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X-RAY DIFFRACTION
Materials and Methods page
1ZHN
  •   Crystallization Hide
    Crystallization Experiments
    Method VAPOR DIFFUSION, HANGING DROP
    pH 7.4
    Temperature 293.0
    Details 100 mM Tris, 200 mM NH4(SO4)2, 25% PEG 4000, pH 7.4, VAPOR DIFFUSION, HANGING DROP, temperature 293K
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 41.8 α = 90
    b = 106.91 β = 90
    c = 110.06 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 IMAGE PLATE
    Type MARRESEARCH
    Collection Date 1998-05-22
     
    Diffraction Radiation
    Monochromator Mirrors
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source SYNCHROTRON
    Type SSRL BEAMLINE BL7-1
    Wavelength List 1.0000
    Site SSRL
    Beamline BL7-1
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma(I) -3.0
    Resolution(High) 2.8
    Resolution(Low) 76.7
    Number Reflections(All) 12734
    Number Reflections(Observed) 12734
    Percent Possible(Observed) 98.1
    B(Isotropic) From Wilson Plot 39.3
    Redundancy 4.3
     
    High Resolution Shell Details
    Resolution(High) 2.8
    Resolution(Low) 2.95
    Percent Possible(All) 96.0
    Mean I Over Sigma(Observed) 2.5
    R-Sym I(Observed) 0.29
    Redundancy 4.0
    Number Unique Reflections(All) 1810
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 2.8
    Resolution(Low) 76.7
    Cut-off Sigma(F) 0.0
    Number of Reflections(all) 11481
    Number of Reflections(Observed) 11481
    Number of Reflections(R-Free) 1018
    Percent Reflections(Observed) 98.15
    R-Factor(All) 0.22174
    R-Factor(Observed) 0.22174
    R-Work 0.21632
    R-Free 0.28097
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Mean Isotropic B Value 25.724
    Anisotropic B[1][1] -1.34
    Anisotropic B[1][2] 0.0
    Anisotropic B[1][3] 0.0
    Anisotropic B[2][2] -1.16
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] 2.5
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 2.8
    Shell Resolution(Low) 2.873
    Number of Reflections(R-Free) 71
    Number of Reflections(R-Work) 792
    R-Factor(R-Work) 0.302
    R-Factor(R-Free) 0.385
    Percent Reflections(Observed) 95.57
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    r_scangle_it 1.722
    r_scbond_it 0.957
    r_mcangle_it 0.773
    r_mcbond_other 0.067
    r_mcbond_it 0.688
    r_nbd_refined 0.209
    r_gen_planes_other 0.001
    r_gen_planes_refined 0.004
    r_chiral_restr 0.078
    r_dihedral_angle_4_deg 23.189
    r_dihedral_angle_3_deg 18.958
    r_dihedral_angle_2_deg 35.718
    r_dihedral_angle_1_deg 7.16
    r_angle_other_deg 0.766
    r_angle_refined_deg 1.473
    r_bond_other_d 0.001
    r_bond_refined_d 0.005
    r_nbd_other 0.186
    r_nbtor_refined 0.189
    r_nbtor_other 0.089
    r_xyhbond_nbd_refined 0.178
    r_symmetry_vdw_refined 0.11
    r_symmetry_vdw_other 0.204
    r_symmetry_hbond_refined 0.17
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 2987
    Nucleic Acid Atoms 0
    Heterogen Atoms 170
    Solvent Atoms 50
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (intensity integration) MOSFLM
    Data Reduction (data scaling) CCP4 (SCALA)
    Structure Solution MOLREP
    Structure Refinement REFMAC 5.2
     
    Software
    refinement REFMAC version: 5.2
    model building MOLREP
    data reduction SCALA
    data collection MOSFLM