3GIZ
Crystal structure of the Fab fragment of anti-CD20 antibody Ofatumumab
Experimental procedure
Experimental method | SINGLE WAVELENGTH |
Source type | ROTATING ANODE |
Source details | RIGAKU |
Temperature [K] | 100 |
Detector technology | IMAGE PLATE |
Collection date | 2008-06-27 |
Detector | RIGAKU RAXIS IV++ |
Wavelength(s) | 1.5418 |
Spacegroup name | C 1 2 1 |
Unit cell lengths | 136.330, 55.944, 79.780 |
Unit cell angles | 90.00, 122.17, 90.00 |
Refinement procedure
Resolution | 20.000 - 2.200 |
R-factor | 0.19752 |
Rwork | 0.195 |
R-free | 0.24957 |
Structure solution method | MOLECULAR REPLACEMENT |
Starting model (for MR) | 1u6a |
RMSD bond length | 0.011 |
RMSD bond angle | 1.375 |
Data reduction software | CrystalClear |
Data scaling software | CrystalClear |
Phasing software | PHASER |
Refinement software | REFMAC (5.2.0019) |
Data quality characteristics
Overall | Outer shell | |
Low resolution limit [Å] | 20.000 | 2.280 |
High resolution limit [Å] | 2.200 | 2.200 |
Rmerge | 0.083 | 0.325 |
Number of reflections | 26051 | |
<I/σ(I)> | 7 | 2.1 |
Completeness [%] | 99.4 | 99.4 |
Redundancy | 5.1 | 4.8 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | VAPOR DIFFUSION, HANGING DROP | 6.3 | 277 | 0.2 M zinc acetate, 20% PEG3350, pH 6.3, VAPOR DIFFUSION, HANGING DROP, temperature 277K |