BINDING OF PENTA-N-ACETYLCHITOPENTAOSE TO HEW LYSOZYME: A POWDER DIFFRACTION STUDY
POWDER DIFFRACTION
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | rapid precipitation | 6 | 298 | NaCl, Na2HPO4, KH2PO4, penta-N-acetylchitopentaose, pH 6.0, rapid precipitation, temperature 298K |
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 2.08 | 40.4 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 79 | α = 90 |
| b = 79 | β = 90 |
| c = 38.137 | 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 | x-ray | 296 | DIFFRACTOMETER | CUSTOM-MADE | Ge(111) analyser | 2001-07-21 | M | SINGLE WAVELENGTH | |||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | SYNCHROTRON | NSLS BEAMLINE X3B1 | 0.700388 | NSLS | X3B1 |
Data Collection
| Overall | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (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 | 3.22 | 40.13 | 100 | 2254 | 2254 | ||||||||||||||
Software
| Software | |
|---|---|
| Software Name | Purpose |
| pov | data collection |
| PROCESS | data reduction |
| GSAS | model building |
| GSAS | refinement |
| POV | data reduction |
| PROCESS | data scaling |
| GSAS | phasing |
