2A0J
Crystal Structure of Nitrogen Regulatory Protein IIA-Ntr from Neisseria meningitidis
Experimental procedure
Experimental method | SINGLE WAVELENGTH |
Source type | SYNCHROTRON |
Source details | SRS BEAMLINE PX14.2 |
Synchrotron site | SRS |
Beamline | PX14.2 |
Temperature [K] | 100 |
Detector technology | CCD |
Collection date | 2004-02-13 |
Detector | ADSC QUANTUM 4 |
Wavelength(s) | 0.945 |
Spacegroup name | P 31 2 1 |
Unit cell lengths | 61.020, 61.020, 63.310 |
Unit cell angles | 90.00, 90.00, 120.00 |
Refinement procedure
Resolution | 27.490 - 2.500 |
R-factor | 0.201 |
Rwork | 0.201 |
R-free | 0.28000 |
Structure solution method | MOLECULAR REPLACEMENT |
RMSD bond length | 0.006 |
RMSD bond angle | 1.200 |
Data reduction software | DENZO |
Data scaling software | SCALEPACK |
Phasing software | CNS |
Refinement software | CNS (1.1) |
Data quality characteristics
Overall | Outer shell | |
Low resolution limit [Å] | 30.000 | 2.590 |
High resolution limit [Å] | 2.500 | 2.500 |
Rmerge | 0.183 | 0.552 |
Number of reflections | 4988 | |
<I/σ(I)> | 10.2 | 2.9 |
Completeness [%] | 100.0 | 100 |
Redundancy | 7.6 | 5.7 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | VAPOR DIFFUSION, SITTING DROP | 4 | 294 | 3.2 M ammonium sulphate, 0.1 M citrate, pH 4.0, VAPOR DIFFUSION, SITTING DROP, temperature 294K |