5E2L
3-deoxy-D-arabino-heptulosonate 7-phosphate synthase from Mycobacterium tuberculosis in complex with D-phenylalanine
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
---|---|---|---|
Type | Source | Accession Code | Details |
experimental model | PDB | 3NV8 | PDB entry 3NV8 |
Crystallization
Crystalization Experiments | ||||
---|---|---|---|---|
ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 7.5 | 298 | 0.1 M TRIS-HCl, pH 7.5, 1.5M ammonium sulfate, 12% v/v glycerol. Crystals were soaked in the same solution with an additional 10% v/v glycerol and 2.5 mM D-phenylalanine |
Crystal Properties | |
---|---|
Matthews coefficient | Solvent content |
3.95 | 68.88 |
Crystal Data
Unit Cell | |
---|---|
Length ( Å ) | Angle ( ˚ ) |
a = 203.989 | α = 90 |
b = 203.989 | β = 90 |
c = 66.904 | γ = 120 |
Symmetry | |
---|---|
Space Group | P 32 2 1 |
Diffraction
Diffraction Experiment | ||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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 | 2012-09-26 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | AUSTRALIAN SYNCHROTRON BEAMLINE MX1 | 0.97948 | Australian Synchrotron | MX1 |
Data Collection
Overall | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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 | 2.5 | 49 | 100 | 0.19 | 0.059 | 0.993 | 12 | 11.2 | 55365 |
Highest Resolution Shell | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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 | 2.5 | 2.57 | 100 | 0.85 | 0.262 | 0.77 | 3 | 11.5 | 4529 |
Refinement
Statistics | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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 | 2.5 | 49 | 52625 | 2718 | 99.99 | 0.1566 | 0.1557 | 0.1736 | RANDOM | 35.628 |
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] | |
2.93 | 2.93 | -5.86 |
RMS Deviations | |
---|---|
Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 33.781 |
r_dihedral_angle_4_deg | 16.336 |
r_dihedral_angle_3_deg | 12.828 |
r_dihedral_angle_1_deg | 5.684 |
r_angle_refined_deg | 1.105 |
r_angle_other_deg | 0.753 |
r_chiral_restr | 0.059 |
r_bond_refined_d | 0.007 |
r_gen_planes_refined | 0.004 |
r_bond_other_d | 0.001 |
Non-Hydrogen Atoms Used in Refinement | |
---|---|
Non-Hydrogen Atoms | Number |
Protein Atoms | 7046 |
Nucleic Acid Atoms | |
Solvent Atoms | 82 |
Heterogen Atoms | 63 |
Software
Software | |
---|---|
Software Name | Purpose |
REFMAC | refinement |
Aimless | data scaling |
PDB_EXTRACT | data extraction |
XDS | data reduction |
MOLREP | phasing |