C. glutamicum S-adenosylmethionine synthase co-crystallized with Adenosine, triphosphate, and SAM
X-RAY DIFFRACTION
Starting Model(s)
| Initial Refinement Model(s) | |||
|---|---|---|---|
| Type | Source | Accession Code | Details |
| experimental model | PDB | 3TDE | |
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | VAPOR DIFFUSION, HANGING DROP | 293.15 | PEG 3350, Sodium phosphate monobasic monohydrate | |
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 2.3 | 46.5 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 61.311 | α = 90 |
| b = 116.806 | β = 103.31 |
| c = 116.314 | γ = 90 |
| Symmetry | |
|---|---|
| Space Group | P 1 21 1 |
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 270 | 2022-10-22 | M | SINGLE WAVELENGTH | ||||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | SYNCHROTRON | PAL/PLS BEAMLINE 7A (6B, 6C1) | 0.97934 | PAL/PLS | 7A (6B, 6C1) |
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 | 2.39 | 50 | 99.3 | 0.08 | 0.093 | 0.048 | 0.99 | 11.4 | 3.6 | 62235 | |||||||||
| 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 | 2.4 | 2.44 | 99.1 | 0.359 | 0.432 | 0.235 | 0.781 | 3.2 | |||||||||||
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 | 3TDE | 2.39 | 32.63 | 59022 | 3194 | 98.86 | 0.1983 | 0.19374 | 0.2 | 0.2604 | 0.27 | RANDOM | 41.026 | ||||
| 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] | |
| 4.39 | -0.51 | -0.08 | -3.66 | |||
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| r_dihedral_angle_2_deg | 33.014 |
| r_dihedral_angle_4_deg | 19.562 |
| r_dihedral_angle_3_deg | 19.062 |
| r_long_range_B_other | 8.232 |
| r_long_range_B_refined | 8.23 |
| r_dihedral_angle_1_deg | 7.601 |
| r_scangle_other | 5.472 |
| r_mcangle_it | 5.303 |
| r_mcangle_other | 5.303 |
| r_scbond_it | 3.532 |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 11853 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 283 |
| Heterogen Atoms | 269 |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| REFMAC | refinement |
| HKL-2000 | data scaling |
| PDB_EXTRACT | data extraction |
| HKL-2000 | data reduction |
| MOLREP | phasing |
