3QWN
Crystal structure of a NigD-like immunity protein (BACCAC_03262) from Bacteroides caccae ATCC 43185 at 2.42 A resolution
Experimental procedure
Experimental method | MAD |
Source type | SYNCHROTRON |
Source details | SSRL BEAMLINE BL9-2 |
Synchrotron site | SSRL |
Beamline | BL9-2 |
Temperature [K] | 100 |
Detector technology | CCD |
Collection date | 2010-07-22 |
Detector | MARMOSAIC 325 mm CCD |
Wavelength(s) | 0.97901,0.97920,0.91837,0.97908 |
Spacegroup name | P 31 |
Unit cell lengths | 132.310, 132.310, 163.350 |
Unit cell angles | 90.00, 90.00, 120.00 |
Refinement procedure
Resolution | 29.712 - 2.420 |
R-factor | 0.1773 |
Rwork | 0.175 |
R-free | 0.21310 |
Structure solution method | MAD |
RMSD bond length | 0.010 |
RMSD bond angle | 1.110 |
Data reduction software | MOSFLM |
Data scaling software | SCALA (3.3.15) |
Phasing software | SOLVE |
Refinement software | BUSTER-TNT (2.8.0) |
Data quality characteristics
Overall | Inner shell | Outer shell | |
Low resolution limit [Å] | 29.712 | 29.712 | 2.480 |
High resolution limit [Å] | 2.420 | 10.820 | 2.420 |
Rmerge | 0.043 | 0.779 | |
Total number of observations | 5509 | 38299 | |
Number of reflections | 121998 | ||
<I/σ(I)> | 9.8 | 10.7 | 1 |
Completeness [%] | 99.9 | 95.4 | 100 |
Redundancy | 4.3 | 4.2 | 4.2 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | VAPOR DIFFUSION, SITTING DROP | 7.3 | 277 | 30.0% polyethylene glycol 3350, 0.2M di-sodium hydrogen phosphate, 0.1M HEPES pH 7.3, NANODROP, VAPOR DIFFUSION, SITTING DROP, temperature 277K |