Multipattern Rietveld refinement with protein powder data: An approach to higher resolution
POWDER DIFFRACTION
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | BATCH CRYSTALLIZATION | 5 | 298 | Rapid precipitation for 4 samples from 1.25, 1.0, 0.75 AND 0.25M NaCl in 0.05M KHPHTHALATE BUFFER, pH 5.0, BATCH CRYSTALLIZATION, temperature 298K |
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 2.07 | 40.46 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 78.716 | α = 90 |
| b = 78.716 | β = 90 |
| c = 38.232 | 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 | 298 | IMAGE PLATE | MAR scanner 345 mm plate | 2004-06-14 | M | SINGLE WAVELENGTH | |||||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | SYNCHROTRON | APS BEAMLINE 1-BM-C | 0.62074 | APS | 1-BM-C |
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 | 1.98 | 17.77 | 99.9 | 0.02 | 3.986 | 8825 | 8776 | 30.9 | |||||||||||
Software
| Software | |
|---|---|
| Software Name | Purpose |
| GSAS | refinement |
| FIT2D | data reduction |
