4NGH
Crystal structure of the HIV-1 neutralizing antibody 4E10 Fab fragment in complex with a hydrocarbon-stapled peptide containing the 4e10 epitope on gp41 and a tethered phosphate moiety.
Experimental procedure
Experimental method | SINGLE WAVELENGTH |
Source type | SYNCHROTRON |
Source details | APS BEAMLINE 23-ID-B |
Synchrotron site | APS |
Beamline | 23-ID-B |
Temperature [K] | 110 |
Detector technology | CCD |
Collection date | 2011-12-10 |
Detector | MARMOSAIC 300 mm CCD |
Wavelength(s) | 1.0000 |
Spacegroup name | P 61 2 2 |
Unit cell lengths | 226.510, 226.510, 42.330 |
Unit cell angles | 90.00, 90.00, 120.00 |
Refinement procedure
Resolution | 49.040 - 2.680 |
R-factor | 0.1718 |
Rwork | 0.169 |
R-free | 0.22280 |
Structure solution method | MOLECULAR REPLACEMENT |
Starting model (for MR) | 2fx7 |
RMSD bond length | 0.010 |
RMSD bond angle | 1.349 |
Data reduction software | XDS |
Data scaling software | XDS |
Phasing software | PHASER |
Refinement software | PHENIX ((phenix.refine: 1.7.2_869)) |
Data quality characteristics
Overall | Outer shell | |
Low resolution limit [Å] | 49.040 | 2.750 |
High resolution limit [Å] | 2.680 | 2.680 |
Number of reflections | 18587 | |
<I/σ(I)> | 28 | 5.6 |
Completeness [%] | 99.9 | 100 |
Redundancy | 20.7 | 20.3 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | VAPOR DIFFUSION, SITTING DROP | 5.5 | 295 | Reservoir solution:0.2 M MgCl2, 0.1 M MES pH5.5, 40% PEG 400, VAPOR DIFFUSION, SITTING DROP, temperature 295K |