3N6A
Structure of endothelial nitric oxide synthase N368D/V106M double mutant heme domain complexed with 4-(2-(5-(2-(6-amino-4-methylpyridin-2-yl)ethyl)pyridin-3-yl)ethyl)-6-methylpyridin-2-amine
Experimental procedure
Experimental method | SINGLE WAVELENGTH |
Source type | SYNCHROTRON |
Source details | SSRL BEAMLINE BL7-1 |
Synchrotron site | SSRL |
Beamline | BL7-1 |
Temperature [K] | 100 |
Detector technology | CCD |
Collection date | 2009-03-27 |
Detector | ADSC QUANTUM 315r |
Wavelength(s) | 1.0 |
Spacegroup name | P 21 21 21 |
Unit cell lengths | 58.071, 106.614, 156.886 |
Unit cell angles | 90.00, 90.00, 90.00 |
Refinement procedure
Resolution | 42.760 - 2.490 |
R-factor | 0.18667 |
Rwork | 0.184 |
R-free | 0.24334 |
Structure solution method | FOURIER SYNTHESIS |
RMSD bond length | 0.013 |
RMSD bond angle | 1.470 |
Data reduction software | HKL-2000 |
Data scaling software | HKL-2000 |
Phasing software | CNS |
Refinement software | REFMAC (5.5.0089) |
Data quality characteristics
Overall | Outer shell | |
Low resolution limit [Å] | 50.000 | 2.540 |
High resolution limit [Å] | 2.500 | 2.500 |
Rmerge | 0.103 | 0.600 |
Number of reflections | 34483 | |
<I/σ(I)> | 12.18 | 1.6 |
Completeness [%] | 99.5 | 95.3 |
Redundancy | 3.6 | 3.3 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | VAPOR DIFFUSION, SITTING DROP | 6.5 | 278 | 9-12% PEG 3350, 0.2M magnesium acetate, 0.1M sodium cacodylate, 0.005M TCEP-HCl , pH 6.5, VAPOR DIFFUSION, SITTING DROP, temperature 278K |