Crystallization of the Thermotoga maritima lysine riboswitch bound to lysine, IRIDIUM HEXAMINE SOAK
X-RAY DIFFRACTION
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details | 
| 1 | VAPOR DIFFUSION, HANGING DROP | 5.7 | 293 | 18% PEG4000, 0.1M sodium citrate, 20% isopropanol, pH 5.7, VAPOR DIFFUSION, HANGING DROP, temperature 293K | 
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content | 
| 2.61 | 52.96 | 
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) | 
| a = 53.918 | α = 90 | 
| b = 78.004 | β = 90 | 
| c = 140.835 | γ = 90 | 
| Symmetry | |
|---|---|
| Space Group | P 21 21 21 | 
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 | 2008-02-06 | M | MAD | ||||||
| 2 | 1 | |||||||||||||
| 3 | 1 | |||||||||||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline | 
| 1 | SYNCHROTRON | NSLS BEAMLINE X29A | 1.105199 | NSLS | X29A | 
| 2 | SYNCHROTRON | NSLS BEAMLINE X29A | 1.105516 | NSLS | X29A | 
| 3 | SYNCHROTRON | NSLS BEAMLINE X29A | 1.085799 | NSLS | X29A | 
Data Collection
| Overall | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge 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 | 2.4 | 20 | 99 | 0.113 | 23.9 | 6.5 | 24039 | 23799 | |||||||||||
| Highest Resolution Shell | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | |||||||||||
| 2.4 | 2.49 | 97.6 | 0.539 | 3.4 | 6.1 | 2338 | |||||||||||||
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-Work (DCC) | R-Free (Depositor) | R-Free (DCC) | R-Free Selection Details | Mean Isotropic B | |||
| X-RAY DIFFRACTION | MAD | THROUGHOUT | 2.4 | 20 | 22705 | 22478 | 1206 | 99.02 | 0.20595 | 0.20595 | 0.20397 | 0.2 | 0.24319 | 0.24 | RANDOM | 27.732 | |||
| 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] | |
| -0.24 | -1.38 | 1.62 | ||||
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation | 
| r_dihedral_angle_3_deg | 7.085 | 
| r_scangle_it | 1.372 | 
| r_angle_refined_deg | 1.193 | 
| r_scbond_it | 0.877 | 
| r_mcangle_it | 0.456 | 
| r_mcbond_it | 0.287 | 
| r_nbtor_refined | 0.264 | 
| r_nbd_refined | 0.154 | 
| r_symmetry_vdw_refined | 0.127 | 
| r_xyhbond_nbd_refined | 0.12 | 
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number | 
| Protein Atoms | |
| Nucleic Acid Atoms | 3752 | 
| Solvent Atoms | 259 | 
| Heterogen Atoms | 156 | 
Software
| Software | |
|---|---|
| Software Name | Purpose | 
| REFMAC | refinement | 
| CBASS | data collection | 
| HKL-2000 | data reduction | 
| HKL-2000 | data scaling | 
| SHARP | phasing | 














