2J80
Structure of Citrate-bound Periplasmic Domain of Sensor Histidine Kinase CitA
Experimental procedure
| Experimental method | MAD |
| Source type | SYNCHROTRON |
| Source details | MPG/DESY, HAMBURG BEAMLINE BW6 |
| Synchrotron site | MPG/DESY, HAMBURG |
| Beamline | BW6 |
| Temperature [K] | 100 |
| Detector technology | CCD |
| Collection date | 2006-08-08 |
| Detector | MARRESEARCH |
| Spacegroup name | P 21 21 21 |
| Unit cell lengths | 53.210, 54.790, 116.330 |
| Unit cell angles | 90.00, 90.00, 90.00 |
Refinement procedure
| Resolution | 30.000 - 1.600 |
| R-factor | 0.194 |
| Rwork | 0.193 |
| R-free | 0.21700 |
| Structure solution method | MAD |
| Starting model (for MR) | NONE |
| RMSD bond length | 0.025 |
| RMSD bond angle | 1.498 |
| Data reduction software | DENZO |
| Data scaling software | SCALEPACK |
| Phasing software | SHELXCD |
| Refinement software | REFMAC (5.2.0005) |
Data quality characteristics
| Overall | Outer shell | |
| Low resolution limit [Å] | 30.000 | 1.700 |
| High resolution limit [Å] | 1.600 | 1.600 |
| Rmerge | 0.050 | 0.440 |
| Number of reflections | 44151 | |
| <I/σ(I)> | 15.01 | |
| Completeness [%] | 96.5 | 96.8 |
| Redundancy | 4.71 | 4.68 |
Crystallization Conditions
| crystal ID | method | pH | temperature | details |
| 1 | VAPOR DIFFUSION, HANGING DROP | 7.5 | 293 | HANGING DROP,VAPOUR DIFFUSION, RESERVOIR:0.1M HEPES,PH 7.5,1.6M (NH4)2SO4, 5MM NA.CITRATE, PROTEIN SOLUTION: 20 MG/ML,MIXING RATIO 1:1, TEMPERATURE 293K |
