5B3A
Crystal Structure of O-Phoshoserine Sulfhydrylase from Aeropyrum pernix in Complexed with the alpha-Aminoacrylate Intermediate
Experimental procedure
Experimental method | SINGLE WAVELENGTH |
Source type | SYNCHROTRON |
Source details | SPRING-8 BEAMLINE BL44XU |
Synchrotron site | SPring-8 |
Beamline | BL44XU |
Temperature [K] | 80 |
Detector technology | CCD |
Collection date | 2009-11-24 |
Detector | Bruker DIP-6040 |
Wavelength(s) | 0.9 |
Spacegroup name | P 43 21 2 |
Unit cell lengths | 74.151, 74.151, 275.961 |
Unit cell angles | 90.00, 90.00, 90.00 |
Refinement procedure
Resolution | 32.920 - 2.140 |
R-factor | 0.14471 |
Rwork | 0.142 |
R-free | 0.20284 |
Structure solution method | FOURIER SYNTHESIS |
Starting model (for MR) | CysO free form (PDB ID 3VSA) |
RMSD bond length | 0.017 |
RMSD bond angle | 1.941 |
Data scaling software | HKL-2000 |
Refinement software | REFMAC (5.8.0049) |
Data quality characteristics
Overall | Outer shell | |
Low resolution limit [Å] | 32.920 | 2.180 |
High resolution limit [Å] | 2.140 | 2.140 |
Number of reflections | 40639 | |
<I/σ(I)> | 59.8 | |
Completeness [%] | 98.0 | |
Redundancy | 10 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | VAPOR DIFFUSION, HANGING DROP | 7.5 | 296 | 0.1 M HEPES sodium pH 7.5, 27% 2-propanol, 12% PEG4000, 12 mM TCEP-HCl, the crystal was soaked with the reservoir solution containing 5% MPD as a cryoprotectant, 20 mM O-phospho-L-serine (OPS) and 12 mM TCEP-HCl |