4PB0
Structure of the Fab fragment of the anti-Francisella tularensis GroEL antibody Ab53
Experimental procedure
Experimental method | SINGLE WAVELENGTH |
Source type | ROTATING ANODE |
Source details | RIGAKU RU300 |
Temperature [K] | 93 |
Detector technology | IMAGE PLATE |
Collection date | 2013-02-11 |
Detector | RIGAKU RAXIS IV |
Wavelength(s) | 1.5418 |
Spacegroup name | P 61 2 2 |
Unit cell lengths | 151.817, 151.817, 102.766 |
Unit cell angles | 90.00, 90.00, 120.00 |
Refinement procedure
Resolution | 14.922 - 2.500 |
R-factor | 0.2139 |
Rwork | 0.210 |
R-free | 0.25170 |
Structure solution method | MOLECULAR REPLACEMENT |
RMSD bond length | 0.002 |
RMSD bond angle | 0.619 |
Data reduction software | DENZO |
Data scaling software | SCALEPACK |
Phasing software | PHASER |
Refinement software | PHENIX ((phenix.refine: 1.8.2_1309)) |
Data quality characteristics
Overall | Inner shell | Outer shell | |
Low resolution limit [Å] | 15.000 | 15.000 | 2.590 |
High resolution limit [Å] | 2.500 | 5.310 | 2.500 |
Rmerge | 0.089 | 0.045 | 0.371 |
Total number of observations | 155055 | ||
Number of reflections | 23646 | ||
<I/σ(I)> | 13.5 | ||
Completeness [%] | 96.3 | 95 | 96.1 |
Redundancy | 6.6 | 6.8 | 5.9 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | VAPOR DIFFUSION, SITTING DROP | 6.5 | 290 | Ab53 (30 mg/ml in 20 mM Tris pH 7.5, 0.15 M NaCl, and 0.02% NaN3) was mixed with the Index Screen HT reagent A4 (2 M ammonium sulfate, 0.1 M bistris, pH 6.5) in sitting drops at 17C. |