1W6P
X-RAY CRYSTAL STRUCTURE OF C2S HUMAN GALECTIN-1 COMPLEXED WITH N- Acetyl-LACTOSAMINE
Experimental procedure
Experimental method | SINGLE WAVELENGTH |
Source type | SYNCHROTRON |
Source details | EMBL/DESY, HAMBURG BEAMLINE X11 |
Synchrotron site | EMBL/DESY, HAMBURG |
Beamline | X11 |
Temperature [K] | 100 |
Detector technology | CCD |
Detector | MARRESEARCH |
Spacegroup name | P 21 21 21 |
Unit cell lengths | 36.760, 88.100, 93.900 |
Unit cell angles | 90.00, 90.00, 90.00 |
Refinement procedure
Resolution | 28.220 - 1.800 |
R-factor | 0.216 |
Rwork | 0.216 |
R-free | 0.23800 |
Structure solution method | MOLECULAR REPLACEMENT |
Starting model (for MR) | 1gzw |
RMSD bond length | 0.010 |
RMSD bond angle | 1.400 |
Data reduction software | MOSFLM |
Data scaling software | SCALA |
Phasing software | AMoRE |
Refinement software | CNS (1.1) |
Data quality characteristics
Overall | Outer shell | |
Low resolution limit [Å] | 30.000 | 1.910 |
High resolution limit [Å] | 1.800 | 1.800 |
Rmerge | 0.040 | 0.200 |
Number of reflections | 29125 | |
<I/σ(I)> | 12.9 | 5.6 |
Completeness [%] | 99.9 | 99.8 |
Redundancy | 5.1 | 3.8 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | VAPOR DIFFUSION, SITTING DROP | 5.6 | CRYSTALS WERE OBTAINED IN SITTING DROPS BY MIXING EQUAL VOLUMES OF THE PROTEIN SOLUTION (10 MG/ML) AND THE PRECIPITATING BUFFER(2M AMMONIUM SULPHATE AND 1% BETA-MERCAPTO ETHANOL,PH 5.6). THE LACTOSE COMPLEX WAS OBTAINED BY SOAKING C2S CRYSTALS FOR 72H IN THE MOTHER LIQUOR SUPPLEMENTED WITH 10 MM OF LACTOSE |