6NTW
Crystal structure of E. coli YcbB
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION | 7.5 | 298.15 | 0.2 uL protein solution (30 mg/mL purified protein in 20 mM HEPES pH 8.0, 300 mM NaCl) and 1 uL of mother liquor (1.44 M lithium sulfate, 0.08 M HEPES pH 7.5, 0.02 M sodium acetate pH 4.6, 0.015 M ammonium sulfate, 4% (w/v) polyethylene glycol (PEG) 2000 monomethyl ether (MME)) with the addition of 1 mM meropenem and L-Ala-D-Glu-mDAP-D-Ala at 1 mM |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.75 | 55.22 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 126.499 | α = 90 |
b = 126.499 | β = 90 |
c = 88.801 | γ = 90 |
Symmetry | |
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Space Group | P 43 21 2 |
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 PILATUS3 6M | 2018-03-25 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | ALS BEAMLINE 5.0.1 | 0.9774 | ALS | 5.0.1 |
Data Collection
Overall | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (Observed) | Rrim I (All) | 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 | 1.75 | 89.448 | 90.4 | 0.415 | 0.437 | 0.132 | 0.995 | 3.2 | 9.4 | 18943 | 65.64 |
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 | 1.75 | 1.78 | 33.6 | 1.4 |
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 | THROUGHOUT | 2.76 | 89.448 | 1.33 | 18943 | 953 | 99.31 | 0.2583 | 0.2561 | 0.2981 |
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 | 19.059 |
f_angle_d | 1.878 |
f_chiral_restr | 0.11 |
f_plane_restr | 0.014 |
f_bond_d | 0.013 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 3980 |
Nucleic Acid Atoms | |
Solvent Atoms | 21 |
Heterogen Atoms | 51 |
Software
Software | |
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Software Name | Purpose |
PHENIX | refinement |
Aimless | data scaling |
PDB_EXTRACT | data extraction |
XDS | data reduction |
PHASER | phasing |