3U80
1.60 Angstrom Resolution Crystal Structure of a 3-Dehydroquinate Dehydratase-like Protein from Bifidobacterium longum
Experimental procedure
Experimental method | SINGLE WAVELENGTH |
Source type | SYNCHROTRON |
Source details | APS BEAMLINE 21-ID-D |
Synchrotron site | APS |
Beamline | 21-ID-D |
Temperature [K] | 100 |
Detector technology | CCD |
Collection date | 2011-10-06 |
Detector | MARMOSAIC 225 mm CCD |
Wavelength(s) | 0.97850 |
Spacegroup name | P 21 21 21 |
Unit cell lengths | 44.004, 72.684, 81.713 |
Unit cell angles | 90.00, 90.00, 90.00 |
Refinement procedure
Resolution | 29.940 - 1.600 |
R-factor | 0.17783 |
Rwork | 0.176 |
R-free | 0.20270 |
Structure solution method | MOLECULAR REPLACEMENT |
Starting model (for MR) | 2dhq |
RMSD bond length | 0.010 |
RMSD bond angle | 1.329 |
Data reduction software | HKL-2000 |
Data scaling software | HKL-2000 |
Phasing software | PHASER |
Refinement software | REFMAC (5.6.0117) |
Data quality characteristics
Overall | Outer shell | |
Low resolution limit [Å] | 30.000 | 1.630 |
High resolution limit [Å] | 1.600 | 1.600 |
Rmerge | 0.044 | 0.503 |
Number of reflections | 35461 | |
<I/σ(I)> | 40.8 | 6.3 |
Completeness [%] | 99.9 | 100 |
Redundancy | 7.3 | 7.3 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | VAPOR DIFFUSION, SITTING DROP | 295 | Protein: 8.4 mg/ml, 0.5 M sodium chloride, 0.01 M Tris-HCl, pH 8.3. Screen Pact B2 (Qiagen), 0.1 M MIB buffer, 25% (w/v) PEG 1500, VAPOR DIFFUSION, SITTING DROP, temperature 295K |