Crystal Structure Of The N-Acetylglucosamine-6-Phosphate Deacetylase From Escherichia Coli K12 at 2.0 A Resolution
X-RAY DIFFRACTION
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | 4 | 293 | sodium dihydrogenophosphate hydrate, pH 4.0, VAPOR DIFFUSION, HANGING DROP, temperature 293K, pH 4.00 | |
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 2.3 | 46.1 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 82.157 | α = 90 |
| b = 114.554 | β = 90 |
| c = 80.208 | γ = 90 |
| Symmetry | |
|---|---|
| Space Group | P 21 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 | IMAGE PLATE | MAR scanner 345 mm plate | 1999-01-28 | M | SINGLE WAVELENGTH | ||||||
| 2 | 1 | x-ray | M | |||||||||||
| 3 | 1 | x-ray | M | |||||||||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | SYNCHROTRON | LNLS BEAMLINE D03B-MX1 | LNLS | D03B-MX1 | |
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 | ||||||||
| 1,2,3 | 2 | 20 | 97.7 | 0.06 | 14.1 | 3.4 | 50702 | 2 | 35.8 | ||||||||||
| 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) | |||||||||||
| 1,2,3 | 2 | 2.05 | 99.3 | 0.22 | 4.27 | 3.2 | |||||||||||||
Refinement
| Statistics | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | Resolution (High) | Resolution (Low) | Number Reflections (All) | 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 | SIRAS | THROUGHOUT | EXPERIMENTAL PHASES FROM AN IODINE SOAKED CRYSTAL | 2 | 20 | 50702 | 48144 | 2540 | 97.7 | 0.161 | 0.159 | 0.2 | 0.199 | 0.23 | RANDOM | 17.92 | |||
| 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] | |
| 0.57 | -0.96 | 0.38 | ||||
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| r_dihedral_angle_1_deg | 7.751 |
| r_scangle_it | 4.607 |
| r_scbond_it | 2.837 |
| r_angle_refined_deg | 1.887 |
| r_mcangle_it | 1.845 |
| r_angle_other_deg | 1.593 |
| r_mcbond_it | 1.091 |
| r_symmetry_vdw_other | 0.32 |
| r_symmetry_hbond_refined | 0.308 |
| r_symmetry_vdw_refined | 0.272 |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 5371 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 435 |
| Heterogen Atoms | 28 |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| REFMAC | refinement |
| DENZO | data reduction |
| SCALEPACK | data scaling |
| SHELXD | phasing |
| SOLVE | phasing |
| RESOLVE | phasing |














