3PP3
Epitope characterization and crystal structure of GA101 provide insights into the molecular basis for the type I / type II distinction of anti- CD20 antibodies
Experimental procedure
Experimental method | SINGLE WAVELENGTH |
Source type | SYNCHROTRON |
Source details | ESRF BEAMLINE ID23-1 |
Synchrotron site | ESRF |
Beamline | ID23-1 |
Temperature [K] | 100 |
Detector technology | CCD |
Collection date | 2008-06-27 |
Detector | MARMOSAIC 225 mm CCD |
Wavelength(s) | 0.9724 |
Spacegroup name | C 1 2 1 |
Unit cell lengths | 273.140, 38.038, 90.220 |
Unit cell angles | 90.00, 98.89, 90.00 |
Refinement procedure
Resolution | 25.000 - 2.508 |
R-factor | 0.21 |
Rwork | 0.206 |
R-free | 0.26930 |
Structure solution method | MOLECULAR REPLACEMENT |
Starting model (for MR) | 1t04 |
RMSD bond length | 0.003 |
RMSD bond angle | 0.668 |
Data reduction software | XDS |
Data scaling software | XDS |
Phasing software | PHASER |
Refinement software | PHENIX ((phenix.refine: 1.6.4_486)) |
Data quality characteristics
Overall | Outer shell | |
Low resolution limit [Å] | 50.000 | 2.660 |
High resolution limit [Å] | 2.500 | 2.500 |
Rmerge | 0.105 | 0.418 |
Number of reflections | 31465 | |
<I/σ(I)> | 12.42 | 3.6 |
Completeness [%] | 97.6 | 93.1 |
Redundancy | 3.3 | 2.8 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | VAPOR DIFFUSION, HANGING DROP | 7.5 | 293 | 0.1 M HEPES pH 7.5, 24% (w/v) PEG4000, 0.15 M ammonium sulfate, VAPOR DIFFUSION, HANGING DROP, temperature 293K |