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An Information Portal to 105339 Biological Macromolecular Structures

X-RAY DIFFRACTION
Materials and Methods page
4EAR
  •   Crystallization Hide
    Crystallization Experiments
    Method VAPOR DIFFUSION, SITTING DROP
    pH 7
    Temperature 293.0
    Details 20% PEG 1000, 0.1M Tris, pH 7.0, VAPOR DIFFUSION, SITTING DROP, temperature 293K
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 55.92 α = 90
    b = 131.1 β = 90
    c = 137.68 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 CCD
    Type ADSC QUANTUM 315r
    Details Rosenbaum-Rock double crystal sagittal focusing monochrometer and vertical focusing mirror
    Collection Date 2011-11-17
     
    Diffraction Radiation
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source SYNCHROTRON
    Type NSLS BEAMLINE X29A
    Wavelength List 1.075
    Site NSLS
    Beamline X29A
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma (F) 0.0
    Observed Criterion Sigma(I) 0.0
    Resolution(High) 1.7
    Resolution(Low) 50
    Number Reflections(All) 113686
    Number Reflections(Observed) 110270
    Percent Possible(Observed) 98.3
    R Merge I(Observed) 0.058
    Redundancy 8.0
     
    High Resolution Shell Details
    Resolution(High) 1.7
    Resolution(Low) 1.73
    Percent Possible(All) 97.4
    R Merge I(Observed) 0.914
    Mean I Over Sigma(Observed) 2.6
    R-Sym I(Observed) 0.914
    Redundancy 8.0
    Number Unique Reflections(All) 5375
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 1.7
    Resolution(Low) 41.24
    Number of Reflections(all) 97167
    Number of Reflections(Observed) 104515
    Number of Reflections(R-Free) 5592
    Percent Reflections(Observed) 98.27
    R-Factor(Observed) 0.17609
    R-Work 0.17465
    R-Free 0.20293
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Isotropic Thermal Model Isotropic
    Mean Isotropic B Value 38.67
    Anisotropic B[1][1] 4.84
    Anisotropic B[1][2] 0.0
    Anisotropic B[1][3] 0.0
    Anisotropic B[2][2] -2.77
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] -2.07
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 1.7
    Shell Resolution(Low) 1.744
    Number of Reflections(R-Free) 421
    Number of Reflections(R-Work) 7552
    R-Factor(R-Work) 0.349
    R-Factor(R-Free) 0.354
    Percent Reflections(Observed) 97.29
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    r_gen_planes_other 0.001
    r_gen_planes_refined 0.006
    r_chiral_restr 0.08
    r_dihedral_angle_4_deg 19.445
    r_dihedral_angle_3_deg 13.871
    r_dihedral_angle_2_deg 37.9
    r_dihedral_angle_1_deg 6.006
    r_angle_other_deg 0.888
    r_angle_refined_deg 1.49
    r_bond_other_d 0.003
    r_bond_refined_d 0.01
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 6681
    Nucleic Acid Atoms 0
    Heterogen Atoms 75
    Solvent Atoms 574
     
     
  •   Software and Computing Hide
    Computing
    Data Collection ADSC Quantum
    Data Reduction (intensity integration) HKL-3000
    Data Reduction (data scaling) HKL-3000
    Structure Solution MOLREP
    Structure Refinement REFMAC 5.7.0025
     
    Software
    refinement REFMAC version: 5.6.0117
    model building MOLREP
    data collection ADSC version: Quantum