2Q1C
2-keto-3-deoxy-D-arabinonate dehydratase complexed with calcium and 2-oxobutyrate
Experimental procedure
Experimental method | SINGLE WAVELENGTH |
Source type | ROTATING ANODE |
Source details | RIGAKU MICROMAX-007 HF |
Temperature [K] | 100 |
Detector technology | IMAGE PLATE |
Collection date | 2006-01-01 |
Detector | MAR scanner 345 mm plate |
Wavelength(s) | 1.5418 |
Spacegroup name | I 41 2 2 |
Unit cell lengths | 129.290, 129.290, 223.090 |
Unit cell angles | 90.00, 90.00, 90.00 |
Refinement procedure
Resolution | 19.480 - 2.800 |
R-factor | 0.24084 |
Rwork | 0.240 |
R-free | 0.26565 |
Structure solution method | FOURIER SYNTHESIS |
Starting model (for MR) | 1q18 |
RMSD bond length | 0.006 |
RMSD bond angle | 1.028 |
Data reduction software | XDS |
Data scaling software | XSCALE |
Refinement software | REFMAC (5.2.0005) |
Data quality characteristics
Overall | Outer shell | |
Low resolution limit [Å] | 19.500 | 2.900 |
High resolution limit [Å] | 2.800 | 2.800 |
Rmerge | 0.123 | 0.446 |
Number of reflections | 22992 | |
<I/σ(I)> | 8.1 | 3 |
Completeness [%] | 97.1 | 99.3 |
Redundancy | 3.4 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | VAPOR DIFFUSION, HANGING DROP | 4.8 | 293 | Na/K phosphate, pH 4.8, VAPOR DIFFUSION, HANGING DROP, temperature 293K |