3ZV8
Crystal structure of 3C protease of Enterovirus 68
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 1CQQ | PDB ENTRY 1CQQ |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, SITTING DROP | 4.6 | 0.07 M SODIUM ACETATE (PH 4.6), 15% PEG 4000, 30% GLYCEROL. SITTING DROP. |
Crystal Properties | |
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Matthews coefficient | Solvent content |
3.73 | 67.05 |
Crystal Data
Unit Cell | |
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Length ( ? ) | Angle ( ? ) |
a = 56.34 | ¦Á = 90 |
b = 56.34 | ¦Â = 90 |
c = 171.001 | ¦Ã = 120 |
Symmetry | |
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Space Group | P 31 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 | MARMOSAIC 225 mm CCD | 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 | 2.4 | 42.75 | 100 | 0.1 | 14.1 | 7.7 | 13045 | 2 |
Highest Resolution Shell | |||||||||||||||||||
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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 | 2.4 | 2.53 | 100 | 0.57 | 3.9 | 7.9 |
Refinement
Statistics | |||||||||||||||||||
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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 | PDB ENTRY 1CQQ | 2.4 | 42.38 | 12345 | 631 | 99.83 | 0.20768 | 0.20621 | 0.23733 | RANDOM | 35.618 |
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] | |
0.36 | 0.18 | 0.36 | -0.54 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 35.338 |
r_dihedral_angle_4_deg | 21.222 |
r_dihedral_angle_3_deg | 17.431 |
r_dihedral_angle_1_deg | 7.786 |
r_scangle_it | 4.739 |
r_scbond_it | 2.896 |
r_mcangle_it | 2.278 |
r_angle_refined_deg | 1.777 |
r_mcbond_it | 1.198 |
r_chiral_restr | 0.129 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 1470 |
Nucleic Acid Atoms | |
Solvent Atoms | 54 |
Heterogen Atoms |
Software
Software | |
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Software Name | Purpose |
REFMAC | refinement |
iMOSFLM | data reduction |
SCALA | data scaling |
MOLREP | phasing |