Crystal Structure of Acetyl-CoA synthetase in complex with adenosine-5'-ethylphosphate from Coccidioides immitis RS
X-RAY DIFFRACTION
Starting Model(s)
| Initial Refinement Model(s) | |||
|---|---|---|---|
| Type | Source | Accession Code | Details |
| experimental model | PDB | 5IFI | PDB entry 5ifi |
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | VAPOR DIFFUSION, SITTING DROP | 7.5 | 287 | Optimization condition around Molecular Dimensions MCSG1 H3: 200mM lithium acetate, 19.1% PEG 3350: CoimA.00629.a.FS11.PD00401 at 10mg/ml + 1mM TCEP + 1mM ethylAMP: tray 317942 F7: cryo: 20% EG + ligands: puck FBB2-2. |
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 2.46 | 50 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 107.2 | α = 90 |
| b = 107.2 | β = 90 |
| c = 116.1 | γ = 120 |
| Symmetry | |
|---|---|
| Space Group | P 63 |
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 | RAYONIX MX-300 | Beryllium Lenses | 2020-10-01 | M | SINGLE WAVELENGTH | |||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | SYNCHROTRON | APS BEAMLINE 21-ID-F | 0.97872 | APS | 21-ID-F |
Data Collection
| Overall | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (Observed) | Rrim 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 | 2.15 | 50 | 100 | 0.067 | 0.071 | 0.999 | 21.83 | 9.423 | 41174 | 42.47 | |||||||||
| Highest Resolution Shell | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | Rrim I (All) | CC (Half) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | |||||||||
| 1 | 2.15 | 2.21 | 100 | 0.557 | 0.589 | 0.903 | 4.24 | 9.553 | |||||||||||
Refinement
| Statistics | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | 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) | R-Free Selection Details | Mean Isotropic B | |||
| X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | FREE R-VALUE | PDB entry 5ifi | 2.15 | 36.25 | 1.35 | 41142 | 1896 | 99.99 | 0.1684 | 0.1666 | 0.17 | 0.2052 | 0.2 | 0 | 49.75 | |||
| 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 | 13.1993 |
| f_angle_d | 0.7896 |
| f_chiral_restr | 0.0553 |
| f_plane_restr | 0.0078 |
| f_bond_d | 0.0067 |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 4701 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 320 |
| Heterogen Atoms | 45 |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| XDS | data reduction |
| XSCALE | data scaling |
| PHENIX | refinement |
| PDB_EXTRACT | data extraction |
| MoRDa | phasing |
| PHENIX | model building |
| Coot | model building |














