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X-RAY DIFFRACTION
Materials and Methods page
2CGN
  •   Crystallization Hide
    Crystallization Experiments
    pH 7.5
    Details 1.25M AMMONIUM SULFATE, 100MM HEPES PH7.5, 6% PEG400, 1MM IRON (II) SULFATE, 20MM SUCCINIC ACID, pH 7.50
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 86.61 α = 90
    b = 86.61 β = 90
    c = 145.94 γ = 90
     
    Space Group
    Space Group Name:    P 41 21 2
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 100
     
    Diffraction Detector
    Detector CCD
    Type ADSC
    Collection Date 2005-08-28
     
    Diffraction Radiation
    Monochromator SI
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source SYNCHROTRON
    Type NSLS BEAMLINE X25
    Wavelength 1.1
    Site NSLS
    Beamline X25
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma(I) 0.0
    Resolution(High) 2.4
    Resolution(Low) 34
    Number Reflections(Observed) 767064
    Percent Possible(Observed) 99.1
    R Merge I(Observed) 0.12
    Redundancy 13.1
     
    High Resolution Shell Details
    Resolution(High) 2.4
    Resolution(Low) 2.49
    Percent Possible(All) 100.0
    R Merge I(Observed) 0.66
    Mean I Over Sigma(Observed) 5.5
    Redundancy 13.0
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method OTHER
    reflnsShellList 2.4
    Resolution(Low) 74.54
    Number of Reflections(Observed) 19862
    Number of Reflections(R-Free) 2191
    Percent Reflections(Observed) 98.3
    R-Factor(Observed) 0.21
    R-Work 0.205
    R-Free 0.263
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Mean Isotropic B Value 58.95
    Anisotropic B[1][1] -0.54
    Anisotropic B[1][2] 0.0
    Anisotropic B[1][3] 0.0
    Anisotropic B[2][2] -0.54
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] 1.08
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 2.4
    Shell Resolution(Low) 2.46
    Number of Reflections(R-Free) 131
    Number of Reflections(R-Work) 1337
    R-Factor(R-Work) 0.316
    R-Factor(R-Free) 0.366
    Percent Reflections(Observed) 90.73
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    r_scangle_it 4.311
    r_scbond_it 3.137
    r_mcangle_it 1.843
    r_mcbond_other 0.329
    r_mcbond_it 1.522
    r_nbd_refined 0.237
    r_gen_planes_other 0.002
    r_gen_planes_refined 0.01
    r_chiral_restr 0.141
    r_dihedral_angle_4_deg 17.629
    r_dihedral_angle_3_deg 18.057
    r_dihedral_angle_2_deg 40.642
    r_dihedral_angle_1_deg 7.988
    r_angle_other_deg 1.129
    r_angle_refined_deg 2.13
    r_bond_other_d 0.002
    r_bond_refined_d 0.028
    r_nbd_other 0.215
    r_nbtor_refined 0.197
    r_nbtor_other 0.1
    r_xyhbond_nbd_refined 0.195
    r_xyhbond_nbd_other 0.054
    r_symmetry_vdw_refined 0.237
    r_symmetry_vdw_other 0.304
    r_symmetry_hbond_refined 0.295
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 2763
    Nucleic Acid Atoms 0
    Heterogen Atoms 29
    Solvent Atoms 61
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (intensity integration) DENZO
    Data Reduction (data scaling) SCALEPACK
    Structure Solution CNS
    Structure Refinement REFMAC 5.2.0019
     
    Software
    refinement REFMAC version: 5.2.0019
    model building CNS