6NGA

Structure of human neuronal nitric oxide synthase R354A/G357D mutant heme domain in complex with 6-(3-(3-(dimethylamino)propyl)-2,6-difluorophenethyl)-4-methylpyridin-2-amine


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 5AD7PDB entry 5AD7

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP7.22778% PEG3350, 35 mM citric acid, 65 mM Bis-Tris propane, 10% glycerol, 5 mM TCEP
Crystal Properties
Matthews coefficientSolvent content
2.7455.2

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 52.19α = 90
b = 122.77β = 90
c = 164.67γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDMARMOSAIC 325 mm CCDmirrors2017-07-28MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONSSRL BEAMLINE BL14-11.195SSRLBL14-1

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge I (Observed)R Sym I (Observed)Rpim I (All)CC (Half)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
11.98601000.0820.0820.060.9989.45.474717-3
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)R-Sym I (Observed)Rpim I (All)CC (Half)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
11.982.041001.4361.4361.0550.50315.4

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Cut-off Sigma (F)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONFOURIER SYNTHESISFREE R-VALUEPDB entry 5AD71.9837.8220.0374613696599.910.18230.18060.2145random
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]
RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d18.279
f_angle_d0.961
f_chiral_restr0.052
f_bond_d0.007
f_plane_restr0.005
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms6693
Nucleic Acid Atoms
Solvent Atoms509
Heterogen Atoms169

Software

Software
Software NamePurpose
PHENIXrefinement
MOSFLMdata reduction
Aimlessdata scaling
REFMACphasing