5J7W
Enterococcus faecalis thymidylate synthase complex with methotrexate
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | MICROBATCH | 7 | 297 | co-crystallization microbatch under oil 1:1 paraffin/silicon oil precipitant solution: 3.2 M ammonium sulfate and 0.1 M HEPES 6.5 mg/mL EfTS, co-cystallization with 4 mM MTX in DMSO in 1/10 MTX/EfTS volume ratio. |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.24 | 45.18 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 72.227 | α = 90 |
b = 94.144 | β = 94.14 |
c = 96.293 | 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 | ADSC QUANTUM 315r | 2009-12-06 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | ESRF BEAMLINE ID29 | 0.9360 | ESRF | ID29 |
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 | 2.45 | 67.23 | 79.1 | 0.187 | 0.213 | 0.099 | 0.969 | 6.6 | 4.2 | 37276 |
Highest Resolution Shell | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | Rrim I (All) | Rpim I (All) | CC (Half) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | ||||||||
1 | 2.45 | 2.55 | 80.4 | 0.494 | 0.569 | 0.275 | 0.702 | 4 | 4253 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Cross Validation method | 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 | 2.5 | 96.04 | 33282 | 1731 | 78.43 | 0.2035 | 0.2 | 0.2727 | RANDOM | 16.23 |
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] | |
-0.01 | 0.08 | -0.05 | 0.05 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 36.048 |
r_dihedral_angle_4_deg | 18.469 |
r_dihedral_angle_3_deg | 18.406 |
r_dihedral_angle_1_deg | 7.195 |
r_angle_refined_deg | 1.649 |
r_mcangle_it | 1.601 |
r_angle_other_deg | 1.047 |
r_mcbond_it | 0.933 |
r_mcbond_other | 0.933 |
r_chiral_restr | 0.096 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 9607 |
Nucleic Acid Atoms | |
Solvent Atoms | 178 |
Heterogen Atoms | 86 |
Software
Software | |
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Software Name | Purpose |
Aimless | data scaling |
PDB_EXTRACT | data extraction |
MOSFLM | data reduction |
MOLREP | phasing |
PHENIX | refinement |