Crystal Structure of Nsp15 Endoribonuclease from SARS CoV-2 in Complex with TAS-103
X-RAY DIFFRACTION - SOLUTION SCATTERING
Starting Model(s)
Initial Refinement Model(s) |
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Type | Source | Accession Code | Details |
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experimental model | PDB | 5WLC | |
Crystallization
Crystalization Experiments |
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ID | Method | pH | Temperature | Details |
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1 | VAPOR DIFFUSION, SITTING DROP | 8.5 | 292 | 0.1 mM sodium phosphate pH 6.5
10 % w/v Peg 8000
0.3 M NaCl |
Crystal Data
Unit Cell |
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Length ( ? ) | Angle ( ? ) |
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a = 150.488 | ¦Á = 90 |
b = 150.488 | ¦Â = 90 |
c = 110.086 | ¦Ã = 120 |
Diffraction
Diffraction Experiment |
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ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol |
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1 | 1 | x-ray | 100 | PIXEL | DECTRIS EIGER2 X 16M | | 2022-06-13 | M | SINGLE WAVELENGTH |
Radiation Source |
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
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1 | SYNCHROTRON | PETRA III, DESY BEAMLINE P11 | 1.033 | PETRA III, DESY | P11 |
Data Collection
Overall |
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (Observed) | R Sym I (Observed) | Rrim I (All) | Rpim I (All) | CC (Half) | R Split (All) | 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 |
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1 | 2 | 49.26 | 99.9 | 0.098 | | | | 0.989 | | 7.7 | 4.7 | | 95339 | | | |
Highest Resolution Shell |
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | R Merge I (Observed) | R-Sym I (Observed) | Rrim I (All) | Rpim I (All) | CC (Half) | R Split (All) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) |
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1 | 2 | 2.03 | | 0.868 | | | | 0.625 | | | | |
Refinement
Statistics |
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Diffraction ID | Structure Solution Method | Resolution (High) | Resolution (Low) | Cut-off Sigma (I) | Cut-off Sigma (F) | Number Reflections (All) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Factor (All) | R-Factor (Observed) | R-Work (Depositor) | R-Work (DCC) | R-Free (Depositor) | R-Free (DCC) | R-Free Selection Details | Mean Isotropic B |
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X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | 2 | 49.26 | | | | 90542 | 4755 | 99.76 | | 0.16239 | 0.16162 | 0.1691 | 0.17693 | 0.1819 | RANDOM | 48.021 |
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] |
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-7.33 | | | -7.33 | | 14.66 |
RMS Deviations |
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Key | Refinement Restraint Deviation |
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r_dihedral_angle_3_deg | 12.057 |
r_dihedral_angle_2_deg | 7.194 |
r_dihedral_angle_1_deg | 6.555 |
r_long_range_B_other | 6.32 |
r_long_range_B_refined | 6.318 |
r_scangle_other | 4.729 |
r_scbond_other | 3.212 |
r_scbond_it | 3.211 |
r_mcangle_it | 3.025 |
r_mcangle_other | 3.025 |
RMS Deviations |
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Key | Refinement Restraint Deviation |
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r_dihedral_angle_3_deg | 12.057 |
r_dihedral_angle_2_deg | 7.194 |
r_dihedral_angle_1_deg | 6.555 |
r_long_range_B_other | 6.32 |
r_long_range_B_refined | 6.318 |
r_scangle_other | 4.729 |
r_scbond_other | 3.212 |
r_scbond_it | 3.211 |
r_mcangle_it | 3.025 |
r_mcangle_other | 3.025 |
r_mcbond_it | 2.206 |
r_mcbond_other | 2.205 |
r_angle_refined_deg | 1.167 |
r_angle_other_deg | 0.418 |
r_chiral_restr | 0.059 |
r_bond_refined_d | 0.004 |
r_gen_planes_refined | 0.004 |
r_bond_other_d | 0.001 |
r_gen_planes_other | 0.001 |
r_dihedral_angle_4_deg | |
r_nbd_refined | |
r_nbd_other | |
r_nbtor_refined | |
r_nbtor_other | |
r_xyhbond_nbd_refined | |
r_xyhbond_nbd_other | |
r_metal_ion_refined | |
r_metal_ion_other | |
r_symmetry_vdw_refined | |
r_symmetry_vdw_other | |
r_symmetry_hbond_refined | |
r_symmetry_hbond_other | |
r_symmetry_metal_ion_refined | |
r_symmetry_metal_ion_other | |
r_scangle_it | |
r_rigid_bond_restr | |
r_sphericity_free | |
r_sphericity_bonded | |
Non-Hydrogen Atoms Used in Refinement |
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Non-Hydrogen Atoms | Number |
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Protein Atoms | 5475 |
Nucleic Acid Atoms | |
Solvent Atoms | 367 |
Heterogen Atoms | 84 |
Software
Software |
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Software Name | Purpose |
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REFMAC | refinement |
Aimless | data scaling |
PHASER | phasing |
XDS | data reduction |