3N2A
Crystal structure of bifunctional folylpolyglutamate synthase/dihydrofolate synthase from Yersinia pestis CO92
Experimental procedure
Experimental method | SINGLE WAVELENGTH |
Source type | SYNCHROTRON |
Source details | APS BEAMLINE 19-ID |
Synchrotron site | APS |
Beamline | 19-ID |
Temperature [K] | 100 |
Detector technology | CCD |
Collection date | 2010-01-20 |
Detector | ADSC QUANTUM 315r |
Wavelength(s) | 0.9794 |
Spacegroup name | P 21 21 21 |
Unit cell lengths | 60.853, 78.791, 124.585 |
Unit cell angles | 90.00, 90.00, 90.00 |
Refinement procedure
Resolution | 40.000 - 1.900 |
R-factor | 0.17736 |
Rwork | 0.176 |
R-free | 0.20238 |
Structure solution method | MOLECULAR REPLACEMENT |
Starting model (for MR) | 1w7k |
RMSD bond length | 0.015 |
RMSD bond angle | 1.447 |
Data reduction software | HKL-3000 |
Data scaling software | HKL-3000 |
Phasing software | MOLREP |
Refinement software | REFMAC (5.5.0109) |
Data quality characteristics
Overall | Outer shell | |
Low resolution limit [Å] | 40.000 | 1.930 |
High resolution limit [Å] | 1.900 | 1.900 |
Rmerge | 0.061 | 0.610 |
Number of reflections | 48106 | |
<I/σ(I)> | 33.7 | 3.6 |
Completeness [%] | 99.8 | 100 |
Redundancy | 8.5 | 8.6 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | VAPOR DIFFUSION, SITTING DROP | 7 | 291 | 0.2 M Magnesium formate 20% Peg 3350 15 % glycerol, pH 7.0, VAPOR DIFFUSION, SITTING DROP, temperature 291K |