Crystal Structure of the Escherichia coli Glucose-Inhibited Division Protein B (GidB)
X-RAY DIFFRACTION
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | VAPOR DIFFUSION, SITTING DROP | 5.6 | 277 | 15% PEG4000, 10% isopropanol, 0.1M sodium citrate pH 5.6, VAPOR DIFFUSION, SITTING DROP, temperature 277K |
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 2.33 | 47.23 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 53.914 | α = 90 |
| b = 53.914 | β = 90 |
| c = 150.592 | γ = 90 |
| Symmetry | |
|---|---|
| Space Group | P 41 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 | 150 | CCD | MARRESEARCH | Primary Aperture - 7.4 m from source. Be Windows front end - 0.020" thick, 7.1 m from source exit window - 0.010" thick. White X-Ray Beam. | 2000-10-20 | M | MAD | |||||
| 2 | 1 | x-ray | 150 | CCD | MARRESEARCH | Primary Aperture - 7.4 m from source. Be Windows front end - 0.020" thick, 7.1 m from source exit window: 0.010" thick. White X-Ray Beam. | 2001-03-28 | M | SINGLE WAVELENGTH | |||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | SYNCHROTRON | NSLS BEAMLINE X9A | 0.97903, 0.97927 | NSLS | X9A |
| 2 | SYNCHROTRON | NSLS BEAMLINE X9A | 0.98399 | NSLS | X9A |
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 | 2.4 | 30 | 91.8 | 0.078 | 9170 | 9170 | 27.6 | ||||||||||||
| Highest Resolution Shell | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | ||||||||||||
| 2.4 | 2.55 | 98.1 | |||||||||||||||||
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 | MAD | THROUGHOUT | 2.4 | 17.97 | 9170 | 9170 | 936 | 98.7 | 0.2345 | 0.24 | 0.24 | 0.24 | 0.275 | 0.28 | RANDOM | 36.1 | |||
| 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] | |
| 1.38 | 1.38 | -2.77 | ||||
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| c_dihedral_angle_d | 22.4 |
| c_scangle_it | 3.49 |
| c_scbond_it | 2.71 |
| c_mcangle_it | 2.38 |
| c_mcbond_it | 1.44 |
| c_angle_deg | 1.3 |
| c_improper_angle_d | 0.81 |
| c_bond_d | 0.006 |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 1542 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 127 |
| Heterogen Atoms | |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| MLPHARE | phasing |
| CNS | refinement |
| DENZO | data reduction |
| SCALEPACK | data scaling |














