3NLK
Structure of neuronal nitric oxide synthase R349A mutant heme domain in complex with 6-{{(3'S,4'S)-3'-[2"-(3'''-fluorophenethylamino)ethoxy]pyrrolidin-4'-yl}methyl}-4-methylpyridin-2-amine
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 1OM4 | PDB entry 1OM4 |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, SITTING DROP | 5.8 | 277 | 20-24% PEG3350, 100mM MES, 100-140mM ammonium acetate 5mM GSH, 35uM SDS, pH 5.8, VAPOR DIFFUSION, SITTING DROP, temperature 277K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.47 | 50.14 |
Crystal Data
Unit Cell | |
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Length ( ? ) | Angle ( ? ) |
a = 52.06 | ¦Á = 90 |
b = 112.14 | ¦Â = 90 |
c = 164.71 | ¦Ã = 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 | MARMOSAIC 325 mm CCD | mirror | 2007-01-19 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | SSRL BEAMLINE BL9-2 | 1.000 | SSRL | BL9-2 |
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 | 2.02 | 50 | 99.1 | 0.043 | 0.043 | 29.1 | 4 | 62972 | -3 | 35.5 |
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) | ||||||||||
2.02 | 2.05 | 98 | 0.628 | 0.628 | 2.3 | 3.7 |
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 1OM4 | 2.02 | 40.96 | 59732 | 3190 | 98.72 | 0.17621 | 0.17429 | 0.21113 | RANDOM | 51.828 |
Temperature Factor Modeling | ||||||
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Anisotropic B[1][1] | Anisotropic B[1][2] | Anisotropic B[1][3] | Anisotropic B[2][2] | Anisotropic B[2][3] | Anisotropic B[3][3] | |
2.49 | 0.07 | -2.57 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 33.955 |
r_dihedral_angle_4_deg | 18.988 |
r_dihedral_angle_3_deg | 14.653 |
r_dihedral_angle_1_deg | 5.722 |
r_scangle_it | 3.116 |
r_scbond_it | 2.029 |
r_angle_refined_deg | 1.388 |
r_mcangle_it | 1.228 |
r_mcbond_it | 0.683 |
r_chiral_restr | 0.097 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 6652 |
Nucleic Acid Atoms | |
Solvent Atoms | 375 |
Heterogen Atoms | 183 |
Software
Software | |
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Software Name | Purpose |
REFMAC | refinement |
CNS | refinement |
Blu-Ice | data collection |
HKL-2000 | data reduction |
SCALEPACK | data scaling |
CNS | phasing |