6PUA
The 2.0 A Crystal Structure of the Type B Chloramphenicol Acetyltransferase from Vibrio cholerae
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 3EEV |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, SITTING DROP | 8.5 | 289 | 0.2 M ammonium phosphate monobasic, 0.1 M Tris pH 8.5, 50 % v/v (+/-) 2-methyl-2,4-pentanedio |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.6 | 52.61 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 100.058 | α = 90 |
b = 100.058 | β = 90 |
c = 128.036 | γ = 120 |
Symmetry | |
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Space Group | P 31 2 1 |
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 210r | 2019-02-22 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | APS BEAMLINE 19-BM | 0.97919 | APS | 19-BM |
Data Collection
Overall | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (Observed) | 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 | 2 | 39.42 | 99 | 0.065 | 0.025 | 0.998 | 37.2 | 7.6 | 50618 | 37.43 |
Highest Resolution Shell | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | Rpim I (All) | CC (Half) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | |||||||||
1 | 2 | 2.03 | 100 | 0.969 | 0.415 | 0.746 | 2.18 | 6.3 |
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 | 3EEV | 2 | 39.42 | 1.35 | 50415 | 2356 | 99.53 | 0.164 | 0.1628 | 0.1882 | 45.3 |
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 |
f_dihedral_angle_d | 16.3429 |
f_angle_d | 0.7694 |
f_chiral_restr | 0.0591 |
f_bond_d | 0.0072 |
f_plane_restr | 0.0048 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 5024 |
Nucleic Acid Atoms | |
Solvent Atoms | 356 |
Heterogen Atoms | 50 |
Software
Software | |
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Software Name | Purpose |
PHENIX | refinement |
HKL-3000 | data reduction |
HKL-3000 | data scaling |
MOLREP | phasing |
HKL-3000 | phasing |