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X-RAY DIFFRACTION
Materials and Methods page
1ZR4
  •   Crystallization Hide
    Crystallization Experiments
    Method VAPOR DIFFUSION, HANGING DROP
    pH 5
    Temperature 303.0
    Details 0.2M NaCl, 0.1M Magnesium Formate, 0.1M Sodium Acetate, pH 5, VAPOR DIFFUSION, HANGING DROP, temperature 303K
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 119.16 α = 90
    b = 127.29 β = 90
    c = 140.42 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 4
    Collection Date 2005-02-15
     
    Diffraction Radiation
    Monochromator double flat Si crystal
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source SYNCHROTRON
    Type NSLS BEAMLINE X25
    Wavelength List 0.990
    Site NSLS
    Beamline X25
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma (F) 1.45
    Observed Criterion Sigma(I) 2.0
    Resolution(High) 3.4
    Resolution(Low) 50
    Number Reflections(All) 33298
    Number Reflections(Observed) 33091
    Percent Possible(Observed) 99.8
    R Merge I(Observed) 0.047
    Redundancy 8.0
     
    High Resolution Shell Details
    Resolution(High) 3.4
    Resolution(Low) 3.55
    Percent Possible(All) 99.8
    R Merge I(Observed) 0.01
    Mean I Over Sigma(Observed) 2.0
    Redundancy 8.0
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 3.4
    Resolution(Low) 50.0
    Number of Reflections(all) 28497
    Number of Reflections(Observed) 28441
    Number of Reflections(R-Free) 1510
    Percent Reflections(Observed) 99.74
    R-Factor(Observed) 0.26554
    R-Work 0.26399
    R-Free 0.29469
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Mean Isotropic B Value 111.263
    Anisotropic B[1][1] 2.1
    Anisotropic B[1][2] 0.0
    Anisotropic B[1][3] 0.0
    Anisotropic B[2][2] -1.99
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] -0.11
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 3.4
    Shell Resolution(Low) 3.583
    Number of Reflections(R-Free) 202
    Number of Reflections(R-Work) 4089
    R-Factor(R-Work) 0.364
    R-Factor(R-Free) 0.379
    Percent Reflections(Observed) 99.91
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    r_scangle_it 2.144
    r_scbond_it 1.85
    r_mcangle_it 3.414
    r_mcbond_it 2.006
    r_nbd_refined 0.241
    r_gen_planes_refined 0.003
    r_chiral_restr 0.078
    r_dihedral_angle_4_deg 19.786
    r_dihedral_angle_3_deg 20.111
    r_dihedral_angle_2_deg 37.679
    r_dihedral_angle_1_deg 5.15
    r_angle_refined_deg 1.453
    r_bond_refined_d 0.009
    r_nbtor_refined 0.305
    r_xyhbond_nbd_refined 0.145
    r_symmetry_vdw_refined 0.308
    r_symmetry_hbond_refined 0.13
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 5672
    Nucleic Acid Atoms 2844
    Heterogen Atoms 0
    Solvent Atoms 0
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (intensity integration) HKL-2000
    Data Reduction (data scaling) SCALEPACK
    Structure Solution AMORE
    Structure Refinement REFMAC 5.2.0005
     
    Software
    refinement REFMAC version: 5.2.0005