POP-OUT | CLOSE

An Information Portal to 108263 Biological Macromolecular Structures

X-RAY DIFFRACTION
Materials and Methods page
4AXB
  •   Crystallization Hide
    Crystallization Experiments
    pH 7.4
    Details PROTEIN WAS CRYSTALLIZED FROM 2.1 M AMMONIUM SULFATE, 100 MM MES BUFFER PH 6.5. THEN SOAKED IN 20% GLYCEROL
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 155.95 α = 90
    b = 155.95 β = 90
    c = 127.9 γ = 90
     
    Space Group
    Space Group Name:    I 4 2 2
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 63
     
    Diffraction Detector
    Detector CCD (MAR225)
    Type MARRESEARCH
    Collection Date 2010-02-13
     
    Diffraction Radiation
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source SYNCHROTRON
    Type ESRF BEAMLINE ID23-2
    Wavelength 0.87260
    Site ESRF
    Beamline ID23-2
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma(I) -3.0
    Resolution(High) 2.4
    Resolution(Low) 110.27
    Number Reflections(Observed) 29874
    Percent Possible(Observed) 99.7
    R Merge I(Observed) 0.09
    Redundancy 8.8
     
    High Resolution Shell Details
    Resolution(High) 2.4
    Resolution(Low) 2.55
    Percent Possible(All) 99.8
    R Merge I(Observed) 0.34
    Mean I Over Sigma(Observed) 5.2
    Redundancy 9.0
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 2.4
    Resolution(Low) 110.27
    Number of Reflections(Observed) 29428
    Number of Reflections(R-Free) 1563
    Percent Reflections(Observed) 99.55
    R-Factor(Observed) 0.1707
    R-Work 0.16808
    R-Free 0.22117
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Mean Isotropic B Value 38.713
    Anisotropic B[1][1] 0.27
    Anisotropic B[1][2] 0.0
    Anisotropic B[1][3] 0.0
    Anisotropic B[2][2] 0.27
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] -0.54
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 2.398
    Shell Resolution(Low) 2.46
    Number of Reflections(R-Free) 94
    Number of Reflections(R-Work) 2123
    R-Factor(R-Work) 0.206
    R-Factor(R-Free) 0.265
    Percent Reflections(Observed) 97.54
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    r_scangle_it 5.261
    r_scbond_it 3.31
    r_mcangle_it 2.045
    r_mcbond_it 1.122
    r_gen_planes_refined 0.01
    r_chiral_restr 0.14
    r_dihedral_angle_4_deg 17.911
    r_dihedral_angle_3_deg 16.86
    r_dihedral_angle_2_deg 36.941
    r_dihedral_angle_1_deg 7.099
    r_angle_refined_deg 1.998
    r_bond_refined_d 0.023
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 4207
    Nucleic Acid Atoms 0
    Heterogen Atoms 175
    Solvent Atoms 356
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (intensity integration) XDS
    Structure Refinement REFMAC 5.5.0109
     
    Software
    refinement REFMAC version: 5.5.0109