1RQK
Structure of the reaction centre from Rhodobacter sphaeroides carotenoidless strain R-26.1 reconstituted with 3,4-dihydrospheroidene
Experimental procedure
| Experimental method | SINGLE WAVELENGTH |
| Source type | ROTATING ANODE |
| Source details | ENRAF-NONIUS FR591 |
| Temperature [K] | 298 |
| Detector technology | IMAGE PLATE |
| Collection date | 2001-12-20 |
| Detector | MAC Science DIP-2020 |
| Spacegroup name | P 31 2 1 |
| Unit cell lengths | 141.718, 141.718, 187.179 |
| Unit cell angles | 90.00, 90.00, 120.00 |
Refinement procedure
| Resolution | 15.285 - 2.700 |
| R-factor | 0.16356 |
| Rwork | 0.162 |
| R-free | 0.19437 |
| Structure solution method | MOLECULAR REPLACEMENT |
| RMSD bond length | 0.016 |
| RMSD bond angle | 1.681 |
| Data reduction software | DENZO |
| Data scaling software | SCALEPACK |
| Phasing software | AMoRE |
| Refinement software | REFMAC (5.1.9999) |
Data quality characteristics
| Overall | Outer shell | |
| Low resolution limit [Å] | 15.285 | 2.750 |
| High resolution limit [Å] | 2.700 | 2.700 |
| Rmerge | 0.107 | 0.786 |
| Number of reflections | 57635 | |
| <I/σ(I)> | 7.3 | 1.5 |
| Completeness [%] | 96.2 | 95.1 |
| Redundancy | 2.1 | 2 |
Crystallization Conditions
| crystal ID | method | pH | temperature | details |
| 1 | VAPOR DIFFUSION, SITTING DROP | 8 | 289 | Trisodium citrate, LDAO, 1,2,3-heptanetriol, Tris-HCl , pH 8.0, VAPOR DIFFUSION, SITTING DROP, temperature 16.0K |
