7TSA

Structure of rat neuronal nitric oxide synthase R349A/H692F mutant heme domain in complex with 4-methyl-6-(3-((methylamino)methyl)phenyl)pyridin-2-amine


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 1OM4 

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP5.827720-24% PEG3350, 0.1M MES 0.14-0.20M AMMONIUM ACETATE, 10% ETHYLENE GLYCOL, 30uM SDS, 5 mM GSH
Crystal Properties
Matthews coefficientSolvent content
2.4850.4

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 48.545α = 90
b = 114.161β = 90
c = 163.961γ = 90
Symmetry
Space GroupC 2 2 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100PIXELDECTRIS PILATUS 6Mmirrors2021-10-10MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONALS BEAMLINE 5.0.20.9845ALS5.0.2

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge I (Observed)Rrim I (All)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
12.0346.856698.40.1410.1570.0680.9965.95.52944645.77
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)Rrim I (All)Rpim I (All)CC (Half)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
12.032.0898.94.7295.1942.1280.3445.8

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (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 SYNTHESISFREE R-VALUE1OM42.0346.856627504259991.110.23710.23380.2973random85.3032
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_d18.882
f_angle_d1.081
f_chiral_restr0.05
f_bond_d0.008
f_plane_restr0.006
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms3333
Nucleic Acid Atoms
Solvent Atoms30
Heterogen Atoms82

Software

Software
Software NamePurpose
PHENIXrefinement
Aimlessdata scaling
PDB_EXTRACTdata extraction
XDSdata reduction
REFMACphasing