OvsM from Marinimicrobium koreense, an ovoselenol-biosynthetic N-methyltransferase in complex with 5-selenohistidine and SAH
X-RAY DIFFRACTION
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | VAPOR DIFFUSION, SITTING DROP | 8.5 | 293 | 0.1 M Tris-HCl, pH 8.5, 0.2 M tri-sodium citrate, 30% v/v PEG400 |
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 2.5 | 50.8 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 83.838 | α = 90 |
| b = 90.058 | β = 90 |
| c = 80.321 | γ = 90 |
| Symmetry | |
|---|---|
| Space Group | C 2 2 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 | PIXEL | DECTRIS EIGER2 S 16M | 2023-10-19 | M | SINGLE WAVELENGTH | ||||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | SYNCHROTRON | CHESS BEAMLINE 7B2 | 0.9686 | CHESS | 7B2 |
Data Collection
| Overall | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (Observed) | Rrim I (All) | Rpim I (All) | CC (Half) | 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 | 1.66 | 29 | 98.75 | 0.05334 | 0.07543 | 0.05334 | 0.997 | 9.95 | 1.9 | 35794 | 20.26 | ||||||||
| Highest Resolution Shell | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | Rrim I (All) | Rpim I (All) | CC (Half) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | ||||||||
| 1 | 1.66 | 1.719 | 95.33 | 0.6965 | 0.985 | 0.6965 | 0.521 | 1.2 | 1.9 | ||||||||||
Refinement
| Statistics | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Diffraction ID | Structure Solution Method | Cross Validation method | Resolution (High) | Resolution (Low) | Cut-off Sigma (F) | 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) | Mean Isotropic B | |||||
| X-RAY DIFFRACTION | SIR | FREE R-VALUE | 1.66 | 29 | 1.34 | 35767 | 1362 | 98.79 | 0.1787 | 0.1777 | 0.1785 | 0.2051 | 0.2047 | 24.79 | |||||
| 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] | |
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| f_dihedral_angle_d | 14.0392 |
| f_angle_d | 1.2066 |
| f_chiral_restr | 0.0714 |
| f_plane_restr | 0.0349 |
| f_bond_d | 0.0113 |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 1912 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 282 |
| Heterogen Atoms | 42 |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| XDS | data reduction |
| XDS | data scaling |
| PHASER | phasing |
| Coot | model building |
| PHENIX | refinement |














