Crystal structure of a putative cell surface protein (BACCAC_03700) from Bacteroides caccae ATCC 43185 at 2.07 A resolution
X-RAY DIFFRACTION
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | VAPOR DIFFUSION, SITTING DROP | 10.5 | 277 | 0.200M lithium sulfate, 2.00M ammonium sulfate, 0.1M CAPS pH 10.5, NANODROP, VAPOR DIFFUSION, SITTING DROP, temperature 277K |
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 3.91 | 68.53 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 87.241 | α = 90 |
| b = 104.103 | β = 90 |
| c = 153.954 | γ = 90 |
| Symmetry | |
|---|---|
| Space Group | I 2 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 | PIXEL | DECTRIS PILATUS 6M | Flat mirror (vertical focusing); single crystal Si(111) bent monochromator (horizontal focusing) | 2012-04-04 | M | MAD | |||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | SYNCHROTRON | SSRL BEAMLINE BL11-1 | 0.97932,0.91837,0.97862 | SSRL | BL11-1 |
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 | 2.07 | 46.029 | 97.4 | 0.079 | 12.27 | 42010 | -3 | 32.803 | |||||||||||
| 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 | 2.07 | 2.14 | 99.3 | 0.818 | 1.8 | ||||||||||||||
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 (Observed) | R-Work (Depositor) | R-Work (DCC) | R-Free (Depositor) | R-Free (DCC) | R-Free Selection Details | Mean Isotropic B | |||||
| X-RAY DIFFRACTION | MAD | THROUGHOUT | 2.07 | 46.029 | 42003 | 2118 | 97.5 | 0.1781 | 0.1766 | 0.18 | 0.2049 | 0.21 | RANDOM | 37.2084 | |||||
| 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] | |
| 2.2984 | -11.3676 | 9.0692 | ||||
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| t_omega_torsion | 3.9 |
| t_other_torsion | 2.58 |
| t_angle_deg | 1.14 |
| t_bond_d | 0.01 |
| t_dihedral_angle_d | |
| t_trig_c_planes | |
| t_gen_planes | |
| t_it | |
| t_nbd | |
| t_improper_torsion | |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 3032 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 460 |
| Heterogen Atoms | 81 |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| MolProbity | model building |
| PDB_EXTRACT | data extraction |
| SHELX | phasing |
| SHARP | phasing |
| XSCALE | data scaling |
| BUSTER-TNT | refinement |
| XDS | data reduction |
| SHELXD | phasing |
| BUSTER | refinement |














