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An Information Portal to 105097 Biological Macromolecular Structures

X-RAY DIFFRACTION
Materials and Methods page
1HV4
  •   Crystallization Hide
    Crystallization Experiments
    Method VAPOR DIFFUSION, HANGING DROP
    pH 7.2
    Temperature 291.0
    Details PEG 6000, potassium phosphate , pH 7.2, VAPOR DIFFUSION, HANGING DROP, temperature 291K
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 70.66 α = 71.55
    b = 94.1 β = 65.1
    c = 59.23 γ = 83.1
     
    Space Group
    Space Group Name:    P 1
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 291
     
    Diffraction Detector
    Detector AREA DETECTOR
    Type SIEMENS X200
    Collection Date 1995-05-10
     
    Diffraction Radiation
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source ROTATING ANODE
    Type RIGAKU RU300
    Wavelength List 1.5418
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma (F) 1.0
    Observed Criterion Sigma(I) 1.0
    Resolution(High) 2.57
    Resolution(Low) 36.89
    Number Reflections(All) 45509
    Number Reflections(Observed) 30654
    Percent Possible(Observed) 67.4
    R Merge I(Observed) 0.061
    B(Isotropic) From Wilson Plot 28.4
    Redundancy 1.9
     
    High Resolution Shell Details
    Resolution(High) 2.57
    Resolution(Low) 2.73
    Percent Possible(All) 24.0
    R Merge I(Observed) 0.146
    Mean I Over Sigma(Observed) 4.4
    Redundancy 1.14
    Number Unique Reflections(All) 1779
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 2.8
    Resolution(Low) 36.89
    Cut-off Sigma(I) 0.0
    Cut-off Sigma(F) 0.0
    Number of Reflections(all) 32306
    Number of Reflections(Observed) 27148
    Number of Reflections(R-Free) 2752
    Percent Reflections(Observed) 84.0
    R-Factor(All) 0.229
    R-Factor(Observed) 0.197
    R-Work 0.197
    R-Free 0.243
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Isotropic Thermal Model RESTRAINED
    Mean Isotropic B Value 27.7
    Anisotropic B[1][1] -0.95
    Anisotropic B[1][2] 1.41
    Anisotropic B[1][3] -2.33
    Anisotropic B[2][2] -5.21
    Anisotropic B[2][3] -0.53
    Anisotropic B[3][3] 6.16
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 2.8
    Shell Resolution(Low) 2.98
    Number of Reflections(Observed) 3657
    Number of Reflections(R-Free) 389
    Number of Reflections(R-Work) 3268
    R-Factor(R-Work) 0.285
    R-Factor(R-Free) 0.329
    R-Free Error 0.017
    Percent Reflections(Observed) 68.0
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    c_improper_angle_d 1.25
    c_dihedral_angle_d 19.8
    c_angle_deg 1.6
    c_bond_d 0.014
     
    Coordinate Error
    Luzzati ESD(Observed) 0.3
    Luzzati Sigma A(Observed) 0.44
    Luzzati Resolution Cutoff(Low) 5.0
    Luzzati ESD(R-Free Set) 0.38
    Luzzati Sigma A(R-Free Set) 0.55
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 8944
    Nucleic Acid Atoms 0
    Heterogen Atoms 344
    Solvent Atoms 0
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (intensity integration) IPC
    Data Reduction (data scaling) XENGEN
    Structure Solution X-PLOR
    Structure Refinement CNS 1.0
     
    Software
    refinement CNS version: 1.0
    model building X-PLOR