1G9N
HIV-1 YU2 GP120 ENVELOPE GLYCOPROTEIN COMPLEXED WITH CD4 AND INDUCED NEUTRALIZING ANTIBODY 17B
Experimental procedure
Experimental method | SINGLE WAVELENGTH |
Source type | SYNCHROTRON |
Source details | NSLS BEAMLINE X4A |
Synchrotron site | NSLS |
Beamline | X4A |
Temperature [K] | 100 |
Detector technology | CCD |
Collection date | 2000-04-26 |
Detector | ADSC QUANTUM 4 |
Wavelength(s) | 0.9721 |
Spacegroup name | C 1 2 1 |
Unit cell lengths | 174.980, 81.710, 74.480 |
Unit cell angles | 90.00, 90.37, 90.00 |
Refinement procedure
Resolution | 20.000 - 2.900 |
Rwork | 0.207 |
R-free | 0.29500 |
Structure solution method | MOLECULAR REPLACEMENT |
Starting model (for MR) | 1g9m |
RMSD bond length | 0.008 |
RMSD bond angle | 25.600 * |
Data reduction software | DENZO |
Data scaling software | SCALEPACK |
Phasing software | AMoRE |
Refinement software | CNS |
Data quality characteristics
Overall | Outer shell | |
Low resolution limit [Å] | 20.000 | 3.000 |
High resolution limit [Å] | 2.900 | 2.900 |
Rmerge | 0.093 | 0.439 |
Number of reflections | 23464 | |
<I/σ(I)> | 10.38 | 2.33 |
Completeness [%] | 98.5 | 97.1 |
Redundancy | 4.37 | 3.3 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | VAPOR DIFFUSION, HANGING DROP | 5.9 | 293 | VAPOUR DIFFUSION CRYSTALLIZATION: 0.5 UL OF PROTEIN (5 MG/ML IN 0.35 M NACL, 0.005 M TRIS CL PH 7.0) + 0.35 UL OF RESERVOIR (50 UL OF NA ACETATE pH 4.5 + 250 UL OF HAMPTON CRYSTAL SCREEN REAGENT 18 + 126 UL OF ETHANOL + 292 UL OF WATER), pH 5.9, VAPOR DIFFUSION, HANGING DROP, temperature 293K |
Crystallization Reagents in Literatures
ID | crystal ID | solution | reagent name | concentration (unit) | details |
1 | 1 | drop | protein | 5 (mg/ml) | |
2 | 1 | drop | 350 (mM) | ||
3 | 1 | drop | Tris-HCl | 5 (mM) | |
4 | 1 | reservoir | sodium acetate | 0.5 (M) | 50 micro litter |
5 | 1 | reservoir | ethanol | 95 (%) | 126 micro litter |
6 | 1 | reservoir | 5 (M) | 45 micro litter |