1PCX
Crystal structure of the COPII coat subunit, Sec24, complexed with a peptide from the SNARE protein Bet1
Experimental procedure
| Experimental method | SINGLE WAVELENGTH |
| Source type | SYNCHROTRON |
| Source details | NSLS BEAMLINE X25 |
| Synchrotron site | NSLS |
| Beamline | X25 |
| Temperature [K] | 100 |
| Detector technology | CCD |
| Collection date | 2002-09-12 |
| Detector | ADSC QUANTUM 4 |
| Wavelength(s) | 1.0 |
| Spacegroup name | P 32 2 1 |
| Unit cell lengths | 94.930, 94.930, 198.574 |
| Unit cell angles | 90.00, 90.00, 120.00 |
Refinement procedure
| Resolution | 20.000 * - 2.500 |
| R-factor | 0.217 |
| Rwork | 0.217 |
| R-free | 0.26000 * |
| Structure solution method | MOLECULAR REPLACEMENT |
| RMSD bond length | 0.007 |
| RMSD bond angle | 23.900 * |
| Data reduction software | DENZO |
| Data scaling software | SCALEPACK |
| Phasing software | AMoRE |
| Refinement software | CNS (1.0) |
Data quality characteristics
| Overall | Outer shell | |
| Low resolution limit [Å] | 20.000 | 2.590 |
| High resolution limit [Å] | 2.500 | 2.500 |
| Rmerge | 0.044 | 0.300 |
| Total number of observations | 294648 * | |
| Number of reflections | 34136 | 3076 * |
| <I/σ(I)> | 47.3 | 3.1 |
| Completeness [%] | 93.8 | 86.3 |
Crystallization Conditions
| crystal ID | method | pH | temperature | details |
| 1 | VAPOR DIFFUSION, HANGING DROP | 7.3 * | 4 * | sodium acetate 1,6-hexanediol, cobalt chloride, pH 5.8, VAPOR DIFFUSION, HANGING DROP, temperature 298K |
Crystallization Reagents in Literatures
| ID | crystal ID | solution | reagent name | concentration (unit) | details |
| 1 | 1 | drop | protein | 50 (mg/ml) | |
| 2 | 1 | drop | 200 (mM) | ||
| 3 | 1 | drop | HEPES | 20 (mM) | pH7.3 |
| 4 | 1 | drop | dithiothreitol | 4 (mM) | |
| 5 | 1 | reservoir | 100 (mM) | pH5.8 | |
| 6 | 1 | reservoir | 1,6-hexanediol | 0.35 (M) | |
| 7 | 1 | reservoir | 4 (mM) |
