3QFH
2.05 Angstrom Resolution Crystal Structure of Epidermin Leader Peptide Processing Serine Protease (EpiP) from Staphylococcus aureus.
Experimental procedure
Experimental method | SINGLE WAVELENGTH |
Source type | SYNCHROTRON |
Source details | APS BEAMLINE 21-ID-F |
Synchrotron site | APS |
Beamline | 21-ID-F |
Temperature [K] | 100 |
Detector technology | CCD |
Collection date | 2010-11-14 |
Detector | MARMOSAIC 225 mm CCD |
Wavelength(s) | 0.97872 |
Spacegroup name | P 1 |
Unit cell lengths | 85.505, 94.696, 122.999 |
Unit cell angles | 89.98, 90.37, 116.79 |
Refinement procedure
Resolution | 29.690 - 2.050 |
R-factor | 0.1718 |
Rwork | 0.170 |
R-free | 0.21596 |
Structure solution method | MOLECULAR REPLACEMENT |
Starting model (for MR) | 1thm |
RMSD bond length | 0.011 |
RMSD bond angle | 1.353 |
Data reduction software | HKL-3000 |
Data scaling software | HKL-3000 |
Phasing software | PHASER |
Refinement software | REFMAC (5.5.0102) |
Data quality characteristics
Overall | Outer shell | |
Low resolution limit [Å] | 30.000 | 2.090 |
High resolution limit [Å] | 2.050 | 2.050 |
Rmerge | 0.047 | 0.354 |
Number of reflections | 219399 | |
<I/σ(I)> | 15 | 2.1 |
Completeness [%] | 97.9 | 97 |
Redundancy | 2 | 2 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | VAPOR DIFFUSION, SITTING DROP | 5.5 | 295 | Protein: 7mg/mL, ?M Sodium cloride, Tris-HCl (pH 8.3), Screen: GCSG+ (H9), 0.2M Lithium sulfate, 0.1M Bis-Tris pH 5.5, 25% (w/v) PEG 3350, VAPOR DIFFUSION, SITTING DROP, temperature 295K |