3N5Q
Structure of endothelial nitric oxide synthase heme domain complexed with 6,6'-(2,2'-(5-amino-1,3-phenylene)bis(ethane-2,1-diyl))bis(4-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 | 2008-11-29 |
Detector | ADSC QUANTUM 315r |
Wavelength(s) | 1.0 |
Spacegroup name | P 21 21 21 |
Unit cell lengths | 57.847, 107.090, 157.252 |
Unit cell angles | 90.00, 90.00, 90.00 |
Refinement procedure
Resolution | 42.730 - 2.900 |
R-factor | 0.19613 |
Rwork | 0.192 |
R-free | 0.26920 |
Structure solution method | FOURIER SYNTHESIS |
RMSD bond length | 0.013 |
RMSD bond angle | 1.456 |
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 | 2.950 |
High resolution limit [Å] | 2.900 | 2.900 |
Rmerge | 0.147 | 0.789 |
Number of reflections | 21944 | |
<I/σ(I)> | 8.87 | 1.63 |
Completeness [%] | 97.9 | 98.8 |
Redundancy | 4 | 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 |