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)


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
2.4549.79

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 57.847α = 90
b = 107.09β = 90
c = 157.252γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC QUANTUM 315rmirrors2008-11-29MSINGLE 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
12.95097.90.1470.1478.87421944-357.8
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)
2.92.9598.80.7890.7891.633.91050

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodResolution (High)Resolution (Low)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONFOURIER SYNTHESISTHROUGHOUT2.942.7320811109797.920.196130.192260.2692RANDOM47.163
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]
0.12-0.04-0.08
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg36.807
r_dihedral_angle_3_deg19.733
r_dihedral_angle_4_deg18.219
r_dihedral_angle_1_deg6.524
r_scangle_it2.524
r_scbond_it1.457
r_angle_refined_deg1.456
r_mcangle_it0.92
r_mcbond_it0.471
r_chiral_restr0.09
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg36.807
r_dihedral_angle_3_deg19.733
r_dihedral_angle_4_deg18.219
r_dihedral_angle_1_deg6.524
r_scangle_it2.524
r_scbond_it1.457
r_angle_refined_deg1.456
r_mcangle_it0.92
r_mcbond_it0.471
r_chiral_restr0.09
r_bond_refined_d0.013
r_gen_planes_refined0.006
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms6413
Nucleic Acid Atoms
Solvent Atoms29
Heterogen Atoms181

Software

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