1N4O
Crystal structure of the Class A beta-lactamase L2 from Stenotrophomonas maltophilia
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 1BZA | PDB ENTRY 1BZA |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 6.5 | 291 | ammonium sulfate 1.5M, sodium cacodylate 0.1M, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 291K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
3.55 | 65.05 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 135.503 | α = 90 |
b = 135.503 | β = 90 |
c = 94.856 | γ = 90 |
Symmetry | |
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Space Group | P 41 21 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 | 283 | IMAGE PLATE | MARRESEARCH | 2001-05-25 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | LURE BEAMLINE DW32 | 0.9485 | LURE | DW32 |
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 | 1.85 | 30 | 99.2 | 0.064 | 22.7 | 6.1 | 75048 | 2.5 | 25.4 |
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) | |||||||||||
1.85 | 1.95 | 95.2 | 0.286 | 2.6 | 5.5 | 10357 |
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 (All) | R-Factor (Observed) | R-Work | R-Free | R-Free Selection Details | Mean Isotropic B | |||||
X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | THROUGHOUT | PDB ENTRY 1BZA | 1.85 | 30 | 70264 | 4719 | 99.1 | 0.164 | 0.155 | 0.147 | 0.164 | RANDOM | 17.3 |
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 |
r_dihedral_angle_2_deg | 16.057 |
r_dihedral_angle_1_deg | 4.497 |
r_scangle_it | 4.399 |
r_mcangle_it | 3.092 |
r_scbond_it | 2.804 |
r_mcbond_it | 1.926 |
r_angle_refined_deg | 1.753 |
r_nbd_refined | 0.25 |
r_chiral_restr | 0.144 |
r_xyhbond_nbd_refined | 0.142 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 4049 |
Nucleic Acid Atoms | |
Solvent Atoms | 315 |
Heterogen Atoms | 20 |
Software
Software | |
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Software Name | Purpose |
MOSFLM | data reduction |
SCALA | data scaling |
AMoRE | phasing |
REFMAC | refinement |
CCP4 | data scaling |