3QFI
X-ray crystal structure of transcriptional regulator (EF0465) from Enterococcus faecalis, Northeast Structural Genomics Consortium Target EfR190
Experimental procedure
Experimental method | SINGLE WAVELENGTH |
Source type | SYNCHROTRON |
Source details | NSLS BEAMLINE X4C |
Synchrotron site | NSLS |
Beamline | X4C |
Temperature [K] | 100 |
Detector technology | CCD |
Collection date | 2010-06-04 |
Detector | MAR CCD 165 mm |
Wavelength(s) | 0.97877 |
Spacegroup name | P 21 21 21 |
Unit cell lengths | 47.214, 54.543, 99.553 |
Unit cell angles | 90.00, 90.00, 90.00 |
Refinement procedure
Resolution | 19.870 - 2.710 |
R-factor | 0.201 |
Rwork | 0.201 |
R-free | 0.26400 |
Structure solution method | MOLECULAR REPLACEMENT |
Starting model (for MR) | 3okz |
RMSD bond length | 0.008 |
RMSD bond angle | 1.100 |
Data reduction software | HKL-2000 |
Data scaling software | SCALEPACK |
Refinement software | CNS (1.2 & Xtalview) |
Data quality characteristics
Overall | Outer shell | |
Low resolution limit [Å] | 30.000 | 2.800 |
High resolution limit [Å] | 2.700 | 2.700 |
Rmerge | 0.074 | 0.109 |
Number of reflections | 6316 | |
<I/σ(I)> | 14.88 | 4.3 |
Completeness [%] | 85.4 | 65.3 |
Redundancy | 4.3 | 2.3 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | microbatch under oil method | 7.5 | 277 | Protein solution: 10 mM Tris (pH 7.5), 100 mM sodium chloride, and 5 mM DTT, Precipitation solution: 0.1M HEPES (pH 7.5), 40% PEG400, and 0.1M calcium acetate, microbatch under oil method, temperature 277K |