Crystal structure of LacI family transcriptional regulator from Enterococcus faecium, Target EFI-512930, with bound ribose
X-RAY DIFFRACTION
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details | 
| 1 | VAPOR DIFFUSION, SITTING DROP | 8.5 | 294 | protein in 10 mM Bis-Tris, 500 mM sodium chloride, 10% glycerol, 5 mM DTT, TEV protease (1:100 ratio), reservoir: 1 M sodium acetate:HCl, pH 4.6, 1.5 M ammonium chloride, 10 mM D-glucose, cryoprotectant = reservoir + 30% w/v glycerol, VAPOR DIFFUSION, SITTING DROP, temperature 294K | 
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content | 
| 3.33 | 63.01 | 
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) | 
| a = 123.371 | α = 90 | 
| b = 95.243 | β = 119.47 | 
| c = 123.602 | γ = 90 | 
| Symmetry | |
|---|---|
| Space Group | P 1 21 1 | 
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 | 2014-09-05 | M | SINGLE WAVELENGTH | |||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline | 
| 1 | SYNCHROTRON | NSLS BEAMLINE X29A | NSLS | X29A | |
Data Collection
| Overall | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (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 | 1.9 | 50 | 100 | 0.1 | 0.1 | 16.9 | 5.2 | 197594 | -3 | ||||||||||
| Highest Resolution Shell | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | R-Sym I (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | ||||||||||
| 1 | 1.9 | 1.93 | 95.7 | 0.93 | 0.93 | 1.8 | 4.8 | ||||||||||||
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 | SAD | THROUGHOUT | 1.9 | 50 | 190152 | 5684 | 99.93 | 0.16012 | 0.15922 | 0.1738 | 0.19234 | 0.2036 | RANDOM | 37.347 | |||||
| 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] | |
| -1.34 | 0.03 | 2.63 | -0.81 | |||
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation | 
| r_dihedral_angle_2_deg | 37.251 | 
| r_long_range_B_other | 15.084 | 
| r_long_range_B_refined | 15.083 | 
| r_scangle_other | 14.268 | 
| r_scbond_it | 13.209 | 
| r_scbond_other | 13.208 | 
| r_dihedral_angle_3_deg | 12.763 | 
| r_dihedral_angle_4_deg | 9.884 | 
| r_mcangle_it | 8.621 | 
| r_mcangle_other | 8.621 | 
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number | 
| Protein Atoms | 12715 | 
| Nucleic Acid Atoms | |
| Solvent Atoms | 1175 | 
| Heterogen Atoms | 81 | 
Software
| Software | |
|---|---|
| Software Name | Purpose | 
| SHELX | model building | 
| ARP/wARP | model building | 
| REFMAC | refinement | 
| HKL-2000 | data reduction | 
| HKL-2000 | data scaling | 
| SHELX | phasing | 














