1SQ1
Crystal Structure of the Chorismate Synthase from Campylobacter jejuni, Northeast Structural Genomics Target BR19
Experimental procedure
Experimental method | SINGLE WAVELENGTH |
Source type | SYNCHROTRON |
Source details | NSLS BEAMLINE X4A |
Synchrotron site | NSLS |
Beamline | X4A |
Temperature [K] | 100 |
Detector technology | CCD |
Collection date | 2004-01-30 |
Detector | ADSC QUANTUM 4 |
Wavelength(s) | 0.97914 |
Spacegroup name | I 41 2 2 |
Unit cell lengths | 73.600, 73.600, 338.559 |
Unit cell angles | 90.00, 90.00, 90.00 |
Refinement procedure
Resolution | 29.600 - 2.800 |
R-factor | 0.224 |
Rwork | 0.224 |
R-free | 0.27900 |
Structure solution method | SAD |
RMSD bond length | 0.008 |
RMSD bond angle | 1.200 |
Data reduction software | DENZO |
Data scaling software | SCALEPACK |
Phasing software | SnB |
Refinement software | CNS |
Data quality characteristics
Overall | Outer shell | |
Low resolution limit [Å] | 29.600 | 2.900 |
High resolution limit [Å] | 2.800 | 2.800 |
Rmerge | 0.061 | 0.188 |
Number of reflections | 21612 | |
<I/σ(I)> | 22.4 | 6 |
Completeness [%] | 98.9 | 98.3 |
Redundancy | 6.6 | 5.1 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | VAPOR DIFFUSION, HANGING DROP | 277 | Protein solution: 10mM Tris (pH 7.5), 5mM DTT, 100mM NaCl. Well solution: 50mM NaAcetate (pH 4.6), 1M ammonium sulfate, 10mM DTT, 25mM octanoylsucrose, VAPOR DIFFUSION, HANGING DROP, temperature 277K |