4MBK
Crystal structure of K234R inhibitor-resistant variant of SHV beta-lactamase in complex with SA2-13
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, SITTING DROP | 293 | 21-30% PEG 6000, 0.1M HEPES, 0.56mM Cymal-6, VAPOR DIFFUSION, SITTING DROP, temperature 293K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
1.96 | 37.29 |
Crystal Data
Unit Cell | |
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Length ( ? ) | Angle ( ? ) |
a = 49.212 | ¦Á = 90 |
b = 55.361 | ¦Â = 90 |
c = 83.325 | ¦Ã = 90 |
Symmetry | |
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Space Group | P 21 21 21 |
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 325 mm CCD | 2012-02-07 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | SSRL BEAMLINE BL9-2 | 0.9795 | SSRL | BL9-2 |
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 | 1.46 | 36.78 | 99.47 | 0.051 | 23 | 3.6 | 38334 | 38131 | 1 | 1 |
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 | 1.459 | 1.496 | 100 | 0.64 | 2 | 3.5 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Cross Validation method | 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 | FOURIER SYNTHESIS | THROUGHOUT | 1.46 | 36.78 | 38131 | 2010 | 99.47 | 0.18013 | 0.17832 | 0.21444 | RANDOM | 17.982 |
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] | |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 35.716 |
r_scbond_it | 22.823 |
r_scangle_it | 21.479 |
r_dihedral_angle_4_deg | 16.871 |
r_dihedral_angle_3_deg | 13.307 |
r_dihedral_angle_1_deg | 6.101 |
r_mcangle_it | 5.284 |
r_mcbond_it | 3.776 |
r_angle_refined_deg | 1.455 |
r_chiral_restr | 0.093 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 2026 |
Nucleic Acid Atoms | |
Solvent Atoms | 161 |
Heterogen Atoms | 67 |
Software
Software | |
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Software Name | Purpose |
HKL-2000 | data collection |
REFMAC | refinement |
HKL-2000 | data reduction |
HKL-2000 | data scaling |