Structure of rat neuronal nitric oxide synthase R349A mutant heme domain bound with 6-(5-((dimethylamino)methyl)-2,3-difluorophenyl)-4-methylpyridin-2-amine dihydrochloride
X-RAY DIFFRACTION
Starting Model(s)
| Initial Refinement Model(s) | |||
|---|---|---|---|
| Type | Source | Accession Code | Details | 
| experimental model | PDB | 7TS9 | |
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details | 
| 1 | VAPOR DIFFUSION, SITTING DROP | 5.8 | 278 | 20-24% PEG3350, 0.1M MES 0.14-0.20M AMMONIUM ACETATE, 10% ETHYLENE GLYCOL, 30uM SDS, 5 mM GSH | 
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content | 
| 2.48 | 50.4 | 
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) | 
| a = 48.764 | α = 90 | 
| b = 113.015 | β = 90 | 
| c = 163.145 | γ = 90 | 
| Symmetry | |
|---|---|
| Space Group | C 2 2 21 | 
Diffraction
| Diffraction Experiment | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol | |||||
| 1 | 1 | x-ray | 100 | CCD | ADSC QUANTUM 315 | 2022-09-17 | M | SINGLE WAVELENGTH | ||||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline | 
| 1 | SYNCHROTRON | ALS BEAMLINE 8.2.1 | 1.000 | ALS | 8.2.1 | 
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) | Redundancy | Number Reflections (All) | Number Reflections (Observed) | Observed Criterion Sigma (F) | Observed Criterion Sigma (I) | B (Isotropic) From Wilson Plot | |||||
| 1 | 2.08 | 46.45 | 99.9 | 0.198 | 0.209 | 0.067 | 0.982 | 6.3 | 8.6 | 27563 | |||||||||
| 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) | Redundancy | Number Unique Reflections (All) | ||||||||
| 1 | 2.08 | 2.14 | 99.1 | 5.342 | 5.93 | 2.53 | 0.243 | 5.5 | |||||||||||
Refinement
| Statistics | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Diffraction ID | Structure Solution Method | Cross Validation method | Resolution (High) | Resolution (Low) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Factor (Observed) | R-Work (Depositor) | R-Work (DCC) | R-Free (Depositor) | R-Free (DCC) | R-Free Selection Details | Mean Isotropic B | |||||
| X-RAY DIFFRACTION | FOURIER SYNTHESIS | FREE R-VALUE | 2.081 | 46.45 | 27290 | 2640 | 98.71 | 0.2252 | 0.2219 | 0.2252 | 0.2849 | 0.2842 | random | ||||||
| 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 | |
|---|---|
| Key | Refinement Restraint Deviation | 
| f_dihedral_angle_d | 18.968 | 
| f_angle_d | 0.998 | 
| f_chiral_restr | 0.052 | 
| f_bond_d | 0.008 | 
| f_plane_restr | 0.006 | 
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number | 
| Protein Atoms | 3341 | 
| Nucleic Acid Atoms | |
| Solvent Atoms | 43 | 
| Heterogen Atoms | 81 | 
Software
| Software | |
|---|---|
| Software Name | Purpose | 
| Aimless | data scaling | 
| PHENIX | refinement | 
| XDS | data reduction | 
| REFMAC | phasing | 














