Crystal Structure of Conserved Protein of Unknown Function EF_1977 from Enterococcus faecalis
X-RAY DIFFRACTION
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | VAPOR DIFFUSION, SITTING DROP | 8 | 298 | 1.0 M Sodium Citrate, 0.1 M Imidazole pH 8.0, VAPOR DIFFUSION, SITTING DROP, temperature 298K |
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 3.53 | 65.18 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 81.381 | α = 90 |
| b = 81.381 | β = 90 |
| c = 164.16 | γ = 90 |
| Symmetry | |
|---|---|
| Space Group | P 43 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 | ADSC QUANTUM 315r | mirrors | 2007-03-02 | M | SINGLE WAVELENGTH | |||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | SYNCHROTRON | APS BEAMLINE 19-ID | 0.97921 | APS | 19-ID |
Data Collection
| Overall | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Sym 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 | 2.93 | 50 | 99.4 | 0.105 | 8.5 | 16.3 | 12505 | 12505 | 92.3 | ||||||||||
| Highest Resolution Shell | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R-Sym I (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | |||||||||||
| 2.93 | 3.03 | 95.6 | 0.676 | 2 | 6.9 | 1180 | |||||||||||||
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 (All) | 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 | 2.925 | 40.691 | 12442 | 12442 | 623 | 99.18 | 0.206 | 0.206 | 0.203 | 0.196 | 0.253 | 0.246 | random | 129.7 | |||
| 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] | |
| 8.3981 | 8.3981 | -16.7961 | ||||
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| f_dihedral_angle_d | 18.202 |
| f_angle_d | 0.913 |
| f_chiral_restr | 0.057 |
| f_bond_d | 0.006 |
| f_plane_restr | 0.003 |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 2443 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 53 |
| Heterogen Atoms | 14 |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| SBC-Collect | data collection |
| HKL-3000 | data collection |
| HKL-3000 | phasing |
| SHELXS | phasing |
| MLPHARE | phasing |
| RESOLVE | model building |
| SOLVE | phasing |
| PHENIX | model building |
| PHENIX | refinement |
| HKL-3000 | data reduction |
| HKL-3000 | data scaling |
| RESOLVE | phasing |
| PHENIX | phasing |














