Methyltransferase of the MtgA D102A mutant from Desulfitobacterium hafniense in complex with methyl-tetrahydrofolate
X-RAY DIFFRACTION
Starting Model(s)
| Initial Refinement Model(s) | |||
|---|---|---|---|
| Type | Source | Accession Code | Details | 
| experimental model | PDB | 1SJ8 | |
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details | 
| 1 | VAPOR DIFFUSION, SITTING DROP | 7.5 | 293 | 100 mM HEPES, 27% PEG 3350 | 
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content | 
| 2.14 | 42.58 | 
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) | 
| a = 77.03 | α = 90 | 
| b = 84.29 | β = 90 | 
| c = 87.56 | 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 | PIXEL | DECTRIS EIGER X 16M | 2018-12-01 | M | SINGLE WAVELENGTH | ||||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline | 
| 1 | SYNCHROTRON | SLS BEAMLINE X06SA | 1.0 | SLS | X06SA | 
Data Collection
| Overall | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (Observed) | 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 | 1.95 | 30 | 99.2 | 0.092 | 0.998 | 11.5 | 5.1 | 41877 | |||||||||||
| Highest Resolution Shell | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | CC (Half) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | ||||||||||
| 1 | 1.95 | 2.05 | 99.2 | 0.579 | 0.917 | 2.6 | |||||||||||||
Refinement
| Statistics | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | 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 | 1SJ8 | 1.95 | 30 | 39770 | 2093 | 99.13 | 0.1869 | 0.1851 | 0.2 | 0.2174 | 0.24 | RANDOM | 31.928 | ||||
| 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] | |
| 4.84 | -3.19 | -1.66 | ||||
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation | 
| r_dihedral_angle_2_deg | 35.813 | 
| r_dihedral_angle_4_deg | 20.786 | 
| r_dihedral_angle_3_deg | 13.264 | 
| r_dihedral_angle_1_deg | 5.905 | 
| r_angle_refined_deg | 1.297 | 
| r_angle_other_deg | 1.226 | 
| r_rigid_bond_restr | 1.014 | 
| r_chiral_restr | 0.057 | 
| r_gen_planes_refined | 0.005 | 
| r_bond_refined_d | 0.004 | 
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number | 
| Protein Atoms | 4679 | 
| Nucleic Acid Atoms | |
| Solvent Atoms | 76 | 
| Heterogen Atoms | 63 | 
Software
| Software | |
|---|---|
| Software Name | Purpose | 
| REFMAC | refinement | 
| PDB_EXTRACT | data extraction | 
| XDS | data reduction | 
| XSCALE | data scaling | 
| REFMAC | phasing | 














