Crystal structure of mutant exfoliative toxin C (ExhC) from Mammaliicoccus sciuri
X-RAY DIFFRACTION
Starting Model(s)
| Initial Refinement Model(s) | |||
|---|---|---|---|
| Type | Source | Accession Code | Details |
| experimental model | PDB | 5C2Z | |
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | VAPOR DIFFUSION, HANGING DROP | 8.5 | 291 | 0.2 M MgCl2; 0.1 M Tris-HCl pH 8.5 and 30% w/v PEG 4000 with the addition of 0.1 M Sarcosine |
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 2.02 | 38.97 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 45.15 | α = 90 |
| b = 71.398 | β = 94.705 |
| c = 71.383 | 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 | PIXEL | DECTRIS PILATUS 2M | 2020-12-14 | M | SINGLE WAVELENGTH | ||||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | SYNCHROTRON | LNLS SIRIUS BEAMLINE MANACA | 1.323630 | LNLS SIRIUS | MANACA |
Data Collection
| Overall | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (Observed) | 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 | 1.57 | 39.553 | 99.9 | 0.06174 | 0.02589 | 0.999 | 15.17 | 6.5 | 63061 | ||||||||||
| Highest Resolution Shell | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | Rpim I (All) | CC (Half) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | |||||||||
| 1 | 1.57 | 1.626 | 0.06174 | 0.5632 | 0.506 | 1.14 | |||||||||||||
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 (All) | R-Work (Depositor) | R-Work (DCC) | R-Free (Depositor) | R-Free (DCC) | Mean Isotropic B | ||||||
| X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | FREE R-VALUE | 1.57 | 39.553 | 63061 | 3153 | 99.894 | 0.183 | 0.1813 | 0.19 | 0.2229 | 0.23 | 27.023 | ||||||
| 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] | |
| -1.512 | 0.232 | 1.167 | 0.303 | |||
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| r_dihedral_angle_6_deg | 15.779 |
| r_dihedral_angle_3_deg | 14.362 |
| r_lrange_other | 8.385 |
| r_lrange_it | 8.378 |
| r_scangle_it | 7.415 |
| r_scangle_other | 7.413 |
| r_dihedral_angle_1_deg | 7.158 |
| r_dihedral_angle_2_deg | 6.904 |
| r_scbond_it | 5.124 |
| r_scbond_other | 5.123 |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 3711 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 283 |
| Heterogen Atoms | |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| REFMAC | refinement |
| XDS | data reduction |
| XDS | data scaling |
| MOLREP | phasing |














