6TXE
Crystal structure of tetrameric human wt-SAMHD1 (residues 109-626) with GTP, dATP, dTMPNPP and Mg
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 6TXA |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, SITTING DROP | 6 | 293 | 0.1 M Bistris methane-HCl pH 6, 19% (w/v) PEG 3350, 0.15 M Li2SO4 |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.39 | 48.61 |
Crystal Data
Unit Cell | |
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Length ( ? ) | Angle ( ? ) |
a = 97.482 | ¦Á = 90 |
b = 172.232 | ¦Â = 95.31 |
c = 275.271 | ¦Ã = 90 |
Symmetry | |
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Space Group | P 1 21 1 |
Diffraction
Diffraction Experiment | ||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol | |||||
1 | 1 | x-ray | 100 | PIXEL | DECTRIS PILATUS 6M-F | 2017-03-12 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | DIAMOND BEAMLINE I04 | 0.97950 | Diamond | I04 |
Data Collection
Overall | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (Observed) | Rrim I (All) | Rpim I (All) | CC (Half) | 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 | 3.186 | 91.364 | 91.364 | 0.433 | 0.467 | 0.175 | 0.96 | 4.7 | 7 | 80315 | 50.1 |
Highest Resolution Shell | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | Rrim I (All) | Rpim I (All) | CC (Half) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | ||||||||
1 | 3.186 | 3.63 | 76.2 | 1.161 | 1.257 | 0.476 | 0.668 | 1.7 | 6.7 |
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 | MOLECULAR REPLACEMENT | THROUGHOUT | 6TXA | 3.19 | 91.22 | 76240 | 4073 | 53.35 | 0.2196 | 0.2179 | 0.2518 | RANDOM | 64.692 |
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] | |
-1.33 | 0.62 | 3.52 | -2.27 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 35.696 |
r_dihedral_angle_4_deg | 15.255 |
r_dihedral_angle_3_deg | 14.018 |
r_dihedral_angle_1_deg | 5.502 |
r_angle_refined_deg | 1.411 |
r_angle_other_deg | 1.008 |
r_chiral_restr | 0.073 |
r_bond_refined_d | 0.01 |
r_gen_planes_refined | 0.006 |
r_bond_other_d | 0.002 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 61116 |
Nucleic Acid Atoms | |
Solvent Atoms | |
Heterogen Atoms | 1559 |
Software
Software | |
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Software Name | Purpose |
XDS | data reduction |
Aimless | data scaling |
STARANISO | data scaling |
PHASER | phasing |
REFMAC | refinement |
PDB_EXTRACT | data extraction |