3LK7
The Crystal Structure of UDP-N-acetylmuramoylalanine-D-glutamate (MurD) ligase from Streptococcus agalactiae to 1.5A
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 | 2009-07-07 |
Detector | ADSC QUANTUM 315 |
Wavelength(s) | 0.9794 |
Spacegroup name | C 1 2 1 |
Unit cell lengths | 161.539, 65.045, 52.889 |
Unit cell angles | 90.00, 107.52, 90.00 |
Refinement procedure
Resolution | 50.000 - 1.500 |
R-factor | 0.188 |
Rwork | 0.187 |
R-free | 0.20800 |
RMSD bond length | 0.011 |
RMSD bond angle | 1.342 |
Data reduction software | DENZO |
Data scaling software | SCALEPACK |
Phasing software | SHELX |
Refinement software | REFMAC (refmac_5.5.0102) |
Data quality characteristics
Overall | Inner shell | Outer shell | |
Low resolution limit [Å] | 50.000 | 50.000 | 1.550 |
High resolution limit [Å] | 1.500 | 3.230 | 1.500 |
Rmerge | 0.084 | 0.065 | 0.473 |
Number of reflections | 83028 | ||
<I/σ(I)> | 9.7 | ||
Completeness [%] | 99.5 | 96.3 | 99.4 |
Redundancy | 3.7 | 3.5 | 3.7 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | VAPOR DIFFUSION, SITTING DROP | 8.5 | 277 | 25% PEG 3350, 0.1M Tris pH 8.5, 0.2M Ammonium sulfate, VAPOR DIFFUSION, SITTING DROP, temperature 277K |