1IBC
CRYSTAL STRUCTURE OF INHIBITED INTERLEUKIN-1BETA CONVERTING ENZYME
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | 8.5 | 1.5 ML DROPS OF PROTEIN-INHIBITOR SOLUTION (5.0 MG/ML IN 10 MILLIMOLAR TRIS-HCL, PH 8.5, 10 MILLI-MOLAR DTT, 3 MILLIMOLAR SODIUM AZIDE) WERE MIXED WITH AN EQUAL VOLUME OF RESERVOIR BUFFER (7.2% PEG-6000 (W:W), 0.10 M PIPES PH 5.8, 10 MILLIMOLAR DTT, 3 MILLIMOLAR SODIUM AZIDE) AND INCUBATED AT ROOM TEMPERATURE. |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.72 | 58 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 64.61 | α = 90 |
b = 64.61 | β = 90 |
c = 160.1 | γ = 90 |
Symmetry | |
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Space Group | P 43 21 2 |
Diffraction
Diffraction Experiment | ||||||||||||||
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ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol | |||||
1 | 1 | x-ray | 293 | AREA DETECTOR | SIEMENS | 1996-04-09 | M |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 |
Data Collection
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | Resolution (High) | Resolution (Low) | Cut-off Sigma (F) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Factor (Observed) | R-Work | R-Free | R-Free Selection Details | Mean Isotropic B | |||||
X-RAY DIFFRACTION | DIFFERENCE FOURIER | THROUGHOUT | ICE INHIBITED BY ACE-YVAD-CHO | 2.73 | 20 | 2 | 8078 | 863 | 84.4 | 0.173 | 0.173 | 0.285 | RANDOM | 33 |
Temperature Factor Modeling | ||||||
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Anisotropic B[1][1] | Anisotropic B[1][2] | Anisotropic B[1][3] | Anisotropic B[2][2] | Anisotropic B[2][3] | Anisotropic B[3][3] | |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
x_dihedral_angle_d | 24 |
x_scangle_it | 15.18 |
x_mcangle_it | 11.06 |
x_scbond_it | 10.61 |
x_mcbond_it | 7.36 |
x_angle_deg | 1.4 |
x_improper_angle_d | 1.19 |
x_bond_d | 0.008 |
x_bond_d_na | |
x_bond_d_prot |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 2073 |
Nucleic Acid Atoms | |
Solvent Atoms | 38 |
Heterogen Atoms |
Software
Software | |
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Software Name | Purpose |
X-PLOR | model building |
X-PLOR | refinement |
SAINT | data reduction |
SAINT | data scaling |
X-PLOR | phasing |