3OM5
Crystal structure of B. megaterium levansucrase mutant N252A
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 4.1 | 298 | USING 3 uL OF A 8 MG/ML PROTEIN SOLUTION MIXED WITH 3 uL RESERVOIR BUFFER (0.1 M Na-Phosphate-citrate pH 4.1; 0.2 M lithiumsulfate; 20% (w/v) PEG 1000) IN THE DROPLET. , VAPOR DIFFUSION, HANGING DROP, temperature 298K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.18 | 43.61 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 93.368 | α = 90 |
b = 100.186 | β = 90.68 |
c = 95.195 | 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 | MX225 (Rayonics LLC) | 2008-08-21 | 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) | 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 | 1.95 | 50.01 | 99.7 | 117898 | 117544 | -3 | -3 |
Highest Resolution Shell | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | ||||||||||||
1 | 1.95 | 2.11 | 100 |
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 | 1.95 | 50.01 | 117898 | 117876 | 5928 | 93.11 | 0.1825 | 0.1825 | 0.1811 | 0.2084 | RANDOM | 25.7455 |
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] | |
0.82 | -14.73 | -6.92 | 6.1 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 37.074 |
r_dihedral_angle_4_deg | 14.538 |
r_dihedral_angle_3_deg | 13.713 |
r_dihedral_angle_1_deg | 5.953 |
r_scangle_it | 1.481 |
r_angle_refined_deg | 1.028 |
r_scbond_it | 0.917 |
r_mcangle_it | 0.775 |
r_mcbond_it | 0.427 |
r_chiral_restr | 0.07 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 14156 |
Nucleic Acid Atoms | |
Solvent Atoms | 1156 |
Heterogen Atoms | 101 |
Software
Software | |
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Software Name | Purpose |
REFMAC | refinement |
PDB_EXTRACT | data extraction |
DNA | data collection |
XDS | data reduction |
SCALA | data scaling |
MOLREP | phasing |