6IZD
Crystal structure of the chromosome-encoded beta-lactamase mutant R168H/M221I of Vibrio parahaemolyticus
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, SITTING DROP | 293 | 10 mg/ml protein in 10 mM HEPES pH 7.5, 150 mM NaCl, 1 mM DTT was mixed with 2 M Ammonium sulfate, 0.1 M sodium citrate/ Citric acid pH 5.0 in 1:1 volume ratio |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.84 | 56.68 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 55.598 | α = 90 |
b = 60.425 | β = 90 |
c = 101.616 | 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 | PIXEL | DECTRIS PILATUS3 6M | 2017-06-23 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | SSRF BEAMLINE BL19U1 | 0.97774 | SSRF | BL19U1 |
Data Collection
Overall | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Sym I (Observed) | Rrim I (All) | Rpim I (All) | CC (Half) | 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 | 1.599 | 60.423 | 100 | 0.065 | 0.068 | 0.019 | 1 | 21.3 | 13 | 46039 | 26.05 |
Highest Resolution Shell | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R-Sym I (Observed) | Rrim I (All) | Rpim I (All) | CC (Half) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | ||||||||
1 | 1.599 | 1.605 | 100 | 0.914 | 0.954 | 0.27 | 0.812 | 2.1 | 12.4 |
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 (Observed) | R-Work | R-Free | R-Free Selection Details | Mean Isotropic B | ||||||
X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | THROUGHOUT | 1G68 | 1.6 | 23.43 | 45908 | 2260 | 100 | 0.189 | 0.188 | 0.204 | RANDOM | 30.87 |
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] | |
0.3674 | -3.5145 | 3.1471 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
t_other_torsion | 16.31 |
t_omega_torsion | 3.6 |
t_angle_deg | 1 |
t_bond_d | 0.01 |
t_dihedral_angle_d | |
t_incorr_chiral_ct | |
t_pseud_angle | |
t_trig_c_planes | |
t_gen_planes | |
t_it |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 2043 |
Nucleic Acid Atoms | |
Solvent Atoms | 236 |
Heterogen Atoms | 12 |
Software
Software | |
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Software Name | Purpose |
BUSTER | refinement |
autoPROC | data scaling |
MOLREP | phasing |
XDS | data reduction |