6IOI
Crystal structure of Homoserine O-acetyltransferase in complex with CoA from Mycobacterium smegmatis ATCC 19420
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 5.5 | 293 | 34 % (v/v) polyethylene glycol (PEG) 400, 0.1 M Sodium acetate/acetic acid pH 5.5, 0.2 M calcium acetate |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.56 | 51.99 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 58.384 | α = 90 |
b = 96.366 | β = 90 |
c = 140.67 | 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 270 | 2018-10-24 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | PAL/PLS BEAMLINE 7A (6B, 6C1) | 0.97934 | PAL/PLS | 7A (6B, 6C1) |
Data Collection
Overall | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (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 | 1.6 | 50 | 99.9 | 46 | 7.2 | 105196 |
Highest Resolution Shell | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | ||||||||||||
1 | 1.6 | 1.63 | 99.9 | 9.56 | 7.1 |
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 | 6IOG | 1.6 | 30.14 | 99881 | 5222 | 99.79 | 0.1819 | 0.1806 | 0.2064 | RANDOM | 16.62 |
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] | |
-0.15 | 0.68 | -0.53 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 28.265 |
r_dihedral_angle_4_deg | 16.933 |
r_dihedral_angle_3_deg | 12.28 |
r_dihedral_angle_1_deg | 6.225 |
r_angle_refined_deg | 1.769 |
r_angle_other_deg | 1.564 |
r_chiral_restr | 0.094 |
r_bond_refined_d | 0.013 |
r_gen_planes_refined | 0.01 |
r_bond_other_d | 0.001 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 5482 |
Nucleic Acid Atoms | |
Solvent Atoms | 577 |
Heterogen Atoms | 96 |
Software
Software | |
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Software Name | Purpose |
REFMAC | refinement |
HKL-2000 | data reduction |
PDB_EXTRACT | data extraction |
HKL-2000 | data scaling |
MOLREP | phasing |