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X-RAY DIFFRACTION
Materials and Methods page
4IAL
  •   Crystallization Hide
    Crystallization Experiments
    Method VAPOR DIFFUSION, HANGING DROP
    pH 8
    Temperature 277.0
    Details 24% MPD, 25 mM potassium phosphate, calcium chloride, pdTp, pH 8, VAPOR DIFFUSION, HANGING DROP, temperature 277K
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 31.03 α = 90
    b = 60.4 β = 92.32
    c = 38.39 γ = 90
     
    Space Group
    Space Group Name:    P 1 21 1
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 100
     
    Diffraction Detector
    Detector PIXEL
    Type DECTRIS PILATUS 6M
    Details Meridionally-bent fused silica mirror with palladium and uncoated stripes vertically-focusing at 6.6:1 demagnification
    Collection Date 2012-09-26
     
    Diffraction Radiation
    Monochromator double crystal Si(111)
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source SYNCHROTRON
    Type NSLS BEAMLINE X25
    Wavelength List 1.10
    Site NSLS
    Beamline X25
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma (F) 0.0
    Observed Criterion Sigma(I) 0.0
    Resolution(High) 1.6
    Resolution(Low) 38.35
    Number Reflections(All) 18439
    Number Reflections(Observed) 18439
    Percent Possible(Observed) 97.7
    R Merge I(Observed) 0.051
    B(Isotropic) From Wilson Plot 34.5
    Redundancy 3.7
     
    High Resolution Shell Details
    Resolution(High) 1.595
    Resolution(Low) 1.63
    Percent Possible(All) 85.9
    R Merge I(Observed) 0.261
    Mean I Over Sigma(Observed) 4.01
    Redundancy 2.8
    Number Unique Reflections(All) 825
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 1.595
    Resolution(Low) 38.355
    Cut-off Sigma(I) 0.0
    Cut-off Sigma(F) 0.0
    Number of Reflections(all) 18430
    Number of Reflections(Observed) 18430
    Number of Reflections(R-Free) 944
    Percent Reflections(Observed) 97.37
    R-Factor(All) 0.1989
    R-Factor(Observed) 0.1989
    R-Work 0.1968
    R-Free 0.2389
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Mean Isotropic B Value 35.6892
    Anisotropic B[1][1] -3.74
    Anisotropic B[1][2] 0.0
    Anisotropic B[1][3] 0.45
    Anisotropic B[2][2] -0.98
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] 4.69
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 1.595
    Shell Resolution(Low) 1.636
    Number of Reflections(R-Free) 64
    Number of Reflections(R-Work) 1094
    R-Factor(R-Work) 0.288
    R-Factor(R-Free) 0.333
    Percent Reflections(Observed) 82.36
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    r_gen_planes_other 0.001
    r_gen_planes_refined 0.012
    r_chiral_restr 0.124
    r_dihedral_angle_4_deg 18.783
    r_dihedral_angle_3_deg 14.853
    r_dihedral_angle_2_deg 34.275
    r_dihedral_angle_1_deg 6.78
    r_angle_other_deg 0.84
    r_angle_refined_deg 1.908
    r_bond_other_d 0.001
    r_bond_refined_d 0.018
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 1032
    Nucleic Acid Atoms 0
    Heterogen Atoms 26
    Solvent Atoms 81
     
     
  •   Software and Computing Hide
    Computing
    Data Collection CBASS
    Data Reduction (intensity integration) HKL
    Data Reduction (data scaling) SCALEPACK
    Structure Solution PHASER
    Structure Refinement REFMAC 5.7.0029
     
    Software
    data extraction pdb_extract version: 3.11
    refinement REFMAC5
    molecular replacement Phaser version: 2.3.0
    data reduction SCALEPACK