4TNR
Structure basis of cellular dNTP regulation, SAMHD1-GTP-dATP-dATP complex
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 | 298 | SPG buffer, PEG 1500 |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.24 | 45.12 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 84.916 | α = 90 |
b = 141.697 | β = 115.4 |
c = 97.524 | 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 | 2013-09-29 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | NSLS BEAMLINE X25 | 1.1 | NSLS | X25 |
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 | 2.75 | 50 | 99.4 | 0.132 | 7.3 | 3.9 | 54810 |
Highest Resolution Shell | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | ||||||||||||
1 | 2.75 | 2.8 | 99.6 | 3.7 | 2735 |
Refinement
Statistics | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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 | 2.75 | 50 | 53664 | 2727 | 96.27 | 0.2248 | 0.2238 | 0.2422 | RANDOM | 24.566 |
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] | |
5 | -8.03 | 4.63 | -1.38 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 39.469 |
r_dihedral_angle_3_deg | 16.3 |
r_dihedral_angle_4_deg | 15.221 |
r_dihedral_angle_1_deg | 5.298 |
r_mcangle_it | 2.229 |
r_angle_refined_deg | 1.48 |
r_mcbond_it | 1.29 |
r_mcbond_other | 1.29 |
r_angle_other_deg | 0.877 |
r_chiral_restr | 0.09 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 15732 |
Nucleic Acid Atoms | |
Solvent Atoms | 22 |
Heterogen Atoms | 342 |
Software
Software | |
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Software Name | Purpose |
HKL-2000 | data reduction |
REFMAC | refinement |
PDB_EXTRACT | data extraction |