2VPF
VASCULAR ENDOTHELIAL GROWTH FACTOR REFINED TO 1.93 ANGSTROMS RESOLUTION
Experimental procedure
Source type | SYNCHROTRON |
Source details | CHESS BEAMLINE F1 |
Synchrotron site | CHESS |
Beamline | F1 |
Temperature [K] | 100 |
Detector technology | CCD |
Collection date | 1996-03 |
Detector | PRINCETON 2K |
Spacegroup name | P 1 |
Unit cell lengths | 45.470, 68.470, 85.820 |
Unit cell angles | 105.44, 93.71, 101.49 |
Refinement procedure
Resolution | 16.000 - 1.930 |
R-factor | 0.209 * |
Rwork | 0.209 |
R-free | 0.27200 |
Structure solution method | MOLECULAR REPLACEMENT |
Starting model (for MR) | 1vpf |
RMSD bond length | 0.011 |
RMSD bond angle | 0.030 |
Data reduction software | DENZO |
Data scaling software | SCALEPACK |
Phasing software | X-PLOR |
Refinement software | REFMAC |
Data quality characteristics
Overall | Outer shell | |
Low resolution limit [Å] | 20.000 | 2.000 |
High resolution limit [Å] | 1.900 | 1.900 |
Rmerge | 0.044 | 0.127 * |
Total number of observations | 180803 * | |
Number of reflections | 72050 | |
<I/σ(I)> | 9.4 | |
Completeness [%] | 94.0 | 81 * |
Redundancy | 2.5 | 1.5 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | Vapor diffusion, sitting drop * | 7.5 * | HANGING DROP, CRYSTALLIZED FROM 14 % PEG3350, 10% ISOPROPANOL, 0.2 M AMMONIUM ACETATE PH 5.6, vapor diffusion - hanging drop |
Crystallization Reagents in Literatures
ID | crystal ID | solution | reagent name | concentration (unit) | details |
1 | 1 | drop | protein | 15 (mg/ml) | |
2 | 1 | drop | Tris-HCl | 20 (mM) | |
3 | 1 | drop | 0.4 (M) | ||
4 | 1 | reservoir | PEG3350 | 14 (%) | |
5 | 1 | reservoir | isopropanol | 10 (%) | |
6 | 1 | reservoir | ammonium sulfate | 0.2 (M) |