2CH7
Crystal structure of the cytoplasmic domain of a bacterial chemoreceptor from Thermotoga maritima
Experimental procedure
Experimental method | MAD |
Source type | SYNCHROTRON |
Source details | NSLS BEAMLINE X25 |
Synchrotron site | NSLS |
Beamline | X25 |
Temperature [K] | 100 |
Detector technology | CCD |
Collection date | 2004-07-22 |
Detector | ADSC CCD |
Spacegroup name | P 1 21 1 |
Unit cell lengths | 24.600, 99.400, 117.200 |
Unit cell angles | 90.00, 90.50, 90.00 |
Refinement procedure
Resolution | 30.000 - 2.500 |
R-factor | 0.2587 |
Rwork | 0.259 |
R-free | 0.29710 |
Structure solution method | MAD |
RMSD bond length | 0.009 |
RMSD bond angle | 1.300 |
Data reduction software | HKL-2000 |
Data scaling software | SCALEPACK |
Phasing software | SOLVE |
Refinement software | CNS (1.1) |
Data quality characteristics
Overall | Outer shell | |
Low resolution limit [Å] | 30.000 | 2.600 |
High resolution limit [Å] | 2.500 | 2.500 |
Rmerge | 0.100 | 0.490 |
Number of reflections | 29602 | |
<I/σ(I)> | 21 | 3 |
Completeness [%] | 99.6 | 98.4 |
Redundancy | 7 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | 2.2-2.6 M 1,6-HEXANEDIOL, 0.1 M NA ACETATE PH 4.5, 2-5 % ETHANOL OR ISOPROPANOL, 1 MM TRIMETHYL LEAD ACETATE |