6RF0
Crystal structure of the light-driven sodium pump KR2 in the pentameric "dry" form
Experimental procedure
| Experimental method | SINGLE WAVELENGTH |
| Source type | SYNCHROTRON |
| Source details | ESRF BEAMLINE ID30B |
| Synchrotron site | ESRF |
| Beamline | ID30B |
| Temperature [K] | 100 |
| Detector technology | PIXEL |
| Collection date | 2017-10-03 |
| Detector | DECTRIS EIGER X 4M |
| Wavelength(s) | 0.976 |
| Spacegroup name | C 2 2 21 |
| Unit cell lengths | 128.184, 239.719, 131.909 |
| Unit cell angles | 90.00, 90.00, 90.00 |
Refinement procedure
| Resolution | 47.320 - 3.000 |
| R-factor | 0.2184 |
| Rwork | 0.217 |
| R-free | 0.25190 |
| Structure solution method | MOLECULAR REPLACEMENT |
| Starting model (for MR) | 4xto |
| RMSD bond length | 0.003 |
| RMSD bond angle | 0.590 |
| Data reduction software | XDS |
| Data scaling software | Aimless (0.5.32) |
| Phasing software | MOLREP |
| Refinement software | REFMAC (5.8.0222) |
Data quality characteristics
| Overall | Inner shell | Outer shell | |
| Low resolution limit [Å] | 47.280 | 47.280 | 3.120 |
| High resolution limit [Å] | 3.000 | 10.820 | 3.000 |
| Rmerge | 0.304 | 0.062 | 1.475 |
| Rmeas | 0.330 | 0.070 | 1.601 |
| Rpim | 0.127 | 0.031 | 0.618 |
| Total number of observations | 271542 | 5194 | 30218 |
| Number of reflections | 41018 | 955 | 4562 |
| <I/σ(I)> | 5.7 | 16.9 | 1.4 |
| Completeness [%] | 99.9 | 98.5 | 100 |
| Redundancy | 6.6 | 5.4 | 6.6 |
| CC(1/2) | 0.989 | 0.996 | 0.662 |
Crystallization Conditions
| crystal ID | method | pH | temperature | details |
| 1 | LIPIDIC CUBIC PHASE | 293 | 3.4 M Sodium Malonate pH 8.0 |
