3N6F

Structure of endothelial nitric oxide synthase N368D single mutant heme domain complexed with 6,6'-(2,2'-(pyridine-3,5-diyl)bis(ethane-2,1-diyl))bis(4-methylpyridin-2-amine)


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP6.52789-12% PEG 3350, 0.2M magnesium acetate, 0.1M sodium cacodylate, 0.005M TCEP-HCl , pH 6.5, VAPOR DIFFUSION, SITTING DROP, temperature 278K
Crystal Properties
Matthews coefficientSolvent content
2.4549.71

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 57.986α = 90
b = 106.724β = 90
c = 157.182γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC QUANTUM 315rmirrors2009-05-28MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONSSRL BEAMLINE BL7-11.0SSRLBL7-1

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge I (Observed)R Sym I (Observed)Net I Over Average Sigma (I)RedundancyNumber Reflections (All)Number Reflections (Observed)Observed Criterion Sigma (F)Observed Criterion Sigma (I)B (Isotropic) From Wilson Plot
12.1850990.0620.06220.35448775-340.3
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)R-Sym I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
2.182.2296.50.5510.5512.053.92486

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodResolution (High)Resolution (Low)Cut-off Sigma (I)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONFOURIER SYNTHESISTHROUGHOUT2.1839.3348775255798.980.180080.17810.21789RANDOM44.272
Temperature Factor Modeling
Anisotropic B[1][1]Anisotropic B[1][2]Anisotropic B[1][3]Anisotropic B[2][2]Anisotropic B[2][3]Anisotropic B[3][3]
0.11-0.270.16
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg35.301
r_dihedral_angle_4_deg17.967
r_dihedral_angle_3_deg16.82
r_dihedral_angle_1_deg5.984
r_scangle_it2.813
r_scbond_it1.731
r_angle_refined_deg1.35
r_mcangle_it1.098
r_mcbond_it0.567
r_chiral_restr0.082
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg35.301
r_dihedral_angle_4_deg17.967
r_dihedral_angle_3_deg16.82
r_dihedral_angle_1_deg5.984
r_scangle_it2.813
r_scbond_it1.731
r_angle_refined_deg1.35
r_mcangle_it1.098
r_mcbond_it0.567
r_chiral_restr0.082
r_bond_refined_d0.011
r_gen_planes_refined0.006
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms6422
Nucleic Acid Atoms
Solvent Atoms289
Heterogen Atoms199

Software

Software
Software NamePurpose
REFMACrefinement
CNSrefinement
ADSCdata collection
HKL-2000data reduction
HKL-2000data scaling
CNSphasing