2WQD
Crystal structure of enzyme I of the phosphoenolpyruvate:sugar phosphotransferase system in the dephosphorylated state
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
---|---|---|---|---|
ID | Method | pH | Temperature | Details |
1 | 0.2M KCL 20% (W/V) PEG 3350 |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.34 | 46.99 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 98.34 | α = 90 |
b = 98.34 | β = 90 |
c = 105.11 | γ = 120 |
Symmetry | |
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Space Group | P 32 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 | 110 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | ROTATING ANODE | RIGAKU RU300 |
Data Collection
Overall | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge 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 | 2.4 | 35.91 | 100 | 0.09 | 29.6 | 19.1 | 23409 | -3 | 36.07 |
Highest Resolution Shell | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | |||||||||||
1 | 2.4 | 2.54 | 100 | 0.46 | 6.9 |
Refinement
Statistics | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Diffraction ID | Structure Solution 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 | 2.4 | 35.906 | 1.4 | 23406 | 1747 | 99.98 | 0.2331 | 0.2282 | 0.2951 |
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] | |
-0.3899 | -0.3899 | -10.6178 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
f_dihedral_angle_d | 14.309 |
f_angle_d | 0.661 |
f_chiral_restr | 0.047 |
f_bond_d | 0.003 |
f_plane_restr | 0.002 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 4324 |
Nucleic Acid Atoms | |
Solvent Atoms | 155 |
Heterogen Atoms | 1 |
Software
Software | |
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Software Name | Purpose |
PHENIX | refinement |
XDS | data reduction |
XSCALE | data scaling |
PHASER | phasing |