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X-RAY DIFFRACTION
Materials and Methods page
4KMS
  •   Crystallization Hide
    Crystallization Experiments
    Method VAPOR DIFFUSION, SITTING DROP
    pH 7.5
    Temperature 290.0
    Details 23 mg/mL RifeA.00170.a.B1.PS01660, MCSG1 screen condition G1: 10% PEG8000, 8% ethylene glycol, 100 mM HEPES/NaOH, pH 7.5, Tray 241460g1, VAPOR DIFFUSION, SITTING DROP, temperature 290K
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 77.11 α = 90
    b = 99.7 β = 90
    c = 73.37 γ = 90
     
    Space Group
    Space Group Name:    P 21 21 2
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 100
     
    Diffraction Detector
    Detector CCD
    Type ADSC QUANTUM 315r
    Details Rh coated flat mirror
    Collection Date 2012-02-18
     
    Diffraction Radiation
    Monochromator Side scattering I-beam bent single crystal, asymmetric cut 4.9650 degrees
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source SYNCHROTRON
    Type SSRL BEAMLINE BL7-1
    Wavelength List 1.12709
    Site SSRL
    Beamline BL7-1
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma (F) 0.0
    Observed Criterion Sigma(I) -3.0
    Resolution(High) 2
    Resolution(Low) 50
    Number Reflections(All) 38963
    Number Reflections(Observed) 38871
    Percent Possible(Observed) 99.8
    R Merge I(Observed) 0.042
    B(Isotropic) From Wilson Plot 38.1
    Redundancy 4.83
     
    High Resolution Shell Details
    Resolution(High) 2.0
    Resolution(Low) 2.05
    Percent Possible(All) 100.0
    R Merge I(Observed) 0.523
    Mean I Over Sigma(Observed) 3.37
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 2.0
    Resolution(Low) 46.95
    Cut-off Sigma(F) 0.0
    Number of Reflections(all) 38963
    Number of Reflections(Observed) 38831
    Number of Reflections(R-Free) 1949
    Percent Reflections(Observed) 99.77
    R-Factor(All) 0.1751
    R-Factor(Observed) 0.1751
    R-Work 0.1733
    R-Free 0.2103
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Isotropic Thermal Model ISOTROPIC, TLS
    Mean Isotropic B Value 39.9812
    Anisotropic B[1][1] -0.43
    Anisotropic B[1][2] 0.0
    Anisotropic B[1][3] 0.0
    Anisotropic B[2][2] 0.57
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] -0.14
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 2.0
    Shell Resolution(Low) 2.052
    Number of Reflections(R-Free) 140
    Number of Reflections(R-Work) 2676
    R-Factor(R-Work) 0.236
    R-Factor(R-Free) 0.288
    Percent Reflections(Observed) 100.0
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    r_mcangle_it 2.605
    r_mcbond_other 1.658
    r_bond_refined_d 0.015
    r_bond_other_d 0.004
    r_angle_refined_deg 1.296
    r_angle_other_deg 0.859
    r_dihedral_angle_1_deg 5.903
    r_dihedral_angle_2_deg 34.785
    r_dihedral_angle_3_deg 12.766
    r_dihedral_angle_4_deg 17.068
    r_chiral_restr 0.083
    r_gen_planes_refined 0.008
    r_gen_planes_other 0.004
    r_mcbond_it 1.658
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 3478
    Nucleic Acid Atoms 0
    Heterogen Atoms 0
    Solvent Atoms 266
     
     
  •   Software and Computing Hide
    Computing
    Data Collection BluIce
    Data Reduction (intensity integration) XSCALE
    Data Reduction (data scaling) XSCALE
    Structure Solution PHASER
    Structure Refinement REFMAC 5.7.0032
     
    Software
    data extraction pdb_extract version: 3.11
    refinement REFMAC5 version: 5.7.0032
    molecular replacement Phaser version: 2.5.2
    data reduction Xscale