6C6G
An unexpected vestigial protein complex reveals the evolutionary origins of an s-triazine catabolic enzyme. Inhibitor bound complex.
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, SITTING DROP | 5.5 | 293 | 100 mM bis-tris at pH 5.5, 128 mM MgCl2, 21% (w/v) PEG 8000 in the reservoir with protein at 1.1 mg/mL with 0.05% agarose gel in 250 plus 250 nL drops at 20 C. |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.18 | 43.66 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 78.629 | α = 90 |
b = 88.909 | β = 101.32 |
c = 141.852 | γ = 90 |
Symmetry | |
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Space Group | I 1 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 | PIXEL | DECTRIS EIGER X 16M | 2017-07-06 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | AUSTRALIAN SYNCHROTRON BEAMLINE MX2 | 0.95370 | Australian Synchrotron | MX2 |
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 | 2.1 | 74.91 | 100 | 0.326 | 0.126 | 0.982 | 6.7 | 7.6 | 55955 |
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 | 2.1 | 2.16 | 100 | 1.282 | 0.496 | 0.656 | 7.6 |
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 | 3ip4 and 3dha | 2.1 | 74.91 | 53225 | 2726 | 99.97 | 0.16858 | 0.16649 | 0.20952 | RANDOM | 16.845 |
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] | |
1.24 | -0.98 | -0.06 | -0.73 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 32.086 |
r_dihedral_angle_4_deg | 16.582 |
r_dihedral_angle_3_deg | 12.917 |
r_dihedral_angle_1_deg | 5.969 |
r_long_range_B_refined | 4.28 |
r_long_range_B_other | 4.203 |
r_scangle_other | 2.714 |
r_mcangle_it | 1.902 |
r_mcangle_other | 1.902 |
r_scbond_it | 1.689 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 7781 |
Nucleic Acid Atoms | |
Solvent Atoms | 639 |
Heterogen Atoms | 2 |
Software
Software | |
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Software Name | Purpose |
REFMAC | refinement |
DIALS | data reduction |
Aimless | data scaling |
MoRDa | phasing |