3K8U
Crystal Structure of the Peptidase Domain of Streptococcus ComA, a Bi-functional ABC Transporter Involved in Quorum Sensing Pathway
Experimental procedure
Experimental method | MAD |
Source type | SYNCHROTRON |
Source details | SPRING-8 BEAMLINE BL26B2 |
Synchrotron site | SPring-8 |
Beamline | BL26B2 |
Temperature [K] | 100 |
Detector technology | CCD |
Collection date | 2007-10-06 |
Detector | MARMOSAIC 225 mm CCD |
Wavelength(s) | 0.9789, 0.9000, 0.9795 |
Spacegroup name | P 43 21 2 |
Unit cell lengths | 58.610, 58.610, 112.050 |
Unit cell angles | 90.00, 90.00, 90.00 |
Refinement procedure
Resolution | 41.440 - 1.900 |
R-factor | 0.212 |
Rwork | 0.212 |
R-free | 0.23400 |
Structure solution method | MAD |
RMSD bond length | 0.005 |
RMSD bond angle | 1.200 |
Data reduction software | HKL-2000 |
Data scaling software | HKL-2000 |
Phasing software | SHELXS |
Refinement software | CNS (1.1) |
Data quality characteristics
Overall | Outer shell | |
Low resolution limit [Å] | 50.000 | 1.970 |
High resolution limit [Å] | 1.900 | 1.900 |
Rmerge | 0.064 | 0.299 |
Number of reflections | 16136 | |
<I/σ(I)> | 45 | 10.2 |
Completeness [%] | 100.0 | 100 |
Redundancy | 13.3 | 13.7 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | VAPOR DIFFUSION, SITTING DROP | 5 | 293 | 16% polyethylene glycol 3350, 0.16M di-ammonium hydrogen citrate, VAPOR DIFFUSION, SITTING DROP, temperature 293K |
1 | VAPOR DIFFUSION, SITTING DROP | 5 | 293 | 16% polyethylene glycol 3350, 0.16M di-ammonium hydrogen citrate, VAPOR DIFFUSION, SITTING DROP, temperature 293K |