5VQ4
Nitrogenase Av1 at pH 5
Experimental procedure
Experimental method | SINGLE WAVELENGTH |
Source type | SYNCHROTRON |
Source details | SSRL BEAMLINE BL12-2 |
Synchrotron site | SSRL |
Beamline | BL12-2 |
Temperature [K] | 100 |
Detector technology | PIXEL |
Collection date | 2016-03-10 |
Detector | DECTRIS PILATUS 6M |
Wavelength(s) | 0.9795 |
Spacegroup name | P 1 21 1 |
Unit cell lengths | 81.315, 128.859, 108.359 |
Unit cell angles | 90.00, 110.89, 90.00 |
Refinement procedure
Resolution | 39.540 - 2.300 |
R-factor | 0.17031 |
Rwork | 0.168 |
R-free | 0.22242 |
Structure solution method | MOLECULAR REPLACEMENT |
Starting model (for MR) | 3u7q |
RMSD bond length | 0.011 |
RMSD bond angle | 1.390 |
Data scaling software | XDS |
Phasing software | PHASER |
Refinement software | REFMAC (5.8.0151) |
Data quality characteristics
Overall | Outer shell | |
Low resolution limit [Å] | 39.540 | 2.340 |
High resolution limit [Å] | 2.300 | 2.300 |
Rmerge | 0.174 | 0.720 |
Number of reflections | 91309 | 4527 |
<I/σ(I)> | 9.2 | 3.1 |
Completeness [%] | 98.8 | 99.4 |
Redundancy | 6.7 | 7.1 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | VAPOR DIFFUSION, SITTING DROP | 293 | PEG 4000, sodium chloride, imidazole/malate, sodium dithionite |