2A0S
Crystal structure of 6-pyruvoyl tetrahydropterin synthase (PTPS) from Plasmodium vivax at 2.2 A resolution
Experimental procedure
| Experimental method | SINGLE WAVELENGTH |
| Source type | SYNCHROTRON |
| Source details | ALS BEAMLINE 8.2.1 |
| Synchrotron site | ALS |
| Beamline | 8.2.1 |
| Temperature [K] | 100 |
| Detector technology | CCD |
| Collection date | 2005-06-05 |
| Detector | ADSC QUANTUM 4 |
| Wavelength(s) | 1.0 |
| Spacegroup name | H 3 |
| Unit cell lengths | 132.095, 132.095, 74.126 |
| Unit cell angles | 90.00, 90.00, 120.00 |
Refinement procedure
| Resolution | 50.000 - 2.200 |
| R-factor | 0.21023 |
| Rwork | 0.208 |
| R-free | 0.24575 |
| Structure solution method | MOLECULAR REPLACEMENT |
| Starting model (for MR) | 1y13 |
| RMSD bond length | 0.006 |
| RMSD bond angle | 0.905 |
| Data reduction software | MOSFLM |
| Data scaling software | CCP4 ((SCALA)) |
| Phasing software | MOLREP |
| Refinement software | REFMAC (5.2.0005) |
Data quality characteristics
| Overall | Outer shell | |
| Low resolution limit [Å] | 50.000 | 2.319 |
| High resolution limit [Å] | 2.200 | 2.200 |
| Number of reflections | 21321 | |
| <I/σ(I)> | 11.9 | 2.3 |
| Completeness [%] | 91.8 | 62.61 |
| Redundancy | 3.5 | 2.4 |
Crystallization Conditions
| crystal ID | method | pH | temperature | details |
| 1 | VAPOR DIFFUSION, SITTING DROP | 4.6 | 298 | 18% w/v PEG4000, 0.05 M Sodium Acetate pH 4.6 , VAPOR DIFFUSION, SITTING DROP, temperature 298K |
