_deg 1.386
    r_bond_refined_d 0.013
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 3080
    Nucleic Acid Atoms 0
    Heterogen Atoms 20
    Solvent Atoms 120
     
     
  •   Software and Computing Hide
    Computing
    Data Collection MAR345dtb
    Data Reduction (intensity integration) MOSFLM
    Data Reduction (data scaling) SCALA
    Structure Solution MOLREP
    Structure Refinement REFMAC 5.5.0066
     
    Software
    refinement REFMAC version: 5.5.0066
    model building MOLREP
    data collection MAR345dtb