4Q6I
Crystal structure of murine 2D5 Fab, a potent anti-CD4 HIV-1-neutralizing antibody in complex with CD4
Experimental procedure
| Experimental method | SINGLE WAVELENGTH |
| Source type | SYNCHROTRON |
| Source details | APS BEAMLINE 22-BM |
| Synchrotron site | APS |
| Beamline | 22-BM |
| Temperature [K] | 100 |
| Detector technology | CCD |
| Collection date | 2009-04-02 |
| Detector | MARMOSAIC 225 mm CCD |
| Wavelength(s) | 1.0000 |
| Spacegroup name | P 4 |
| Unit cell lengths | 149.547, 149.547, 183.867 |
| Unit cell angles | 90.00, 90.00, 90.00 |
Refinement procedure
| Resolution | 29.909 - 3.650 |
| R-factor | 0.2278 |
| Rwork | 0.226 |
| R-free | 0.25710 |
| Structure solution method | MOLECULAR REPLACEMENT |
| RMSD bond length | 0.003 |
| RMSD bond angle | 0.784 |
| Data reduction software | HKL-2000 |
| Data scaling software | HKL-2000 |
| Phasing software | PHASER |
| Refinement software | PHENIX ((phenix.refine: 1.8.4_1496)) |
Data quality characteristics
| Overall | Outer shell | |
| Low resolution limit [Å] | 30.000 | 3.780 |
| High resolution limit [Å] | 3.650 | 3.650 |
| Rmerge | 0.062 | 0.404 |
| Number of reflections | 46157 | |
| <I/σ(I)> | 19.5 | 1.9 |
| Completeness [%] | 96.8 | 75.4 |
| Redundancy | 3.7 | 2.6 |
Crystallization Conditions
| crystal ID | method | pH | temperature | details |
| 1 | VAPOR DIFFUSION, HANGING DROP | 4.5 | 293 | 1.5 M (NH4)2SO4, 200 mM MgCl2, 150 mM NaCl, 100 mM NaAc pH 4.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K |
