2POK
Crystal structure of a M20 family metallo peptidase from Streptococcus pneumoniae
Experimental procedure
Experimental method | SINGLE WAVELENGTH |
Source type | SYNCHROTRON |
Source details | APS BEAMLINE 23-ID-D |
Synchrotron site | APS |
Beamline | 23-ID-D |
Temperature [K] | 100 |
Detector technology | CCD |
Collection date | 2006-07-21 |
Detector | MARMOSAIC 300 mm CCD |
Wavelength(s) | 1.0000 |
Spacegroup name | P 21 21 21 |
Unit cell lengths | 87.954, 101.922, 118.074 |
Unit cell angles | 90.00, 90.00, 90.00 |
Refinement procedure
Resolution | 25.000 - 1.900 |
R-factor | 0.18053 |
Rwork | 0.178 |
R-free | 0.22579 |
Structure solution method | MIRAS |
RMSD bond length | 0.014 |
RMSD bond angle | 1.555 |
Data reduction software | HKL-2000 |
Data scaling software | HKL-2000 |
Phasing software | SHARP |
Refinement software | REFMAC (5.2.0019) |
Data quality characteristics
Overall | Outer shell | |
Low resolution limit [Å] | 25.000 | 1.970 |
High resolution limit [Å] | 1.900 | 1.900 |
Rmerge | 0.062 | 0.367 |
Number of reflections | 83179 | |
<I/σ(I)> | 17.1 | 2.9 |
Completeness [%] | 99.6 | 100 |
Redundancy | 3.7 | 3.7 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | VAPOR DIFFUSION, SITTING DROP | 8.3 | 295 | 0.2M Ammonium acetate, 0.5M Sodium chloride, 20% w/v PEG 3350, pH 8.3, VAPOR DIFFUSION, SITTING DROP, temperature 295K |