7L52
Crystal Structure of the Metallo Beta Lactamase L1 from Stenotrophomonas maltophilia Determined by Serial Crystallography
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | BATCH MODE | 289 | Batch crystallization done in polypropylene tubes. 200 ul of the L1 (48 mg/ml) in a buffer 0.015 Tris, 0.1 M KCl, 1.5 mM TCEP, 5 mM ZnCl2 pH 7.0 was added to 200 ul of 0.15 M sodium malonate pH 8.0, 20% (w/v) PEG3350. |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.59 | 52.5 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 105.668 | α = 90 |
b = 105.668 | β = 90 |
c = 99.332 | γ = 120 |
Symmetry | |
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Space Group | P 64 2 2 |
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 | 297 | PIXEL | DECTRIS PILATUS3 X 6M | 2019-12-10 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | APS BEAMLINE 19-ID | 0.97918 | APS | 19-ID |
Serial Crystallography
Sample delivery method | ||
---|---|---|
Diffraction ID | Description | Sample Delivery Method |
1 | Nylon Mesh | fixed target |
Fixed Target | ||||||
---|---|---|---|---|---|---|
Diffraction ID | Description | Sample Holding | Support Base | Motion control | Sample Solvent | |
1 | 60um Nylon mesh | ALEX mesh-holder | SmarAct XYZ stage | PMAC EPICS |
Data Reduction | |||
---|---|---|---|
Diffraction ID | Frames Indexed | Crystal Hits | Total Frames |
1 | 7186 | 38500 |
Data Collection
Overall | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | CC (Half) | R Split (All) | 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 | 1.85 | 46.66 | 99.99 | 0.942 | 0.197 | 4.08 | 57.37 | 28773 | 6.93 |
Highest Resolution Shell | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | CC (Half) | R Split (All) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | ||||||||||
1 | 1.85 | 1.88 | 100 | 0.818 | 0.362 | 1.15 | 29.22 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | Resolution (High) | Resolution (Low) | Cut-off Sigma (F) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Factor (Observed) | R-Work | R-Free | Mean Isotropic B | ||||||
X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | FREE R-VALUE | PDBID 6UA1 | 1.85 | 46.65 | 1.41 | 28496 | 1441 | 99.99 | 0.1773 | 0.1752 | 0.2167 | 13.42 |
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] | |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
f_dihedral_angle_d | 17.0366 |
f_angle_d | 0.7614 |
f_chiral_restr | 0.05 |
f_bond_d | 0.0057 |
f_plane_restr | 0.0051 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 1988 |
Nucleic Acid Atoms | |
Solvent Atoms | 177 |
Heterogen Atoms |
Software
Software | |
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Software Name | Purpose |
PHENIX | refinement |
REFMAC | refinement |
MOLREP | phasing |
cctbx.prime | data scaling |
DIALS | data reduction |