Structure of a VgrG Vibrio cholerae toxin ACD domain in complex with ADP and Mg++
X-RAY DIFFRACTION
Starting Model(s)
| Initial Refinement Model(s) | |||
|---|---|---|---|
| Type | Source | Accession Code | Details |
| experimental model | PDB | 4DTF | PDB ENTRY 4DTF |
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | 6.3 | 293 | 300 nL of protein at 13mg/mL, 100 nL of 2.4 M AmSO4, 0.1 M Bi-Tris, pH 6.3, VAPOR DIFFUSION, SITTING DROP, temperature 293K | |
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 3.61 | 65.9 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 128.46 | α = 90 |
| b = 128.46 | β = 90 |
| c = 76.39 | γ = 90 |
| Symmetry | |
|---|---|
| Space Group | P 43 2 2 |
Diffraction
| Diffraction Experiment | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol | |||||
| 1 | 1 | x-ray | 100 | IMAGE PLATE | MAR scanner 345 mm plate | MIRRORS | 2012-03-02 | M | SINGLE WAVELENGTH | |||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | ROTATING ANODE | BRUKER AXS MICROSTAR | |||
Data Collection
| Overall | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (Observed) | 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 | 2.25 | 50 | 100 | 0.053 | 21.4 | 4.2 | 28824 | 39.49 | |||||||||||
| Highest Resolution Shell | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | |||||||||||
| 1 | 2.25 | 2.3 | 93.2 | 0.436 | 3.7 | 4 | |||||||||||||
Refinement
| Statistics | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | Resolution (High) | Resolution (Low) | Number Reflections (All) | 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 | PDB ENTRY 4DTF | 2.25 | 40.62 | 28721 | 28721 | 1019 | 92.9 | 0.175 | 0.174 | 0.18 | 0.196 | 0.2 | RANDOM | 37.25 | |||
| 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] | |
| -2.2882 | -2.2882 | 4.5764 | ||||
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| t_other_torsion | 19.17 |
| t_omega_torsion | 3.23 |
| t_angle_deg | 1.08 |
| t_bond_d | 0.01 |
| t_dihedral_angle_d | |
| t_incorr_chiral_ct | |
| t_pseud_angle | |
| t_trig_c_planes | |
| t_gen_planes | |
| t_it | |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 2757 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 470 |
| Heterogen Atoms | 55 |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| MAR345dtb | data collection |
| MOLREP | phasing |
| BUSTER | refinement |
| HKL-3000 | data reduction |
| XSCALE | data scaling |














