2G5R
Crystal structure of Siglec-7 in complex with methyl-9-(aminooxalyl-amino)-9-deoxyNeu5Ac (oxamido-Neu5Ac)
Experimental procedure
Experimental method | SINGLE WAVELENGTH |
Source type | SYNCHROTRON |
Source details | ESRF BEAMLINE ID14-4 |
Synchrotron site | ESRF |
Beamline | ID14-4 |
Temperature [K] | 100 |
Detector technology | CCD |
Collection date | 2003-02-02 |
Detector | ADSC QUANTUM 4 |
Wavelength(s) | 0.933 |
Spacegroup name | P 41 21 2 |
Unit cell lengths | 52.928, 52.928, 93.236 |
Unit cell angles | 90.00, 90.00, 90.00 |
Refinement procedure
Resolution | 25.000 - 1.600 |
R-factor | 0.214 |
Rwork | 0.213 |
R-free | 0.22800 |
Structure solution method | MOLECULAR REPLACEMENT |
Starting model (for MR) | Siglec-7 APO 1o7s |
RMSD bond length | 0.015 |
RMSD bond angle | 1.347 |
Data reduction software | HKL-2000 |
Data scaling software | SCALEPACK |
Phasing software | AMoRE |
Refinement software | REFMAC (5.1.24) |
Data quality characteristics
Overall | Outer shell | |
Low resolution limit [Å] | 25.000 | 1.660 |
High resolution limit [Å] | 1.600 | 1.600 |
Rmerge | 0.043 | 0.338 |
Number of reflections | 17748 | |
<I/σ(I)> | 21.5 | 2 |
Completeness [%] | 97.5 | 78.9 |
Redundancy | 4.2 | 2.2 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | VAPOR DIFFUSION, SITTING DROP | 4.6 | 293 | 30% PEG 4000, 0.1M sodium acetate, pH 4.6, 0.2M ammonium acetate, VAPOR DIFFUSION, SITTING DROP, temperature 293K |