2PSS
The structure of Plasmodium falciparum spermidine synthase in its apo-form
Experimental procedure
Experimental method | SINGLE WAVELENGTH |
Source type | SYNCHROTRON |
Source details | MAX II BEAMLINE I911-2 |
Synchrotron site | MAX II |
Beamline | I911-2 |
Temperature [K] | 100 |
Detector technology | IMAGE PLATE |
Collection date | 2006-11-28 |
Detector | MAR scanner 345 mm plate |
Wavelength(s) | 1.043 |
Spacegroup name | C 1 2 1 |
Unit cell lengths | 195.630, 134.180, 48.420 |
Unit cell angles | 90.00, 94.07, 90.00 |
Refinement procedure
Resolution | 19.750 - 2.200 |
R-factor | 0.20721 |
Rwork | 0.205 |
R-free | 0.24728 |
Structure solution method | MOLECULAR REPLACEMENT |
Starting model (for MR) | 2i7c |
RMSD bond length | 0.013 |
RMSD bond angle | 1.366 |
Data reduction software | DENZO |
Data scaling software | SCALEPACK |
Phasing software | MLPHARE |
Refinement software | REFMAC (5.2.0019) |
Data quality characteristics
Overall | Outer shell | |
Low resolution limit [Å] | 20.000 | 2.256 |
High resolution limit [Å] | 2.200 | 2.200 |
Rmerge | 0.780 | 0.264 |
Number of reflections | 59477 | |
<I/σ(I)> | 11.59 | 5.4 |
Completeness [%] | 94.3 | 93 |
Redundancy | 2.26 | 2.24 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | VAPOR DIFFUSION, SITTING DROP | 5.6 | 288 | 23% w/v PEG 3350, 0.1M Ammonium Sulphate, 0.1M Bis-Tris, pH 5.6, VAPOR DIFFUSION, SITTING DROP, temperature 288K |