Structure of shikimate kinase from Mycobacterium tuberculosis complexed with ADP and shikimate at 1.9 angstrons of resolution
X-RAY DIFFRACTION
Starting Model(s)
| Initial Refinement Model(s) | |||
|---|---|---|---|
| Type | Source | Accession Code | Details | 
| experimental model | PDB | 1WE2 | PDB ENTRY 1WE2 | 
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details | 
| 1 | VAPOR DIFFUSION | 8 | 293 | 0.1M tris-HCl, 17% PEG 1500, 0.5-0.7M LiCl, pH 8.0, VAPOR DIFFUSION, temperature 293K | 
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content | 
| 2.84 | 56.76 | 
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) | 
| a = 63.296 | α = 90 | 
| b = 63.296 | β = 90 | 
| c = 91.61 | 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 | IMAGE PLATE | RIGAKU | 2005-06-07 | M | SINGLE WAVELENGTH | ||||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline | 
| 1 | SYNCHROTRON | LNLS BEAMLINE D03B-MX1 | 1.427 | LNLS | D03B-MX1 | 
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 | 1.93 | 35.16 | 99 | 4.8 | 16169 | 16017 | 2 | 2 | |||||||||||
| Highest Resolution Shell | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | ||||||||||||
| 1.93 | 2.03 | 21.6 | 4.6 | 2160 | |||||||||||||||
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 (All) | R-Factor (Observed) | R-Work (Depositor) | R-Work (DCC) | R-Free (Depositor) | R-Free (DCC) | R-Free Selection Details | Mean Isotropic B | |
| X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | THROUGHOUT | PDB ENTRY 1WE2 | 1.93 | 35.16 | 2 | 16475 | 15130 | 804 | 96.72 | 0.20494 | 0.202 | 0.2017 | 0.2 | 0.26687 | 0.26 | RANDOM | 32.718 | |
| 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_2_deg | 31.012 | 
| r_dihedral_angle_3_deg | 19.884 | 
| r_dihedral_angle_4_deg | 19.472 | 
| r_scangle_it | 9.333 | 
| r_dihedral_angle_1_deg | 8.385 | 
| r_scbond_it | 7.39 | 
| r_mcangle_it | 4.917 | 
| r_mcbond_it | 3.937 | 
| r_angle_refined_deg | 2.01 | 
| r_symmetry_hbond_refined | 0.555 | 
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number | 
| Protein Atoms | 1226 | 
| Nucleic Acid Atoms | |
| Solvent Atoms | 192 | 
| Heterogen Atoms | 40 | 
Software
| Software | |
|---|---|
| Software Name | Purpose | 
| REFMAC | refinement | 
| MOSFLM | data reduction | 
| CCP4 | data scaling | 
| AMoRE | phasing | 














