METTL1 bound to the SAM competitive small molecule inhibitor STM9005
X-RAY DIFFRACTION
Starting Model(s)
| Initial Refinement Model(s) | |||
|---|---|---|---|
| Type | Source | Accession Code | Details |
| experimental model | Other | In-house MR model, originally derived from PDB 3CKK | |
| experimental model | PDB | 3CKK | Used for original MR |
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | VAPOR DIFFUSION, HANGING DROP | 5.5 | 295 | 100 mM Bis-Tris pH 5.5, 200 mM LiSO4 and 20 % w/v PEG 3350, 10 mM STM5451 |
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 2.63 | 53.28 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 85.986 | α = 90 |
| b = 85.986 | β = 90 |
| c = 66.69 | γ = 120 |
| Symmetry | |
|---|---|
| Space Group | P 61 |
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 9M | 2022-12-12 | M | SINGLE WAVELENGTH | ||||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | SYNCHROTRON | APS BEAMLINE 17-ID | 1.0 | APS | 17-ID |
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 | 1.437 | 74.466 | 95.7 | 0.0812 | 0.0833 | 0.0182 | 0.999 | 20.26 | 20.82 | 45010 | |||||||||
| 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) | ||||||||
| 1.437 | 1.509 | 63.7 | 2.3268 | 2.3952 | 0.5661 | 0.638 | 1.34 | 17.83 | 2250 | ||||||||||
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 | MOLECULAR REPLACEMENT | THROUGHOUT | 1.437 | 20.65 | 44991 | 2313 | 88.2 | 0.1633 | 0.1619 | 0.1661 | 0.1909 | 0.187 | RANDOM | 27.82 | |||||
| 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] | |
| -0.0201 | -0.0201 | 0.0402 | ||||
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| t_other_torsion | 12.93 |
| t_omega_torsion | 4 |
| t_angle_deg | 1.01 |
| t_bond_d | 0.01 |
| t_dihedral_angle_d | |
| t_gen_planes | |
| t_it | |
| t_chiral_improper_torsion | |
| t_ideal_dist_contact | |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 1739 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 291 |
| Heterogen Atoms | 58 |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| autoPROC | data processing |
| XDS | data reduction |
| pointless | data scaling |
| Aimless | data scaling |
| STARANISO | data scaling |
| MOLREP | phasing |
| Coot | model building |
| BUSTER | refinement |














