STRUCTURE OF E. COLI GLMU: ANALYSIS OF PYROPHOSPHORYLASE AND ACETYLTRANSFERASE ACTIVE SITES
X-RAY DIFFRACTION
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details | 
| 1 | VAPOR DIFFUSION, HANGING DROP | 6.4 | 293 | MES, ammonium sulfate, magnesium chloride, cobalt chloride, pH 6.4, VAPOR DIFFUSION, HANGING DROP, temperature 293.0K | 
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content | 
| 3.46 | 64.41 | 
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) | 
| a = 104.5 | α = 90 | 
| b = 104.5 | β = 90 | 
| c = 648.2 | γ = 120 | 
| Symmetry | |
|---|---|
| Space Group | H 3 2 | 
Diffraction
| Diffraction Experiment | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol | |||||
| 1 | 1 | x-ray | 293 | IMAGE PLATE | RIGAKU RAXIS IV | confocal mirrors | 1999-04-06 | M | SINGLE WAVELENGTH | |||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline | 
| 1 | ROTATING ANODE | RIGAKU | 1.5418 | ||
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 | 2.1 | 30.25 | 96.4 | 0.107 | 9.7 | 5 | 391782 | 391782 | -3 | 9.5 | |||||||||
| 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 | 2.1 | 2.18 | 82.2 | 0.233 | 1.62 | 2.1 | |||||||||||||
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-Free (Depositor) | R-Free Selection Details | Mean Isotropic B | |||||
| X-RAY DIFFRACTION | MIR | THROUGHOUT | 2.1 | 30.25 | 76727 | 76727 | 3799 | 95.3 | 0.213 | 0.211 | 0.211 | 0.248 | SHELLS | 21.6 | |||||
| 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] | |
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation | 
| x_dihedral_angle_d | 27.9 | 
| x_scangle_it | 3.21 | 
| x_scbond_it | 2.03 | 
| x_mcangle_it | 1.67 | 
| x_angle_deg | 1.3 | 
| x_mcbond_it | 1.06 | 
| x_improper_angle_d | 0.61 | 
| x_bond_d | 0.008 | 
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number | 
| Protein Atoms | 6758 | 
| Nucleic Acid Atoms | |
| Solvent Atoms | 257 | 
| Heterogen Atoms | 179 | 
Software
| Software | |
|---|---|
| Software Name | Purpose | 
| SHARP | phasing | 
| X-PLOR | refinement | 
| DENZO | data reduction | 
| SCALEPACK | data scaling | 














