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An Information Portal to 105025 Biological Macromolecular Structures

X-RAY DIFFRACTION
Materials and Methods page
4I6K
  •   Crystallization Hide
    Crystallization Experiments
    pH 4.5
    Details 0.1M SODIUM HYDROGEN PHOSPHATE: CITRIC ACID, PH 4.2, 40% ETHANOL, 5% PEG 1000, VAPOR DIFFUSION, SITTING DROP, TEMPERATURE 294K
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 75.17 α = 90
    b = 75.17 β = 90
    c = 88.97 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
    Type ADSC QUANTUM 315
    Details MIRRORS
    Collection Date 2011-11-08
     
    Diffraction Radiation
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source SYNCHROTRON
    Type NSLS BEAMLINE X29A
    Wavelength 1.075
    Site NSLS
    Beamline X29A
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma(I) -5.0
    Resolution(High) 2.28
    Resolution(Low) 50
    Number Reflections(Observed) 13753
    Percent Possible(Observed) 96.2
    B(Isotropic) From Wilson Plot 45.27
    Redundancy 6.6
     
    High Resolution Shell Details
    Resolution(High) 2.276
    Resolution(Low) 2.31
    Percent Possible(All) 99.7
    R Merge I(Observed) 0.97
    Mean I Over Sigma(Observed) 2.0
    Redundancy 6.7
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MR
    reflnsShellList 2.276
    Resolution(Low) 34.62
    Number of Reflections(Observed) 12783
    Number of Reflections(R-Free) 417
    Percent Reflections(Observed) 96.01
    R-Factor(Observed) 0.21518
    R-Work 0.21316
    R-Free 0.28041
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Mean Isotropic B Value 53.519
    Anisotropic B[1][1] -0.73
    Anisotropic B[1][2] -0.37
    Anisotropic B[1][3] 0.0
    Anisotropic B[2][2] -0.73
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] 1.1
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 2.276
    Shell Resolution(Low) 2.335
    Number of Reflections(R-Free) 42
    Number of Reflections(R-Work) 931
    R-Factor(R-Work) 0.264
    R-Factor(R-Free) 0.411
    Percent Reflections(Observed) 98.48
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    r_scangle_it 10.797
    r_scbond_it 8.435
    r_mcangle_it 6.401
    r_mcbond_it 4.786
    r_gen_planes_refined 0.005
    r_chiral_restr 0.067
    r_dihedral_angle_4_deg 19.843
    r_dihedral_angle_3_deg 16.025
    r_dihedral_angle_2_deg 35.1
    r_dihedral_angle_1_deg 5.426
    r_angle_refined_deg 1.057
    r_bond_refined_d 0.008
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 2172
    Nucleic Acid Atoms 0
    Heterogen Atoms 13
    Solvent Atoms 59
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (intensity integration) HKL-3000
    Data Reduction (data scaling) HKL-3000
    Structure Solution PHASER
    Structure Refinement REFMAC 5.5.0109
     
    Software
    refinement REFMAC version: 5.5.0109
    model building PHASER