3N6C

Structure of endothelial nitric oxide synthase H373S single mutant heme domain complexed with 4-(2-(6-(2-(6-amino-4-methylpyridin-2-yl)ethyl)pyridin-2-yl)ethyl)-6-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
2.4650

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 58.142α = 90
b = 105.691β = 90
c = 159.211γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDMARMOSAIC 325 mm CCDmirrors2010-02-21MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONSSRL BEAMLINE BL9-21.0SSRLBL9-2

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
13.055097.80.1520.1529.39418687-360.9
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)
3.053.198.40.6820.6821.73.7912

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 SYNTHESISTHROUGHOUT3.0639.831773291797.480.237750.23280.33241RANDOM57.037
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]
0.32-0.13-0.18
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg38.679
r_dihedral_angle_3_deg22.227
r_dihedral_angle_4_deg16.806
r_dihedral_angle_1_deg7.165
r_scangle_it1.439
r_angle_refined_deg1.432
r_scbond_it0.818
r_mcangle_it0.536
r_mcbond_it0.281
r_chiral_restr0.094
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg38.679
r_dihedral_angle_3_deg22.227
r_dihedral_angle_4_deg16.806
r_dihedral_angle_1_deg7.165
r_scangle_it1.439
r_angle_refined_deg1.432
r_scbond_it0.818
r_mcangle_it0.536
r_mcbond_it0.281
r_chiral_restr0.094
r_bond_refined_d0.012
r_gen_planes_refined0.007
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms6392
Nucleic Acid Atoms
Solvent Atoms26
Heterogen Atoms203

Software

Software
Software NamePurpose
REFMACrefinement
CNSrefinement
MAR345dtbdata collection
HKL-2000data reduction
HKL-2000data scaling
CNSphasing