1NYU
Crystal Structure of Activin A Bound to the ECD of ActRIIB
Experimental procedure
| Experimental method | SINGLE WAVELENGTH |
| Source type | SYNCHROTRON |
| Source details | APS BEAMLINE 5ID-B |
| Synchrotron site | APS |
| Beamline | 5ID-B |
| Temperature [K] | 113 |
| Detector technology | CCD |
| Collection date | 2002-04-28 |
| Detector | MARRESEARCH |
| Wavelength(s) | 1.000 |
| Spacegroup name | P 41 21 2 |
| Unit cell lengths | 141.330, 141.330, 46.021 |
| Unit cell angles | 90.00, 90.00, 90.00 |
Refinement procedure
| Resolution | 14.990 - 3.100 |
| R-factor | 0.268 |
| Rwork | 0.268 |
| R-free | 0.29100 |
| Structure solution method | MOLECULAR REPLACEMENT |
| Starting model (for MR) | 1bte |
| RMSD bond length | 0.010 |
| RMSD bond angle | 28.000 * |
| Data scaling software | SCALEPACK |
| Phasing software | BRUTE |
| Refinement software | CNS (1.1) |
Data quality characteristics
| Overall | Outer shell | |
| Low resolution limit [Å] | 15.000 * | 3.150 |
| High resolution limit [Å] | 3.100 | 3.100 |
| Rmerge | 0.083 | 0.437 |
| Total number of observations | 128261 * | |
| Number of reflections | 8815 * | |
| <I/σ(I)> | 31.1 | 5.9 |
| Completeness [%] | 97.6 * | 95.6 * |
| Redundancy | 14.5 |
Crystallization Conditions
| crystal ID | method | pH | temperature | details |
| 1 | VAPOR DIFFUSION, HANGING DROP | 7.5 * | 295 | PEG 4000, sodium chloride, hepes, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 295K |
Crystallization Reagents in Literatures
| ID | crystal ID | solution | reagent name | concentration (unit) | details |
| 1 | 1 | drop | protein | 7-10 (mg/ml) | |
| 2 | 1 | drop | HEPES | 20 (mM) | |
| 3 | 1 | drop | 150 (mM) | pH7.5 | |
| 4 | 1 | reservoir | PEG4000 | 27 (%) | |
| 5 | 1 | reservoir | 250 (mM) | ||
| 6 | 1 | reservoir | HEPES | 100 (mM) | pH7.0 |
