2QSQ
Crystal structure of the N-terminal domain of carcinoembryonic antigen (CEA)
Experimental procedure
Experimental method | SINGLE WAVELENGTH |
Source type | SYNCHROTRON |
Source details | ALS BEAMLINE 5.0.1 |
Synchrotron site | ALS |
Beamline | 5.0.1 |
Temperature [K] | 100 |
Detector technology | CCD |
Collection date | 2006-04-15 |
Detector | MARRESEARCH |
Wavelength(s) | 1.00 |
Spacegroup name | H 3 |
Unit cell lengths | 132.531, 132.531, 82.762 |
Unit cell angles | 90.00, 90.00, 120.00 |
Refinement procedure
Resolution | 10.000 - 1.950 |
R-factor | 0.181 |
Rwork | 0.180 |
R-free | 0.20300 |
RMSD bond length | 0.013 |
RMSD bond angle | 1.340 |
Data reduction software | DENZO |
Data scaling software | SCALEPACK |
Phasing software | MOLREP |
Refinement software | REFMAC |
Data quality characteristics
Overall | Outer shell | |
Low resolution limit [Å] | 50.000 | 2.020 |
High resolution limit [Å] | 1.950 | 1.950 |
Rmerge | 0.094 | 0.802 |
Number of reflections | 38912 | |
<I/σ(I)> | 15 | 1 |
Completeness [%] | 97.8 | 83.4 |
Redundancy | 4.4 | 2.5 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | VAPOR DIFFUSION | 7 | 277 | 3.0 M NaCl, 100 mM Tris-HCl pH 7.0, temperature 277K, VAPOR DIFFUSION |