2GGX
Crystal structure of the trimer neck and carbohydrate recognition domain of human surfactant protein D in complex with p-nitrophenyl maltoside
Experimental procedure
| Experimental method | SINGLE WAVELENGTH |
| Source type | SYNCHROTRON |
| Source details | NSLS BEAMLINE X8C |
| Synchrotron site | NSLS |
| Beamline | X8C |
| Temperature [K] | 100 |
| Detector technology | CCD |
| Collection date | 2005-11-05 |
| Detector | ADSC QUANTUM 4 |
| Wavelength(s) | 1.0 |
| Spacegroup name | P 1 21 1 |
| Unit cell lengths | 55.431, 106.400, 55.080 |
| Unit cell angles | 90.00, 92.65, 90.00 |
Refinement procedure
| Resolution | 50.000 - 1.900 |
| R-factor | 0.22 |
| Rwork | 0.214 |
| R-free | 0.23800 |
| Structure solution method | MOLECULAR REPLACEMENT |
| Starting model (for MR) | 1pwb |
| Data reduction software | DENZO |
| Data scaling software | SCALEPACK |
| Phasing software | CNS |
| Refinement software | CNS |
Data quality characteristics
| Overall | Outer shell | |
| Low resolution limit [Å] | 50.000 | 1.970 |
| High resolution limit [Å] | 1.900 | 1.900 |
| Rmerge | 0.069 | 0.287 |
| Number of reflections | 50803 | 5121 |
| <I/σ(I)> | 18.8 | |
| Completeness [%] | 99.8 | 99.8 |
| Redundancy | 3.4 | 3.3 |
Crystallization Conditions
| crystal ID | method | pH | temperature | details |
| 1 | VAPOR DIFFUSION, HANGING DROP | 7.5 | 290 | 12% PEG 8000, 150mM NaCl, 10mM CaCl2, 100mM HEPES, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 290K |






