Biochemical and Structural Studies of Malate Synthase from Mycobacterium tuberculosis
X-RAY DIFFRACTION
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details | 
| 1 | VAPOR DIFFUSION, HANGING DROP | 6.5 | 292 | Ammonium Sulphate, MES pH 6.5, Dioxane, magnesium chloride, acetyl coenzyme A, glyoxylate, VAPOR DIFFUSION, HANGING DROP, temperature 292K | 
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content | 
| 2.64 | 53.49 | 
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) | 
| a = 120.985 | α = 90 | 
| b = 120.985 | β = 90 | 
| c = 232.787 | γ = 90 | 
| Symmetry | |
|---|---|
| Space Group | P 41 21 2 | 
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 4 | mirrors | 2000-12-15 | M | SINGLE WAVELENGTH | |||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline | 
| 1 | SYNCHROTRON | APS BEAMLINE 14-BM-C | 1.0 | APS | 14-BM-C | 
Data Collection
| Overall | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (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 | 2.6 | 30 | 96.2 | 51936 | |||||||||||||||
| Highest Resolution Shell | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | ||||||||||||
| 2.6 | 2.69 | 93.9 | |||||||||||||||||
Refinement
| Statistics | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Diffraction ID | Structure Solution Method | Cross Validation method | Resolution (High) | Resolution (Low) | Number Reflections (All) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Factor (All) | R-Factor (Observed) | R-Work (Depositor) | R-Free (Depositor) | R-Free Selection Details | Mean Isotropic B | |||||
| X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | THROUGHOUT | 2.7 | 29.36 | 43284 | 40817 | 4591 | 94.3 | 0.2002 | 0.2002 | 0.19049 | 0.28719 | RANDOM | 25.996 | |||||
| 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] | |
| -0.01 | -0.01 | -0.01 | ||||
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation | 
| r_dihedral_angle_1_deg | 5.814 | 
| r_scangle_it | 1.594 | 
| r_angle_refined_deg | 1.186 | 
| r_scbond_it | 0.933 | 
| r_mcangle_it | 0.734 | 
| r_mcbond_it | 0.391 | 
| r_nbd_refined | 0.214 | 
| r_symmetry_vdw_refined | 0.179 | 
| r_symmetry_hbond_refined | 0.171 | 
| r_xyhbond_nbd_refined | 0.166 | 
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number | 
| Protein Atoms | 10960 | 
| Nucleic Acid Atoms | |
| Solvent Atoms | 639 | 
| Heterogen Atoms | 97 | 
Software
| Software | |
|---|---|
| Software Name | Purpose | 
| DENZO | data reduction | 
| SCALEPACK | data scaling | 
| AMoRE | phasing | 
| REFMAC | refinement | 














