2VAX
Crystal structure of deacetylcephalosporin C acetyltransferase (Cephalosporin C-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 |
2.52 | 51 |
Crystal Data
Unit Cell | |
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Length ( ? ) | Angle ( ? ) |
a = 121.357 | ¦Á = 90 |
b = 109.288 | ¦Â = 90.03 |
c = 195.388 | ¦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 | ADSC CCD | TOROIDAL MIRROR | 2007-03-09 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | ESRF BEAMLINE ID14-3 | ESRF | ID14-3 |
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 | 2.6 | 65.09 | 99.8 | 0.07 | 14.7 | 3.8 | 156738 | 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 | 2.6 | 2.74 | 99.7 | 0.22 | 5.8 | 3.8 |
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 | OTHER | THROUGHOUT | NONE | 2.6 | 62.75 | 153301 | 3414 | 99.8 | 0.212 | 0.211 | 0.24 | RANDOM | 28.99 |
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] | |
-0.33 | -0.07 | 2.1 | -1.77 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 31.354 |
r_dihedral_angle_4_deg | 20.932 |
r_dihedral_angle_3_deg | 17.107 |
r_dihedral_angle_1_deg | 5.994 |
r_scangle_it | 3.642 |
r_scbond_it | 2.169 |
r_angle_refined_deg | 1.909 |
r_mcangle_it | 1.414 |
r_mcbond_it | 0.868 |
r_nbtor_refined | 0.317 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 32625 |
Nucleic Acid Atoms | |
Solvent Atoms | 207 |
Heterogen Atoms | 340 |
Software
Software | |
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Software Name | Purpose |
REFMAC | refinement |
MOSFLM | data reduction |
SCALA | data scaling |
REFMAC | phasing |