4ENS
Structure of E530Q variant of E. coli KatE
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 9 | 293 | 17% PEG3350, 1.6 M LiCl, 0.1 M Tris, pH 9.0, vapor diffusion, hanging drop, temperature 293K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.15 | 42.85 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 93.45 | α = 90 |
b = 133.4 | β = 109.18 |
c = 123.24 | γ = 90 |
Symmetry | |
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Space Group | P 1 21 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 | MARMOSAIC 225 mm CCD | mirrors | 2011-07-14 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | CLSI BEAMLINE 08ID-1 | 0.98 | CLSI | 08ID-1 |
Data Collection
Overall | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Sym I (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 | 116.399 | 92.1 | 0.099 | 7.4 | 3.2 | 344208 | 344208 | 2 | 2 |
Highest Resolution Shell | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | R-Sym I (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | ||||||||||
1 | 1.6 | 1.69 | 77.6 | 0.351 | 0.351 | 2.1 | 2.7 | 42156 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Cross Validation method | Resolution (High) | Resolution (Low) | Number Reflections (All) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Factor (All) | R-Factor (Observed) | R-Work | R-Free | R-Free Selection Details | Mean Isotropic B | |||||
X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | THROUGHOUT | 1.6 | 32.19 | 344208 | 343592 | 17269 | 91.79 | 0.1525 | 0.1525 | 0.1509 | 0.1842 | RANDOM | 16.28 |
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] | |
-0.38 | 0.09 | 0.13 | 0.31 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 36.512 |
r_dihedral_angle_3_deg | 14.143 |
r_dihedral_angle_4_deg | 13.36 |
r_dihedral_angle_1_deg | 6.492 |
r_angle_refined_deg | 2.569 |
r_chiral_restr | 0.19 |
r_bond_refined_d | 0.025 |
r_gen_planes_refined | 0.016 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 22952 |
Nucleic Acid Atoms | |
Solvent Atoms | 2948 |
Heterogen Atoms | 348 |
Software
Software | |
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Software Name | Purpose |
SCALA | data scaling |
REFMAC | refinement |
PDB_EXTRACT | data extraction |