3QJ7
Crystal Structure of the Mycobacterium tuberculosis Thymidylate synthase (ThyA) bound to dUMP
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
---|---|---|---|
Type | Source | Accession Code | Details |
experimental model | PDB | 1BID | PDB entry 1BID |
Crystallization
Crystalization Experiments | ||||
---|---|---|---|---|
ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 7 | 298 | 30% Peg 3k, 100mM Tris, 200mM NaCl, spermine additive, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 298K |
Crystal Properties | |
---|---|
Matthews coefficient | Solvent content |
3.2 | 61.59 |
Crystal Data
Unit Cell | |
---|---|
Length ( Å ) | Angle ( ˚ ) |
a = 184.956 | α = 90 |
b = 84.85 | β = 131.21 |
c = 130.065 | γ = 90 |
Symmetry | |
---|---|
Space Group | C 1 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 | MARMOSAIC 300 mm CCD | mirrors | 2009-06-21 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | APS BEAMLINE 23-ID-D | 0.97932 | APS | 23-ID-D |
Data Collection
Overall | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (Observed) | R Sym 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 | 2.5 | 50 | 99.7 | 0.066 | 0.066 | 19.7 | 3.9 | 52086 | 52086 | 46.134 |
Highest Resolution Shell | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | R-Sym I (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | ||||||||||
1 | 2.5 | 2.54 | 99.7 | 0.371 | 0.371 | 4.53 | 3.7 | 2622 |
Refinement
Statistics | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | Resolution (High) | Resolution (Low) | Cut-off Sigma (F) | Number Reflections (All) | 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 1BID | 2.504 | 32.053 | 1.34 | 52048 | 52048 | 2659 | 99.5 | 0.167 | 0.1643 | 0.2166 | random | 44.6249 |
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] | |
-5.5471 | -3.1517 | -1.6195 | 7.1666 |
RMS Deviations | |
---|---|
Key | Refinement Restraint Deviation |
f_dihedral_angle_d | 15.673 |
f_angle_d | 1.128 |
f_chiral_restr | 0.074 |
f_bond_d | 0.007 |
f_plane_restr | 0.005 |
Non-Hydrogen Atoms Used in Refinement | |
---|---|
Non-Hydrogen Atoms | Number |
Protein Atoms | 8281 |
Nucleic Acid Atoms | |
Solvent Atoms | 555 |
Heterogen Atoms | 94 |
Software
Software | |
---|---|
Software Name | Purpose |
SCALEPACK | data scaling |
PHASER | phasing |
PHENIX | refinement |
PDB_EXTRACT | data extraction |
HKL-2000 | data collection |
DENZO | data reduction |