Crystal Structure of a Protein of Unknown Function VC0802 from Vibrio cholerae, Possible Transport Protein
X-RAY DIFFRACTION
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | VAPOR DIFFUSION, SITTING DROP | 8 | 298 | 45% glycerol, pH 8.0, VAPOR DIFFUSION, SITTING DROP, temperature 298K |
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 3.257 | 60.78 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 97.224 | α = 90 |
| b = 99.561 | β = 90 |
| c = 163.433 | γ = 90 |
| Symmetry | |
|---|---|
| Space Group | C 2 2 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 | CCD | SBC-2 | mirriors | 2004-12-21 | M | SINGLE WAVELENGTH | |||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | SYNCHROTRON | APS BEAMLINE 19-ID | 0.9798 | APS | 19-ID |
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 | 2.2 | 50 | 95.1 | 0.077 | 17.44 | 4.5 | 40583 | 2 | 2 | 21.11 | |||||||||
| 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 | 2.2 | 2.28 | 72.2 | 0.72 | 1.28 | 2.9 | 7744 | ||||||||||||
Refinement
| Statistics | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Diffraction ID | Structure Solution Method | Cross Validation method | 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 | SAD | THROUGHOUT | 2.2 | 81.65 | 38512 | 37076 | 1953 | 96.27 | 0.21573 | 0.21404 | 0.21 | 0.24643 | 0.25 | RANDOM | 45.146 | ||||
| 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] | |
| 0.92 | -0.51 | -0.41 | ||||
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| r_dihedral_angle_2_deg | 37.287 |
| r_dihedral_angle_3_deg | 19.767 |
| r_dihedral_angle_4_deg | 19.433 |
| r_dihedral_angle_1_deg | 6.143 |
| r_scangle_it | 2.3 |
| r_angle_refined_deg | 1.327 |
| r_scbond_it | 1.288 |
| r_mcangle_it | 1.215 |
| r_mcbond_it | 0.656 |
| r_nbtor_refined | 0.299 |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 3868 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 322 |
| Heterogen Atoms | |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| REFMAC | refinement |
| SBC-Collect | data collection |
| HKL-2000 | data scaling |
| CNS | phasing |














