4CTQ
Structure of rat neuronal nitric oxide synthase heme domain in complex with (R)-6-(2-Amino-2-(3-(2-(6-amino-4-methylpyridin-2-yl) ethyl)phenyl)ethyl)-4-methylpyridin-2-amine
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | 5.8 | 20-22% PEG3350, 0.1 M MES, 0.14-0.20 M AMMONIUM ACETATE, 10% ETHYLENE GLYCOL, 35 UM SDS, 5 MM GSH, pH 5.8 |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.25 | 44.8 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 51.984 | α = 90 |
b = 111.165 | β = 90 |
c = 164.239 | 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 315r | MIRRORS | 2013-01-21 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | SSRL BEAMLINE BL7-1 | SSRL | BL7-1 |
Data Collection
Overall | |||||||||||||||||||
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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 | 2 | 50 | 99.4 | 0.06 | 25.7 | 4 | 64775 | -3 |
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 | 2 | 2.03 | 99.1 | 0.72 | 2 | 3.6 |
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 | OTHER | THROUGHOUT | NONE | 2 | 43.96 | 61524 | 3180 | 99.25 | 0.18834 | 0.18643 | 0.22473 | RANDOM | 48.88 |
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] | |
3.77 | 0.05 | -3.82 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 33.113 |
r_dihedral_angle_4_deg | 17.951 |
r_dihedral_angle_3_deg | 15.689 |
r_dihedral_angle_1_deg | 6.034 |
r_angle_refined_deg | 1.496 |
r_chiral_restr | 0.103 |
r_bond_refined_d | 0.012 |
r_gen_planes_refined | 0.008 |
r_bond_other_d | |
r_angle_other_deg |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 6659 |
Nucleic Acid Atoms | |
Solvent Atoms | 261 |
Heterogen Atoms | 183 |
Software
Software | |
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Software Name | Purpose |
REFMAC | refinement |
HKL-2000 | data reduction |
SCALEPACK | data scaling |
REFMAC | phasing |