3ZZ6
Crystal structure of 3C protease of coxsackievirus B3 complexed with Michael receptor inhibitor 75
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, SITTING DROP | 8.5 | 100 MM TRIS-HCL PH 8.5, 0.2 M MAGNESIUM CHLORIDE, AND 22% PEG 4000; SITTING DROP |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.07 | 40.74 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 76.92 | α = 90 |
b = 64.09 | β = 116.63 |
c = 39.54 | γ = 90 |
Symmetry | |
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Space Group | C 1 2 1 |
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 | 100 | CCD | MARRESEARCH | MIRRORS | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | BESSY BEAMLINE 14.1 | BESSY | 14.1 |
Data Collection
Overall | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (Observed) | Net I Over Average Sigma (I) | Redundancy | Number Reflections (All) | Number Reflections (Observed) | Observed Criterion Sigma (F) | Observed Criterion Sigma (I) | B (Isotropic) From Wilson Plot | ||||||||
1 | 2.05 | 35.35 | 99.3 | 0.06 | 9.3 | 3.6 | 10746 | 2 |
Highest Resolution Shell | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | |||||||||||
1 | 2.05 | 2.16 | 98.9 | 0.44 | 2.4 | 3.6 |
Refinement
Statistics | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | Resolution (High) | Resolution (Low) | 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 | MOLECULAR REPLACEMENT | THROUGHOUT | CRYSTAL STRUCTURE OF COXSACKIEVIURS B3 3C PROTEASE | 2.05 | 46.88 | 10230 | 516 | 99.04 | 0.22806 | 0.22517 | 0.28484 | RANDOM | 45.471 |
Temperature Factor Modeling | ||||||
---|---|---|---|---|---|---|
Anisotropic B[1][1] | Anisotropic B[1][2] | Anisotropic B[1][3] | Anisotropic B[2][2] | Anisotropic B[2][3] | Anisotropic B[3][3] | |
-0.1 | 2.64 | -0.82 | 3.29 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 32.327 |
r_dihedral_angle_3_deg | 18.639 |
r_dihedral_angle_4_deg | 13.363 |
r_dihedral_angle_1_deg | 7.338 |
r_scangle_it | 3.793 |
r_scbond_it | 2.621 |
r_mcangle_it | 2.013 |
r_angle_refined_deg | 1.886 |
r_mcbond_it | 1.143 |
r_chiral_restr | 0.11 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 1406 |
Nucleic Acid Atoms | |
Solvent Atoms | 34 |
Heterogen Atoms | 37 |
Software
Software | |
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Software Name | Purpose |
REFMAC | refinement |
iMOSFLM | data reduction |
SCALA | data scaling |
MOLREP | phasing |