4ZWG
Crystal structure of the GTP-dATP-bound catalytic core of SAMHD1 phosphomimetic T592E mutant
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 4BZB |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | BATCH MODE | 7.4 | 298 | SPG buffer, PEG 1500 |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.02 | 39.14 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 79.72 | α = 90 |
b = 136.97 | β = 113.96 |
c = 95.843 | γ = 90 |
Symmetry | |
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Space Group | P 1 21 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 | PIXEL | PSI PILATUS 6M | 2014-06-07 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | APS BEAMLINE 24-ID-C | 0.9792 | APS | 24-ID-C |
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) | 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 | 2.3 | 50 | 98.4 | 0.174 | 0.188 | 0.119 | 5.2 | 3.4 | 82062 |
Highest Resolution Shell | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | Rpim I (All) | CC (Half) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | ||||||||||
1 | 2.3 | 2.34 | 97.6 | 0.711 | 0.222 | 3.2 | 4072 |
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 | 4BZB | 2.3 | 50 | 77952 | 4052 | 97.9 | 0.2085 | 0.205 | 0.246 | RANDOM | 39.809 |
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] | |
-0.67 | -1.29 | 2.73 | -0.66 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 38.566 |
r_dihedral_angle_3_deg | 18.457 |
r_dihedral_angle_4_deg | 17.233 |
r_dihedral_angle_1_deg | 5.516 |
r_mcangle_it | 3.859 |
r_mcbond_it | 2.464 |
r_mcbond_other | 2.463 |
r_angle_refined_deg | 1.625 |
r_angle_other_deg | 1.374 |
r_chiral_restr | 0.087 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 15051 |
Nucleic Acid Atoms | |
Solvent Atoms | 206 |
Heterogen Atoms | 372 |
Software
Software | |
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Software Name | Purpose |
HKL-2000 | data scaling |
REFMAC | refinement |
PDB_EXTRACT | data extraction |
PHASER | phasing |
HKL-2000 | data reduction |