POP-OUT | CLOSE

An Information Portal to 105212 Biological Macromolecular Structures

X-RAY DIFFRACTION
Materials and Methods page
4IB2
  •   Crystallization Hide
    Crystallization Experiments
    Method VAPOR DIFFUSION, SITTING DROP
    pH 4
    Temperature 277.0
    Details 0.8M (NH4)2SO4, 0.1M Citrate pH 4.0, NANODROP, VAPOR DIFFUSION, SITTING DROP, temperature 277K
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 40.1 α = 99.81
    b = 52.45 β = 87.5
    c = 54.91 γ = 94.96
     
    Space Group
    Space Group Name:    P 1
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 100
     
    Diffraction Detector
    Detector CCD
    Type MARMOSAIC 325 mm CCD
    Details Flat mirror (vertical focusing); single crystal Si(111) bent monochromator (ho rizontal focusing)
    Collection Date 2010-06-09
     
    Diffraction Radiation
    Monochromator single crystal Si(111) bent
    Diffraction Protocol single wavelength
     
    Diffraction Source
    Source SYNCHROTRON
    Type SSRL BEAMLINE BL11-1
    Wavelength 1.00000
    Site SSRL
    Beamline BL11-1
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma(I) -3.0
    Resolution(High) 1.76
    Resolution(Low) 40.88
    Number Reflections(Observed) 41851
    Percent Possible(Observed) 96.1
    R Merge I(Observed) 0.059
    B(Isotropic) From Wilson Plot 19.456
     
    High Resolution Shell Details
    Resolution(High) 1.76
    Resolution(Low) 1.82
    Percent Possible(All) 93.5
    R Merge I(Observed) 0.562
    Mean I Over Sigma(Observed) 2.4
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 1.76
    Resolution(Low) 40.876
    Cut-off Sigma(F) 0.0
    Number of Reflections(Observed) 41847
    Number of Reflections(R-Free) 2110
    Percent Reflections(Observed) 96.12
    R-Factor(Observed) 0.163
    R-Work 0.1619
    R-Free 0.1844
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Mean Isotropic B Value 30.3081
    Anisotropic B[1][1] -3.7639
    Anisotropic B[1][2] 2.597
    Anisotropic B[1][3] -0.3676
    Anisotropic B[2][2] 2.0682
    Anisotropic B[2][3] 1.852
    Anisotropic B[3][3] 1.6956
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 1.76
    Shell Resolution(Low) 1.81
    Number of Reflections(R-Free) 155
    Number of Reflections(R-Work) 2851
    R-Factor(R-Work) 0.2101
    R-Factor(R-Free) 0.219
    Percent Reflections(Observed) 96.12
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    t_other_torsion 2.77
    t_omega_torsion 3.75
    t_angle_deg 1.05
    t_bond_d 0.01
     
    Coordinate Error
    Luzzati ESD(Observed) 0.233
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 3791
    Nucleic Acid Atoms 0
    Heterogen Atoms 51
    Solvent Atoms 342
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (intensity integration) XDS
    Data Reduction (data scaling) XSCALE
    Structure Solution PHASER
    Structure Refinement BUSTER 2.10.0
     
    Software
    refinement BUSTER-TNT version: 2.10.0
    data processing Xscale version: January 30, 2009
    molecular replacement Phaser version: 2.3.0
    data extraction pdb_extract version: 3.10
    validation MOLPROBITY version: 3beta29