3K3A
Crystal Structure of B/Perth Neuraminidase D197E mutant in complex with Oseltamivir
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 3K38 | PDB ENTRY 3K38 |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 7 | 281.15 | 12-17% w/v PEG 3350, 0.2-0.3M Na2 SO4, 5mM YCl3, VAPOR DIFFUSION, HANGING DROP, temperature 281.15K, PH7 |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.45 | 49.73 |
Crystal Data
Unit Cell | |
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Length ( ? ) | Angle ( ? ) |
a = 111.802 | ¦Á = 90.04 |
b = 123.836 | ¦Â = 90.17 |
c = 123.967 | ¦Ã = 90.1 |
Symmetry | |
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Space Group | P 1 |
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 270 | BEAMLINE OPTICS | 2008-06-29 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | PHOTON FACTORY BEAMLINE BL-17A | 1.00000 | Photon Factory | BL-17A |
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 | 2.25 | 50 | 91.8 | 0.142 | 7 | 2 | 289650 | 289650 | -1 | -1 | 29.746 |
Highest Resolution Shell | |||||||||||||||||||
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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) | |||||||||||
2.25 | 2.37 | 63.7 | 0.688 | 1 | 2 | 29350 |
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 | MOLECULAR REPLACEMENT | THROUGHOUT | PDB ENTRY 3K38 | 2.59 | 49.69 | 189381 | 9843 | 96.29 | 0.20796 | 0.20689 | 0.22859 | RANDOM | 39.491 |
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] | |
73.42 | 4.97 | -7.75 | -49.93 | 30.06 | -23.49 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 33.804 |
r_dihedral_angle_3_deg | 18.695 |
r_dihedral_angle_4_deg | 15.944 |
r_dihedral_angle_1_deg | 6.985 |
r_scangle_it | 2.12 |
r_angle_refined_deg | 1.61 |
r_scbond_it | 1.39 |
r_mcangle_it | 0.681 |
r_mcbond_it | 0.39 |
r_chiral_restr | 0.104 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 47984 |
Nucleic Acid Atoms | |
Solvent Atoms | 635 |
Heterogen Atoms | 564 |
Software
Software | |
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Software Name | Purpose |
ADSC | data collection |
MOLREP | phasing |
REFMAC | refinement |
MOSFLM | data reduction |
SCALA | data scaling |