3F2I
Crystal structure of the alr0221 protein from Nostoc, Northeast Structural Genomics Consortium Target NsR422.
Experimental procedure
| Experimental method | SINGLE WAVELENGTH |
| Source type | SYNCHROTRON |
| Source details | NSLS BEAMLINE X4C |
| Synchrotron site | NSLS |
| Beamline | X4C |
| Temperature [K] | 100 |
| Detector technology | CCD |
| Collection date | 2008-10-17 |
| Detector | MAR CCD 165 mm |
| Spacegroup name | P 1 21 1 |
| Unit cell lengths | 65.099, 94.329, 92.062 |
| Unit cell angles | 90.00, 93.64, 90.00 |
Refinement procedure
| Resolution | 19.930 - 2.000 |
| R-factor | 0.196 |
| Rwork | 0.196 |
| R-free | 0.24000 |
| Structure solution method | SAD |
| RMSD bond length | 0.006 |
| RMSD bond angle | 1.300 |
| Data reduction software | DENZO |
| Data scaling software | SCALEPACK |
| Phasing software | SHELX (then SOLVE/RESOLVE) |
| Refinement software | CNS (1.2 & XtalView) |
Data quality characteristics
| Overall | Outer shell | |
| Low resolution limit [Å] | 30.000 | 2.070 |
| High resolution limit [Å] | 2.000 | 2.000 |
| Rmerge | 0.088 | 0.345 |
| Number of reflections | 148291 | |
| <I/σ(I)> | 15.6 | 2.95 |
| Completeness [%] | 98.7 | 90 |
| Redundancy | 3.7 | 3.4 |
Crystallization Conditions
| crystal ID | method | pH | temperature | details |
| 1 | 8 | 277 | Protein solution: 10 mM Tris (pH 7.5), 100 mM sodium chloride, and 5 mM DTT. Reservoir solution: 100 mM TRIS (pH 8), 20% PEG 8K, and 100 mM NH4H2PO4, microbatch under oil, temperature 277K |
