Structure of rat neuronal nitric oxide synthase heme domain in complex with 6-((3-(3-aminopropoxy)phenoxy)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, 0.1 M MES, 100 mM ammonium acetate, 10% ethylene glycol, 5 mM GSH, 30 uM SDS, pH 5.8, VAPOR DIFFUSION, SITTING DROP, temperature 277K | 
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content | 
| 2.45 | 49.7 | 
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) | 
| a = 52.249 | α = 90 | 
| b = 111.179 | β = 90 | 
| c = 164.178 | 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 | MARMOSAIC 325 mm CCD | mirrors | 2011-12-04 | M | SINGLE WAVELENGTH | |||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline | 
| 1 | SYNCHROTRON | SSRL BEAMLINE BL9-2 | 1.000 | SSRL | BL9-2 | 
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) | Redundancy | Number Reflections (All) | Number Reflections (Observed) | Observed Criterion Sigma (F) | Observed Criterion Sigma (I) | B (Isotropic) From Wilson Plot | |||||||
| 1 | 1.94 | 50 | 99.6 | 0.066 | 0.066 | 27.9 | 4 | 71051 | -3 | 29.5 | |||||||||
| 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 | 1.94 | 1.98 | 99.3 | 0.53 | 0.53 | 2.3 | 3.9 | ||||||||||||
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 | 1.94 | 33.8 | 67268 | 3508 | 98.95 | 0.19121 | 0.18937 | 0.19 | 0.22628 | 0.23 | RANDOM | 42.737 | ||||
| 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] | |
| 3.36 | 0.95 | -4.31 | ||||
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation | 
| r_dihedral_angle_2_deg | 33.295 | 
| r_dihedral_angle_4_deg | 18.76 | 
| r_dihedral_angle_3_deg | 14.965 | 
| r_dihedral_angle_1_deg | 5.706 | 
| r_angle_refined_deg | 1.355 | 
| r_chiral_restr | 0.093 | 
| r_bond_refined_d | 0.01 | 
| r_gen_planes_refined | 0.007 | 
| r_bond_other_d | |
| r_angle_other_deg | |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number | 
| Protein Atoms | 6646 | 
| Nucleic Acid Atoms | |
| Solvent Atoms | 357 | 
| Heterogen Atoms | 171 | 
Software
| Software | |
|---|---|
| Software Name | Purpose | 
| Blu-Ice | data collection | 
| REFMAC | refinement | 
| HKL-2000 | data reduction | 
| SCALEPACK | data scaling | 
| REFMAC | phasing | 














