3V5M
Crystal structure of M69V mutant of SHV beta-lactamase
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, SITTING DROP | 300 | Sitting drop: 21-30%A PEG600, 0.1M HEPES pH 6.2-8.2, 0.56mM Cymal-6. Crystals were soaked with SA2-13 inhibitor but no density could be observed, VAPOR DIFFUSION, SITTING DROP, temperature 300K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
1.98 | 38.03 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 49.481 | α = 90 |
b = 55.225 | β = 90 |
c = 83.893 | γ = 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 | ADSC QUANTUM 315r | 2008-08-01 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | SSRL BEAMLINE BL7-1 | 0.9793 | SSRL | BL7-1 |
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 | 1.3 | 50 | 99.7 | 0.082 | 21.5 | 4.6 | 57612 | 57438 | 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 | 1.3 | 1.35 | 99.7 | 0.753 | 4.2 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Cross Validation method | 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 | 1.3 | 32 | 57612 | 54523 | 2915 | 99.66 | 0.16496 | 0.16386 | 0.18612 | RANDOM | 14.716 |
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 | 35.36 |
r_scbond_it | 19.747 |
r_scangle_it | 18.554 |
r_dihedral_angle_4_deg | 16.858 |
r_dihedral_angle_3_deg | 12.187 |
r_dihedral_angle_1_deg | 6.115 |
r_mcangle_it | 3.383 |
r_mcbond_it | 2.819 |
r_angle_refined_deg | 1.525 |
r_chiral_restr | 0.097 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 2023 |
Nucleic Acid Atoms | |
Solvent Atoms | 287 |
Heterogen Atoms | 47 |
Software
Software | |
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Software Name | Purpose |
HKL-2000 | data collection |
PHASER | phasing |
REFMAC | refinement |
HKL-2000 | data reduction |
HKL-2000 | data scaling |