Crystal structure of Putative lipid binding protein (YP_001304415.1) from Parabacteroides distasonis ATCC 8503 at 2.16 A resolution
X-RAY DIFFRACTION
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | VAPOR DIFFUSION, SITTING DROP | 8 | 277 | 2.30M ammonium sulfate, 0.1M Bicine pH 8.0, VAPOR DIFFUSION, SITTING DROP, NANODROP, temperature 277K |
| 2 | VAPOR DIFFUSION, SITTING DROP | 8.29 | 277 | 2.50M ammonium sulfate, 0.1M Bicine pH 8.29, VAPOR DIFFUSION, SITTING DROP, NANODROP, temperature 277K |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 201.88 | α = 90 |
| b = 201.88 | β = 90 |
| c = 202.84 | γ = 90 |
| Symmetry | |
|---|---|
| Space Group | P 41 21 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 | CCD | MARMOSAIC 325 mm CCD | Flat mirror (vertical focusing) | 2009-07-08 | M | SINGLE WAVELENGTH | |||||
| 2 | 2 | x-ray | 100 | CCD | MARMOSAIC 325 mm CCD | Flat mirror (vertical focusing) | 2009-07-08 | M | MAD | |||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | SYNCHROTRON | SSRL BEAMLINE BL11-1 | 0.97886 | SSRL | BL11-1 |
| 2 | SYNCHROTRON | SSRL BEAMLINE BL11-1 | 0.97886,0.91837 | 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 | 2.16 | 49.207 | 96.7 | 0.093 | 8.91 | 3.76 | 217900 | -3 | 37.203 | ||||||||||
| 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 | 2.16 | 2.31 | 91.5 | 0.709 | 2.02 | ||||||||||||||
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 | 2.16 | 49.207 | 217881 | 10941 | 97.61 | 0.189 | 0.187 | 0.19 | 0.21 | 0.21 | RANDOM | 30.091 | |||||
| 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] | |
| 0.19 | 0.19 | -0.38 | ||||
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| r_dihedral_angle_2_deg | 41.999 |
| r_dihedral_angle_3_deg | 11.592 |
| r_dihedral_angle_4_deg | 10.796 |
| r_dihedral_angle_1_deg | 6.759 |
| r_scangle_it | 4.9 |
| r_scbond_it | 2.974 |
| r_angle_refined_deg | 1.598 |
| r_mcangle_it | 1.455 |
| r_angle_other_deg | 0.911 |
| r_mcbond_it | 0.697 |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 11166 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 1727 |
| Heterogen Atoms | 221 |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| REFMAC | refinement |
| PHENIX | refinement |
| SHELX | phasing |
| MolProbity | model building |
| XSCALE | data scaling |
| PDB_EXTRACT | data extraction |
| XDS | data reduction |
| autoSHARP | phasing |














