T. Thermophilus 16S rRNA N2 G1207 methyltransferase (RsmC) in complex with AdoMet
X-RAY DIFFRACTION
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | microbatch technique under oil | 7.5 | 277 | 0.1 M HEPES (pH 7.5) 1.5 M lithium sulfate monohydrate, microbatch technique under oil, temperature 277K |
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 2.57 | 52.22 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 50.697 | α = 90 |
| b = 88.421 | β = 90 |
| c = 95.417 | 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 | MAR CCD 165 mm | Slits: Variable vertical and horizontal slits. Monochromator: Monochromator system consisting of a horizontally deflecting and focusing crystal preceded by a vertically focusing mirror. Distance from monochromator to sample is variable between 2.5 and 4.5 m. Distance from the monochromator to source is ~10.5 m. | 2008-12-20 | M | SINGLE WAVELENGTH | |||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | SYNCHROTRON | NSLS BEAMLINE X4C | 0.9797 | NSLS | X4C |
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 | 1.58 | 30 | 98.6 | 0.051 | 27.3 | 5.9 | 55718 | ||||||||||||
| 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) | |||||||||||
| 1 | 1.58 | 1.64 | 92.4 | 0.398 | 3 | 4.2 | 3766 | ||||||||||||
Refinement
| Statistics | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Diffraction ID | Structure Solution Method | Cross Validation method | Resolution (High) | Resolution (Low) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | 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 | SAD | THROUGHOUT | 1.58 | 30 | 55718 | 2961 | 98.58 | 0.1864 | 0.18463 | 0.18 | 0.2202 | 0.22 | RANDOM | 27.085 | |||||
| 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] | |
| 0.37 | 0.21 | -0.58 | ||||
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| r_dihedral_angle_2_deg | 29.922 |
| r_dihedral_angle_4_deg | 17.62 |
| r_dihedral_angle_3_deg | 12.151 |
| r_dihedral_angle_1_deg | 5.95 |
| r_scangle_it | 3.09 |
| r_scbond_it | 2.029 |
| r_angle_refined_deg | 1.322 |
| r_mcangle_it | 1.125 |
| r_mcbond_it | 0.727 |
| r_nbtor_refined | 0.304 |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 2834 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 632 |
| Heterogen Atoms | 57 |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| REFMAC | refinement |
| MAR345dtb | data collection |
| HKL-2000 | data reduction |
| HKL-2000 | data scaling |
| SOLVE | phasing |














