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X-RAY DIFFRACTION
Materials and Methods page
3ROA
  •   Crystallization Hide
    Crystallization Experiments
    Method VAPOR DIFFUSION, HANGING DROP
    pH 8.5
    Temperature 277.0
    Details PEG 4000, Magnesium chloride, Tris, pH 8.5, VAPOR DIFFUSION, HANGING DROP, temperature 277K
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 42.71 α = 90
    b = 42.71 β = 90
    c = 229.47 γ = 90
     
    Space Group
    Space Group Name:    P 41
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 100
     
    Diffraction Detector
    Detector CCD
    Type ADSC QUANTUM 315
    Details mirrors
    Collection Date 2010-05-02
     
    Diffraction Radiation
    Monochromator SAGITALLY FOCUSED Si(111)
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source SYNCHROTRON
    Type NSLS BEAMLINE X25
    Wavelength List 1.100
    Site NSLS
    Beamline X25
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma (F) 3.0
    Observed Criterion Sigma(I) 3.0
    Resolution(High) 2.3
    Resolution(Low) 42.72
    Number Reflections(All) 16713
    Number Reflections(Observed) 16713
    Percent Possible(Observed) 97.2
    R Merge I(Observed) 0.08
    Redundancy 4.7
     
    High Resolution Shell Details
    Resolution(High) 2.301
    Resolution(Low) 2.35
    Percent Possible(All) 100.0
    R Merge I(Observed) 0.222
    Redundancy 5.0
    Number Unique Reflections(All) 933
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 2.301
    Resolution(Low) 42.72
    Cut-off Sigma(F) 0.0
    Number of Reflections(all) 16713
    Number of Reflections(Observed) 16713
    Number of Reflections(R-Free) 896
    Percent Reflections(Observed) 97.05
    R-Factor(Observed) 0.2069
    R-Work 0.2042
    R-Free 0.258
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Mean Isotropic B Value 36.0525
    Anisotropic B[1][1] 0.0
    Anisotropic B[1][2] 0.0
    Anisotropic B[1][3] 0.0
    Anisotropic B[2][2] 0.0
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] 0.0
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 2.301
    Shell Resolution(Low) 2.36
    Number of Reflections(R-Free) 55
    Number of Reflections(R-Work) 1243
    R-Factor(R-Work) 0.207
    R-Factor(R-Free) 0.248
    Percent Reflections(Observed) 97.08
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    r_scangle_it 2.026
    r_scbond_it 1.316
    r_mcangle_it 1.01
    r_mcbond_it 0.602
    r_symmetry_hbond_refined 0.119
    r_bond_refined_d 0.009
    r_angle_refined_deg 1.273
    r_dihedral_angle_1_deg 6.765
    r_dihedral_angle_2_deg 34.596
    r_dihedral_angle_3_deg 14.957
    r_dihedral_angle_4_deg 19.198
    r_chiral_restr 0.08
    r_gen_planes_refined 0.004
    r_nbd_refined 0.195
    r_nbtor_refined 0.303
    r_xyhbond_nbd_refined 0.13
    r_symmetry_vdw_refined 0.178
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 3692
    Nucleic Acid Atoms 0
    Heterogen Atoms 154
    Solvent Atoms 73
     
     
  •   Software and Computing Hide
    Computing
    Data Collection HKL-2000
    Data Reduction (intensity integration) HKL
    Data Reduction (data scaling) SCALEPACK
    Structure Solution PHASER
    Structure Refinement REFMAC 5.1.19
     
    Software
    data extraction pdb_extract version: 3.10
    refinement REFMAC5 version: 5.2.0019
    molecular replacement Phaser
    data scaling SCALEPACK