3WEJ
Crystal structure of the human squalene synthase F288A mutant in complex with presqualene pyrophosphate
Experimental procedure
Experimental method | SINGLE WAVELENGTH |
Source type | SYNCHROTRON |
Source details | NSRRC BEAMLINE BL13B1 |
Synchrotron site | NSRRC |
Beamline | BL13B1 |
Temperature [K] | 100 |
Detector technology | CCD |
Collection date | 2008-11-18 |
Detector | ADSC QUANTUM 315r |
Wavelength(s) | 1.00000 |
Spacegroup name | P 21 21 21 |
Unit cell lengths | 35.714, 94.503, 105.314 |
Unit cell angles | 90.00, 90.00, 90.00 |
Refinement procedure
Resolution | 25.040 - 2.000 |
R-factor | 0.21115 |
Rwork | 0.208 |
R-free | 0.27580 |
Structure solution method | MOLECULAR REPLACEMENT |
Starting model (for MR) | 3vj8 |
RMSD bond length | 0.007 |
RMSD bond angle | 1.419 |
Data reduction software | HKL-2000 |
Data scaling software | HKL-2000 |
Phasing software | MOLREP |
Refinement software | REFMAC (5.5.0109) |
Data quality characteristics
Overall | Outer shell | |
Low resolution limit [Å] | 30.000 | 2.070 |
High resolution limit [Å] | 2.000 | 2.000 |
Rmerge | 0.092 | 0.520 |
Number of reflections | 24564 | |
<I/σ(I)> | 18.5 | 3 |
Completeness [%] | 99.4 | 99.6 |
Redundancy | 4.6 | 4.4 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | VAPOR DIFFUSION, HANGING DROP | 8.5 | 298 | 20% PEG 2000 MME, 0.01 M NiCl2, 0.1M Tris, 1mM presqualene pyrophosphate, 1mM MgCl2, pH 8.5, VAPOR DIFFUSION, HANGING DROP, temperature 298K |