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An Information Portal to 105906 Biological Macromolecular Structures

X-RAY DIFFRACTION
Materials and Methods page
4AEM
  •   Crystallization Hide
    Crystallization Experiments
    pH 4.76
    Details 100 MG/ML PROTEIN WAS USED AT 292 K WITH 0.2 M AMMONIUM SULFATE, 0.1 M SODIUM ACETATE TRIHYDRATE PH 4.6, 30% W/V PEG 2K MME. 30% GLYCEROL WAS USED AS CRYOPROTECTANT
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 79.32 α = 90
    b = 79.32 β = 90
    c = 44.44 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 CCD (QUANTUM 315R)
    Type ADSC
    Collection Date 2011-06-24
     
    Diffraction Radiation
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source SYNCHROTRON
    Type ESRF BEAMLINE ID14-4
    Wavelength 0.9793
    Site ESRF
    Beamline ID14-4
     
     
  •   Refinement Data Hide
    Reflection Details
    Resolution(High) 2.1
    Resolution(Low) 68.69
    Number Reflections(Observed) 8165
    Percent Possible(Observed) 83.6
    R Merge I(Observed) 0.11
    Redundancy 11.2
     
    High Resolution Shell Details
    Resolution(High) 2.1
    Resolution(Low) 2.21
    Percent Possible(All) 53.4
    R Merge I(Observed) 0.8
    Mean I Over Sigma(Observed) 2.4
    Redundancy 6.8
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 2.1
    Resolution(Low) 68.69
    Number of Reflections(Observed) 7748
    Number of Reflections(R-Free) 417
    Percent Reflections(Observed) 84.37
    R-Factor(Observed) 0.17353
    R-Work 0.17053
    R-Free 0.22704
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Mean Isotropic B Value 31.376
    Anisotropic B[1][1] -0.65
    Anisotropic B[1][2] -0.33
    Anisotropic B[1][3] 0.0
    Anisotropic B[2][2] -0.65
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] 0.98
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 2.1
    Shell Resolution(Low) 2.154
    Number of Reflections(R-Free) 22
    Number of Reflections(R-Work) 318
    R-Factor(R-Work) 0.28
    R-Factor(R-Free) 0.281
    Percent Reflections(Observed) 49.49
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    r_gen_planes_refined 0.011
    r_chiral_restr 0.145
    r_dihedral_angle_4_deg 8.226
    r_dihedral_angle_3_deg 18.58
    r_dihedral_angle_2_deg 40.036
    r_dihedral_angle_1_deg 7.741
    r_angle_refined_deg 2.213
    r_bond_refined_d 0.019
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 998
    Nucleic Acid Atoms 0
    Heterogen Atoms 0
    Solvent Atoms 92
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (intensity integration) IMOSFLM
    Data Reduction (data scaling) SCALA
    Structure Solution PHASER
    Structure Refinement REFMAC 5.6.0117
     
    Software
    refinement REFMAC version: 5.6.0117
    model building PHASER