8CJG
AetF, a single-component flavin-dependent tryptophan halogenase, in complex with 7-bromo-L-tryptophan
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, SITTING DROP | 8 | 293.15 | Condition A6, Morpheus Green Screen (Molecular Dimensions), 30 mM CaCl2, 30 mM MgCl2, 0.1 M HEPES/MOPS pH 7.5, 20 % (v/v) ethylene glycol, 10 % (w/v) PEG 8000, 6 mg/mL AetF (50 mM HEPES pH 7.0, 100 mM NaCl, 1 mM DTT), drop with 300 nL protein + 300 nL reservoir, crystals soaked with 150 nL 7-bromo-L-tryptophan solution (sat. 7-bromo-L-tryptophan, 25 % (v/v) ethylene glycol) |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.12 | 42.02 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 122.326 | α = 90 |
b = 122.326 | β = 90 |
c = 87.163 | γ = 90 |
Symmetry | |
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Space Group | P 43 |
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 PILATUS 6M | 2022-11-08 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | ESRF BEAMLINE ID23-1 | 0.88560 | ESRF | ID23-1 |
Data Collection
Overall | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | Rrim 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 | 2.3 | 50 | 100 | 0.248 | 0.988 | 7.97 | 7.09 | 112302 | 45.8 |
Highest Resolution Shell | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | Rrim I (All) | CC (Half) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | ||||||||||
1 | 2.3 | 2.44 | 1.206 | 0.524 | 1.64 | 6.71 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Cross Validation method | 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 | 2.3 | 46.34 | 788.09 | 112248 | 5606 | 99.99 | 0.1547 | 0.1532 | 0.1903 | 28.25 |
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 |
f_dihedral_angle_d | 14.1829 |
f_angle_d | 0.5291 |
f_chiral_restr | 0.0423 |
f_plane_restr | 0.0038 |
f_bond_d | 0.0024 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 10521 |
Nucleic Acid Atoms | |
Solvent Atoms | 650 |
Heterogen Atoms | 196 |
Software
Software | |
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Software Name | Purpose |
PHENIX | refinement |
MxCuBE | data collection |
XDS | data reduction |
XDS | data scaling |
PHASER | phasing |
Coot | model building |