3QZU
Crystal structure of Bacillus subtilis Lipase A 7-fold mutant; the outcome of directed evolution towards thermostability
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 6 | 293 | 24% (w/v) PEG 3350, 0.2 M (NH4)2)SO4, 0.1 M BisTris-HCl, 0.03 M BES-NaOH, 0.03% (w/v) NaN3, pH 6.0, VAPOR DIFFUSION, HANGING DROP, temperature 293K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.66 | 53.78 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 59.163 | α = 90 |
b = 45.511 | β = 101.1 |
c = 77.613 | γ = 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 | MARMOSAIC 225 mm CCD | mirrors | 2010-06-10 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | ESRF BEAMLINE ID23-2 | 0.8726 | ESRF | ID23-2 |
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 | 1.71 | 45.51 | 98.3 | 0.159 | 6.8 | 4.1 | 43880 | 43134 | 3 | 16.9 |
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 | 1.71 | 1.81 | 88.2 | 0.822 | 1.5 | 3.3 | 18453 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | Resolution (High) | Resolution (Low) | Number Reflections (All) | 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 1I6W | 1.85 | 76.16 | 33215 | 32229 | 1700 | 97.03 | 0.17525 | 0.17274 | 0.22275 | RANDOM | 13.792 |
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] | |
-0.6 | 0.37 | 0.15 | 0.59 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 33.835 |
r_dihedral_angle_3_deg | 10.42 |
r_dihedral_angle_4_deg | 10 |
r_dihedral_angle_1_deg | 5.851 |
r_scangle_it | 3.238 |
r_scbond_it | 1.967 |
r_mcangle_it | 1.145 |
r_angle_refined_deg | 1.107 |
r_mcbond_it | 0.621 |
r_chiral_restr | 0.078 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 2700 |
Nucleic Acid Atoms | |
Solvent Atoms | 482 |
Heterogen Atoms | 42 |
Software
Software | |
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Software Name | Purpose |
REFMAC | refinement |