5MQQ
Transcriptional repressor AmtR of corynebacterium glutamicum
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 5.8 | 293 | AmtR (12 mg/ml) in 20 mM Tris HCl, pH 8.0, 0.2 M NaCl Crystals obtained under the conditions: 0.1 M Bis-Tris pH 5.8, 20 % PEG 3350 and 0.2 M (NH4)2SO4 with a protein to drop ratio of 1:1 microliters |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.25 | 45.29 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 149.783 | α = 90 |
b = 160.638 | β = 90 |
c = 51.45 | γ = 90 |
Symmetry | |
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Space Group | P 21 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 | CCD | RAYONIX MX-225 | 2010-12-04 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | BESSY BEAMLINE 14.1 | 0.91841 | BESSY | 14.1 |
Data Collection
Overall | |||||||||||||||||||
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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 | 2.09 | 33.24 | 98.8 | 0.086 | 13.5 | 4.05 | 73411 | 30.7 |
Highest Resolution Shell | |||||||||||||||||||
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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 | 2.09 | 2.22 | 95.9 | 0.751 | 2.6 | 3.86 |
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 | SAD | FREE R-VALUE | 2.093 | 33.24 | 1.34 | 73341 | 3693 | 98.84 | 0.2112 | 0.2091 | 0.2497 |
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] | |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
f_dihedral_angle_d | 13.242 |
f_angle_d | 0.939 |
f_chiral_restr | 0.04 |
f_bond_d | 0.005 |
f_plane_restr | 0.005 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 9410 |
Nucleic Acid Atoms | |
Solvent Atoms | 591 |
Heterogen Atoms | 10 |
Software
Software | |
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Software Name | Purpose |
PHENIX | refinement |
XDS | data reduction |
XSCALE | data scaling |
PHASER | phasing |