Structure of neuronal nitric oxide synthase heme domain in complex with 6-(((3S,4S)-4-(2-((2-fluorobenzyl)amino)ethoxy)pyrrolidin-3-yl)methyl)-4-methylpyridin-2-amine
X-RAY DIFFRACTION
Starting Model(s)
| Initial Refinement Model(s) | |||
|---|---|---|---|
| Type | Source | Accession Code | Details |
| experimental model | PDB | 1OM4 | PDB ENTRY 1OM4 |
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | VAPOR DIFFUSION, SITTING DROP | 5.8 | 277 | 20-24% PEG3350 0.1M MES, 140mM ammonium acetate, 10% ethylene glycol, 5mM GSH, 35uM SDS, pH 5.8, VAPOR DIFFUSION, SITTING DROP, temperature 277K |
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 2.42 | 49.19 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 51.931 | α = 90 |
| b = 110.806 | β = 90 |
| c = 164.294 | γ = 90 |
| Symmetry | |
|---|---|
| Space Group | P 21 21 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 | mirrors | 2010-02-28 | M | SINGLE WAVELENGTH | |||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | SYNCHROTRON | SSRL BEAMLINE BL7-1 | 1.000 | SSRL | BL7-1 |
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) | Redundancy | Number Reflections (All) | Number Reflections (Observed) | Observed Criterion Sigma (F) | Observed Criterion Sigma (I) | B (Isotropic) From Wilson Plot | |||||||
| 1 | 1.9 | 50 | 99.9 | 0.055 | 0.055 | 29.2 | 4.1 | 75516 | -3 | 29.25 | |||||||||
| 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) | Redundancy | Number Unique Reflections (All) | ||||||||||
| 1 | 1.9 | 1.93 | 100 | 0.629 | 0.629 | 2.1 | 4.1 | ||||||||||||
Refinement
| Statistics | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | 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 | THROUGHOUT | PDB ENTRY 1OM4 | 1.9 | 38.64 | 71520 | 3731 | 99.46 | 0.18027 | 0.17862 | 0.19 | 0.2115 | 0.23 | RANDOM | 45.165 | ||||
| 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] | |
| 3.03 | 0.23 | -3.26 | ||||
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| r_dihedral_angle_2_deg | 33.534 |
| r_dihedral_angle_4_deg | 18.966 |
| r_dihedral_angle_3_deg | 14.665 |
| r_dihedral_angle_1_deg | 5.85 |
| r_scangle_it | 3.397 |
| r_scbond_it | 2.194 |
| r_angle_refined_deg | 1.411 |
| r_mcangle_it | 1.308 |
| r_mcbond_it | 0.736 |
| r_chiral_restr | 0.101 |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 6676 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 377 |
| Heterogen Atoms | 181 |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| Blu-Ice | data collection |
| REFMAC | refinement |
| HKL-2000 | data reduction |
| SCALEPACK | data scaling |
| REFMAC | phasing |














