1YAC
THE 1.8 ANGSTROM CRYSTAL STRUCTURE OF THE YCAC GENE PRODUCT FROM ESCHERICHIA COLI REVEALS AN OCTAMERIC HYDROLASE OF UNKNOWN SPECIFICITY
Experimental procedure
Source type | SYNCHROTRON |
Source details | NSLS BEAMLINE X12B |
Synchrotron site | NSLS |
Beamline | X12B |
Temperature [K] | 90 |
Detector technology | CCD |
Collection date | 1997-07-09 |
Detector | ADSC |
Spacegroup name | P 4 21 2 |
Unit cell lengths | 91.898, 91.898, 113.400 |
Unit cell angles | 90.00, 90.00, 90.00 |
Refinement procedure
Resolution | 8.000 - 1.800 |
R-factor | 0.175 * |
Rwork | 0.175 |
R-free | 0.19600 |
Structure solution method | MIR |
RMSD bond length | 0.010 |
RMSD bond angle | 1.618 |
Data reduction software | DENZO |
Data scaling software | SCALEPACK |
Phasing software | X-PLOR (3.843) |
Refinement software | X-PLOR (3.843) |
Data quality characteristics
Overall | Outer shell | |
Low resolution limit [Å] | 40.000 | 1.860 |
High resolution limit [Å] | 1.800 | 1.800 |
Rmerge | 0.067 * | 0.260 |
Total number of observations | 308775 * | |
Number of reflections | 45076 * | |
<I/σ(I)> | 22.64 | 4.56 |
Completeness [%] | 98.8 * | 95.6 * |
Redundancy | 6.39 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | Vapor diffusion, hanging drop * | 6 * |
Crystallization Reagents in Literatures
ID | crystal ID | solution | reagent name | concentration (unit) | details |
1 | 1 | reservoir | ammonium sulfate | 2.4 (M) | |
2 | 1 | reservoir | MES | 100 (mM) |