2DKN
Crystal structure of the 3-alpha-hydroxysteroid dehydrogenase from Pseudomonas sp. B-0831 complexed with NADH
Experimental procedure
Experimental method | SINGLE WAVELENGTH |
Source type | SYNCHROTRON |
Source details | SPRING-8 BEAMLINE BL38B1 |
Synchrotron site | SPring-8 |
Beamline | BL38B1 |
Temperature [K] | 100 |
Detector technology | CCD |
Collection date | 2005-06-23 |
Detector | RIGAKU JUPITER 210 |
Wavelength(s) | 1.000 |
Spacegroup name | P 21 21 21 |
Unit cell lengths | 62.457, 82.248, 86.569 |
Unit cell angles | 90.00, 90.00, 90.00 |
Refinement procedure
Resolution | 20.000 - 1.800 |
R-factor | 0.17384 |
Rwork | 0.172 |
R-free | 0.20530 |
Structure solution method | MOLECULAR REPLACEMENT |
Starting model (for MR) | 1fk8 |
RMSD bond length | 0.011 |
RMSD bond angle | 1.472 |
Data reduction software | HKL-2000 |
Data scaling software | HKL-2000 |
Phasing software | MOLREP |
Refinement software | REFMAC (5.2.0005) |
Data quality characteristics
Overall | Outer shell | |
Low resolution limit [Å] | 20.000 | 1.900 |
High resolution limit [Å] | 1.800 | 1.800 |
Rmerge | 0.168 | 0.249 |
Number of reflections | 41776 | |
<I/σ(I)> | 24.56 | 5.8 |
Completeness [%] | 99.5 | 98.7 |
Redundancy | 7.38 | 7.1 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | VAPOR DIFFUSION, HANGING DROP | 9 | 277 | 0.1M Tris/HCl (pH 9.0), 0.14M sodium chloride, 1.4M ammonium sulfate, VAPOR DIFFUSION, HANGING DROP, temperature 277K |