3N6B
Structure of endothelial nitric oxide synthase H373S single mutant heme domain complexed with 6,6'-(2,2'-(pyridine-3,5-diyl)bis(ethane-2,1-diyl))bis(4-methylpyridin-2-amine)
Experimental procedure
Experimental method | SINGLE WAVELENGTH |
Source type | SYNCHROTRON |
Source details | SSRL BEAMLINE BL9-2 |
Synchrotron site | SSRL |
Beamline | BL9-2 |
Temperature [K] | 100 |
Detector technology | CCD |
Collection date | 2010-02-21 |
Detector | MARMOSAIC 325 mm CCD |
Wavelength(s) | 1.0 |
Spacegroup name | P 21 21 21 |
Unit cell lengths | 57.764, 106.549, 157.823 |
Unit cell angles | 90.00, 90.00, 90.00 |
Refinement procedure
Resolution | 39.460 - 3.100 |
R-factor | 0.19157 |
Rwork | 0.187 |
R-free | 0.27420 |
Structure solution method | FOURIER SYNTHESIS |
RMSD bond length | 0.016 |
RMSD bond angle | 1.704 |
Data reduction software | HKL-2000 |
Data scaling software | HKL-2000 |
Phasing software | CNS |
Refinement software | REFMAC (5.5.0109) |
Data quality characteristics
Overall | Outer shell | |
Low resolution limit [Å] | 50.000 | 3.150 |
High resolution limit [Å] | 3.100 | 3.100 |
Rmerge | 0.097 | 0.611 |
Number of reflections | 18319 | |
<I/σ(I)> | 13.53 | 1.79 |
Completeness [%] | 99.2 | 100 |
Redundancy | 3.9 | 3.9 |
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 |