4CX4
Structure of rat neuronal nitric oxide synthase M336V D597N mutant heme domain in complex with 4-METHYL-6-(((3R,4R)-4-((5-(4- METHYLPYRIDIN-2-YL)PENTYL)OXY)PYRROLIDIN-3-YL)METHYL)PYRIDIN-2-AMINE
X-RAY DIFFRACTION
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | 5.8 | 20-22% PEG3350, 0.1 MES PH 5.8, 140-200MM AMMONIUM ACETATE, 10% ETHYLENE GLYCOL, 35UM SDS, 5MM GSH | ||
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 2.47 | 50.2 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 51.829 | α = 90 |
| b = 110.633 | β = 90 |
| c = 164.431 | 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 315r | MIRRORS | 2011-04-05 | M | SINGLE WAVELENGTH | |||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | SYNCHROTRON | SSRL BEAMLINE BL7-1 | SSRL | BL7-1 | |
Data Collection
| Overall | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge 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 | 1.98 | 50 | 99.1 | 0.05 | 33 | 4 | 66365 | -3 | 28.48 | ||||||||||
| Highest Resolution Shell | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | |||||||||||
| 1 | 1.98 | 2.01 | 99.9 | 0.42 | 3.6 | 4 | |||||||||||||
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 | R-Free | R-Free Selection Details | Mean Isotropic B | ||||||
| X-RAY DIFFRACTION | OTHER | THROUGHOUT | NONE | 1.98 | 43.84 | 62884 | 3272 | 98.9 | 0.17652 | 0.17463 | 0.21213 | RANDOM | 40.879 | ||||||
| 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] | |
| 0.22 | -0.19 | -0.03 | ||||
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| r_dihedral_angle_2_deg | 34.154 |
| r_dihedral_angle_4_deg | 18.748 |
| r_dihedral_angle_3_deg | 14.975 |
| r_dihedral_angle_1_deg | 6.012 |
| r_scangle_it | 3.541 |
| r_scbond_it | 2.299 |
| r_angle_refined_deg | 1.496 |
| r_mcangle_it | 1.386 |
| r_mcbond_it | 0.791 |
| r_chiral_restr | 0.108 |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 6656 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 413 |
| Heterogen Atoms | 183 |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| REFMAC | refinement |
| HKL-2000 | data reduction |
| SCALEPACK | data scaling |
| REFMAC | phasing |
