5E4N
3-Deoxy-D-arabino-heptulosonate 7-phosphate synthase from Mycobacterium tuberculosis with D-tyrosine bound in the tyrosine and phenylalanine binding sites
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 3NV8 | PDB entry 3NV8 |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 7.5 | 293 | 0.1 M TRIS-HCL, PH 7.5, 1.5 M AMMONIUM SULFATE, 12% V/V GLYCEROL. CRYSTALS WERE SOAKED IN THE SAME SOLUTION WITH AN ADDITIONAL 10% V/V GLYCEROL AND 5 MM D-TYROSINE FOR 24 HRS |
Crystal Properties | |
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Matthews coefficient | Solvent content |
4.01 | 69.29 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 205.739 | α = 90 |
b = 205.739 | β = 90 |
c = 66.644 | 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 | 100 | CCD | ADSC QUANTUM 210r | 2013-02-07 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | AUSTRALIAN SYNCHROTRON BEAMLINE MX1 | 0.953700 | Australian Synchrotron | MX1 |
Data Collection
Overall | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (Observed) | 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 | 2.05 | 47.37 | 100 | 0.165 | 0.051 | 0.998 | 14.9 | 11.4 | 101243 |
Highest Resolution Shell | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | Rpim I (All) | CC (Half) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | |||||||||
1 | 2.05 | 2.09 | 100 | 1.233 | 0.383 | 0.625 | 2.5 | 11.3 | 5044 |
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 3NV8 | 2.05 | 47.37 | 96174 | 5048 | 99.98 | 0.2004 | 0.1989 | 0.2287 | RANDOM | 31.482 |
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] | |
2.28 | 2.28 | -4.56 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 34.946 |
r_dihedral_angle_4_deg | 17.244 |
r_dihedral_angle_3_deg | 13.336 |
r_dihedral_angle_1_deg | 5.597 |
r_angle_refined_deg | 1.452 |
r_angle_other_deg | 0.805 |
r_chiral_restr | 0.078 |
r_bond_refined_d | 0.011 |
r_gen_planes_refined | 0.006 |
r_bond_other_d | 0.001 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 7000 |
Nucleic Acid Atoms | |
Solvent Atoms | 541 |
Heterogen Atoms | 60 |
Software
Software | |
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Software Name | Purpose |
Aimless | data scaling |
MOLREP | phasing |
REFMAC | refinement |
PDB_EXTRACT | data extraction |