2VAV
Crystal structure of deacetylcephalosporin C acetyltransferase (DAC-Soak)
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | 18-19% PEG 4000, 0.1M IMIDAZOLE, 0.5M NACL, 0.2M SODIUM ACETATE |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.53 | 52 |
Crystal Data
Unit Cell | |
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Length ( ? ) | Angle ( ? ) |
a = 122.065 | ¦Á = 90 |
b = 108.865 | ¦Â = 90.03 |
c = 195.792 | ¦Ã = 90 |
Symmetry | |
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Space Group | P 1 21 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 | TOROIDAL MIRROR | 2007-02-24 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | ESRF BEAMLINE ID23-1 | ESRF | ID23-1 |
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 | 2.5 | 109.11 | 100 | 0.08 | 12.9 | 3.7 | 177299 | 6 |
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 | 2.5 | 2.64 | 100 | 0.37 | 3.3 | 3.8 |
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 | OTHER | THROUGHOUT | NONE | 2.5 | 103.7 | 173708 | 3419 | 99.9 | 0.22 | 0.219 | 0.255 | RANDOM | 28.52 |
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] | |
-0.95 | 0.11 | 1.92 | -0.97 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 31.398 |
r_dihedral_angle_4_deg | 19.365 |
r_dihedral_angle_3_deg | 16.719 |
r_dihedral_angle_1_deg | 7.269 |
r_scangle_it | 3.951 |
r_scbond_it | 2.405 |
r_angle_refined_deg | 1.718 |
r_mcangle_it | 1.573 |
r_mcbond_it | 0.967 |
r_symmetry_hbond_refined | 0.326 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 32606 |
Nucleic Acid Atoms | |
Solvent Atoms | 499 |
Heterogen Atoms | 369 |
Software
Software | |
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Software Name | Purpose |
REFMAC | refinement |
MOSFLM | data reduction |
SCALA | data scaling |
REFMAC | phasing |