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X-RAY DIFFRACTION
Materials and Methods page
1P4N
  •   Crystallization Hide
    Crystallization Experiments
    Method VAPOR DIFFUSION, HANGING DROP
    pH 6.5
    Temperature 298.0
    Details PEG 2K, NaCl, sodium cacodylate, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 298K
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 42.2 α = 90
    b = 100.61 β = 115.64
    c = 46.54 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 CCD
    Type MARRESEARCH
    Details two crystals monochromator between two cylindrical parabolic mirrors
    Collection Date 2002-12-14
     
    Diffraction Radiation
    Monochromator Sagitally focused Si (111)
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source SYNCHROTRON
    Type ESRF BEAMLINE BM30A
    Wavelength List 0.979711
    Site ESRF
    Beamline BM30A
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma (F) 0.0
    Observed Criterion Sigma(I) 0.0
    Resolution(High) 1.9
    Resolution(Low) 15.57
    Number Reflections(Observed) 27221
    Percent Possible(Observed) 98.6
    B(Isotropic) From Wilson Plot 12.7
    Redundancy 3.6
     
    High Resolution Shell Details
    Resolution(High) 1.9
    Resolution(Low) 2.0
    Percent Possible(All) 98.0
    Mean I Over Sigma(Observed) 3.7
    R-Sym I(Observed) 0.19
    Redundancy 3.8
    Number Unique Reflections(All) 3947
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method difference fourier synthesis
    reflnsShellList 1.9
    Resolution(Low) 15.57
    Cut-off Sigma(I) 0.0
    Cut-off Sigma(F) 0.0
    Number of Reflections(Observed) 27014
    Number of Reflections(R-Free) 1351
    Percent Reflections(Observed) 97.9
    R-Factor(All) 0.185
    R-Factor(Observed) 0.172
    R-Work 0.172
    R-Free 0.207
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Isotropic Thermal Model OVERALL
    Mean Isotropic B Value 16.3
    Anisotropic B[1][1] -2.08
    Anisotropic B[1][2] 0.0
    Anisotropic B[1][3] 3.16
    Anisotropic B[2][2] -0.35
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] 2.43
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 1.9
    Shell Resolution(Low) 2.0
    Number of Reflections(Observed) 3947
    Number of Reflections(R-Free) 212
    Number of Reflections(R-Work) 4207
    R-Factor(R-Work) 0.209
    R-Factor(R-Free) 0.265
    R-Free Error 0.018
    Percent Reflections(Observed) 96.2
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    c_scangle_it 2.6
    c_scbond_it 1.8
    c_mcangle_it 2.48
    c_mcbond_it 1.9
    c_improper_angle_d 0.82
    c_dihedral_angle_d 22.8
    c_angle_deg 1.3
    c_bond_d 0.005
     
    Coordinate Error
    Luzzati ESD(Observed) 0.21
    Luzzati Sigma A(Observed) 0.19
    Luzzati Resolution Cutoff(Low) 6.0
    Luzzati ESD(R-Free Set) 0.25
    Luzzati Sigma A(R-Free Set) 0.2
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 2763
    Nucleic Acid Atoms 0
    Heterogen Atoms 15
    Solvent Atoms 466
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (intensity integration) MOSFLM
    Data Reduction (data scaling) CCP4 (SCALA)
    Structure Solution CNS
    Structure Refinement CNS 1.0
     
    Software
    refinement CNS version: 1.0