4LUT
alanine racemase [Clostridium difficile 630] complex with cycloserine
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 4LUS | PDB ENTRY 4LUS |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, SITTING DROP | 7.5 | 298 | 20mg/ml protein in 50mM Tris pH 8.0, 0.02% v/v BME, 10 micromolar pyridoxal-L-phosphate, crystallization buffer 0.1M cycloserine, 0.2M sodium formate, 20% w/V PEG3350, VAPOR DIFFUSION, SITTING DROP, temperature 298K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
3.36 | 63.42 |
Crystal Data
Unit Cell | |
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Length ( ? ) | Angle ( ? ) |
a = 57.84 | ¦Á = 90 |
b = 138.97 | ¦Â = 90 |
c = 144.89 | ¦Ã = 90 |
Symmetry | |
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Space Group | P 21 21 21 |
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 | IMAGE PLATE | RIGAKU RAXIS HTC | 2012-10-05 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | ROTATING ANODE | RIGAKU FR-E+ SUPERBRIGHT | 1.514179 |
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 | 2.26 | 53.72 | 64.8 | 0.13 | 8.7 | 5.7 | 30908 | 35794 | 2 | 2 |
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 | 2.26 | 2.33 | 55.5 | 0.893 | 1.8 | 5.5 | 2605 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | Resolution (High) | Resolution (Low) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Factor (Observed) | R-Work | R-Free | R-Free Selection Details | Mean Isotropic B | ||||||
X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | THROUGHOUT | PDB ENTRY 4LUS | 2.26 | 45.62 | 33808 | 1785 | 63.97 | 0.21198 | 0.21014 | 0.24788 | RANDOM | 33.349 |
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] | |
-1.64 | 1.24 | 0.41 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 37.631 |
r_dihedral_angle_4_deg | 17.405 |
r_dihedral_angle_3_deg | 16.348 |
r_long_range_B_refined | 6.404 |
r_dihedral_angle_1_deg | 5.889 |
r_mcangle_it | 2.473 |
r_scbond_it | 2.227 |
r_mcbond_it | 1.575 |
r_mcbond_other | 1.571 |
r_angle_refined_deg | 1.352 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 5846 |
Nucleic Acid Atoms | |
Solvent Atoms | 171 |
Heterogen Atoms | 44 |
Software
Software | |
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Software Name | Purpose |
CrystalClear | data collection |
PHASER | phasing |
REFMAC | refinement |
MOSFLM | data reduction |
SCALA | data scaling |