3ZK7
CRYSTAL STRUCTURE OF PNEUMOCOCCAL SURFACE ANTIGEN PSAA IN THE METAL-FREE, OPEN STATE
Experimental procedure
| Experimental method | SINGLE WAVELENGTH |
| Source type | SYNCHROTRON |
| Source details | AUSTRALIAN SYNCHROTRON BEAMLINE MX2 |
| Synchrotron site | Australian Synchrotron |
| Beamline | MX2 |
| Temperature [K] | 100 |
| Detector technology | CCD |
| Detector | ADSC CCD |
| Spacegroup name | P 1 |
| Unit cell lengths | 40.940, 59.910, 62.630 |
| Unit cell angles | 107.02, 103.90, 96.96 |
Refinement procedure
| Resolution | 17.040 - 1.690 |
| R-factor | 0.1629 |
| Rwork | 0.161 |
| R-free | 0.19210 |
| Structure solution method | MOLECULAR REPLACEMENT |
| Starting model (for MR) | 1psz |
| RMSD bond length | 0.010 |
| RMSD bond angle | 1.050 |
| Data reduction software | XDS |
| Data scaling software | Aimless |
| Phasing software | PHASER |
| Refinement software | BUSTER (2.10.0) |
Data quality characteristics
| Overall | Outer shell | |
| Low resolution limit [Å] | 17.000 | 1.730 |
| High resolution limit [Å] | 1.690 | 1.690 |
| Rmerge | 0.050 | 0.740 |
| Number of reflections | 57796 | |
| <I/σ(I)> | 14.7 | 1.6 |
| Completeness [%] | 96.3 | 86.6 |
| Redundancy | 3.9 | 3.5 |
Crystallization Conditions
| crystal ID | method | pH | temperature | details |
| 1 | 293 | 12.5% W/V PEG 1,000 12.5% W/V PEG 3,350, 12.5% V/V MPD; 0.1 M TRIZMA/BICINE PH 8.7 AFTER 7-10 DAYS AT 293 K, FOLLOWING STREAK-SEEDING OF PRE-EQUILIBRATED (24 HOURS) DROPS |
