3RQO
Structure of the endothelial nitric oxide synthase heme domain in complex with 6-(((3R,4R)-4-(2-((1S,2R/1R,2S)-2-(3-Clorophenyl)cyclopropylamino)ethoxy)pyrrolidin-3-yl)methyl)-4-methylpyridin-2-amine
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, SITTING DROP | 6.5 | 278 | 12-14% PEG3350, 0.1M Cacodylate, 0.2M magnesium acetate, 5mM TCEP, pH 6.5, VAPOR DIFFUSION, SITTING DROP, temperature 278K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.44 | 49.63 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 58.084 | α = 90 |
b = 106.643 | β = 90 |
c = 156.516 | γ = 90 |
Symmetry | |
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Space Group | P 21 21 21 |
Diffraction
Diffraction Experiment | ||||||||||||||
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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 | 2011-02-19 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | SSRL BEAMLINE BL7-1 | 1.000 | SSRL | BL7-1 |
Data Collection
Overall | |||||||||||||||||||
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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 | 2.08 | 50 | 99.6 | 0.072 | 0.072 | 22.8 | 3.7 | 59039 | -3 | 33.2 |
Highest Resolution Shell | |||||||||||||||||||
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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 | 2.08 | 2.12 | 99.9 | 0.66 | 0.66 | 2.1 | 3.8 |
Refinement
Statistics | |||||||||||||||||||
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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 | FOURIER SYNTHESIS | THROUGHOUT | PDB entry 1NSE | 2.08 | 35.11 | 55805 | 2930 | 99.28 | 0.17641 | 0.1741 | 0.22076 | RANDOM | 40.204 |
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] | |
0.34 | -0.28 | -0.07 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 35.794 |
r_dihedral_angle_4_deg | 19.38 |
r_dihedral_angle_3_deg | 16.873 |
r_dihedral_angle_1_deg | 6.213 |
r_scangle_it | 3.647 |
r_scbond_it | 2.33 |
r_angle_refined_deg | 1.557 |
r_mcangle_it | 1.4 |
r_mcbond_it | 0.773 |
r_chiral_restr | 0.103 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 6407 |
Nucleic Acid Atoms | |
Solvent Atoms | 403 |
Heterogen Atoms | 203 |
Software
Software | |
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Software Name | Purpose |
Blu-Ice | data collection |
REFMAC | refinement |
HKL-2000 | data reduction |
SCALEPACK | data scaling |
REFMAC | phasing |