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- PDB-4tnq: Structural basis of cellular dNTP regulation, SAMHD1-GTP-dTTP-dTT... -
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Open data
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Basic information
Entry | Database: PDB / ID: 4tnq | |||||||||
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Title | Structural basis of cellular dNTP regulation, SAMHD1-GTP-dTTP-dTTP complex | |||||||||
![]() | Deoxynucleoside triphosphate triphosphohydrolase SAMHD1 | |||||||||
![]() | HYDROLASE / SAMHD1 / HIV / restriction factor / dNTPase / dNTP regulation / host pathogen interaction | |||||||||
Function / homology | ![]() Nucleotide catabolism / Hydrolases; Acting on ester bonds; Triphosphoric-monoester hydrolases / deoxynucleoside triphosphate hydrolase activity / triphosphoric monoester hydrolase activity / dGTP binding / dATP catabolic process / dGTPase activity / tetraspanin-enriched microdomain / DNA strand resection involved in replication fork processing / deoxyribonucleotide catabolic process ...Nucleotide catabolism / Hydrolases; Acting on ester bonds; Triphosphoric-monoester hydrolases / deoxynucleoside triphosphate hydrolase activity / triphosphoric monoester hydrolase activity / dGTP binding / dATP catabolic process / dGTPase activity / tetraspanin-enriched microdomain / DNA strand resection involved in replication fork processing / deoxyribonucleotide catabolic process / dGTP catabolic process / negative regulation of type I interferon-mediated signaling pathway / regulation of innate immune response / somatic hypermutation of immunoglobulin genes / RNA nuclease activity / double-strand break repair via homologous recombination / Interferon alpha/beta signaling / site of double-strand break / single-stranded DNA binding / protein homotetramerization / defense response to virus / nucleic acid binding / immune response / innate immune response / DNA damage response / GTP binding / RNA binding / zinc ion binding / nucleoplasm / identical protein binding / nucleus / plasma membrane Similarity search - Function | |||||||||
Biological species | ![]() | |||||||||
Method | ![]() ![]() ![]() | |||||||||
![]() | Ji, X. / Tang, C. / Zhao, Q. / Wang, W. / Xiong, Y. | |||||||||
Funding support | ![]()
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![]() | ![]() Title: Structural basis of cellular dNTP regulation by SAMHD1. Authors: Ji, X. / Tang, C. / Zhao, Q. / Wang, W. / Xiong, Y. | |||||||||
History |
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Structure visualization
Structure viewer | Molecule: ![]() ![]() |
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Downloads & links
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Download
PDBx/mmCIF format | ![]() | 818.8 KB | Display | ![]() |
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PDB format | ![]() | 678.6 KB | Display | ![]() |
PDBx/mmJSON format | ![]() | Tree view | ![]() | |
Others | ![]() |
-Validation report
Summary document | ![]() | 4.2 MB | Display | ![]() |
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Full document | ![]() | 4.2 MB | Display | |
Data in XML | ![]() | 73.9 KB | Display | |
Data in CIF | ![]() | 99.1 KB | Display | |
Arichive directory | ![]() ![]() | HTTPS FTP |
-Related structure data
Related structure data | ![]() 4tnpC ![]() 4tnrC ![]() 4tnxC ![]() 4tnyC ![]() 4tnzC ![]() 4to0C ![]() 4to1C ![]() 4to2C ![]() 4to3C ![]() 4to4C ![]() 4to5C ![]() 4to6C ![]() 4bzbS C: citing same article ( S: Starting model for refinement |
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Similar structure data |
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Links
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Assembly
Deposited unit | ![]()
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Unit cell |
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Noncrystallographic symmetry (NCS) | NCS domain:
NCS domain segments: Component-ID: _ / Beg auth comp-ID: THR / Beg label comp-ID: THR / Refine code: _
NCS ensembles :
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Components
#1: Protein | Mass: 59604.172 Da / Num. of mol.: 4 / Fragment: UNP residues 113-626 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() ![]() References: UniProt: Q9Y3Z3, Hydrolases; Acting on ester bonds; Triphosphoric-monoester hydrolases #2: Chemical | ChemComp-TTP / #3: Chemical | ChemComp-GTP / #4: Chemical | ChemComp-MG / #5: Water | ChemComp-HOH / | |
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-Experimental details
-Experiment
Experiment | Method: ![]() |
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Sample preparation
Crystal | Density Matthews: 2.13 Å3/Da / Density % sol: 42.25 % |
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Crystal grow | Temperature: 298 K / Method: batch mode / Details: SPG buffer, PEG 1500 |
-Data collection
Diffraction | Mean temperature: 100 K | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Diffraction source | Source: ![]() ![]() ![]() | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Detector | Type: PSI PILATUS 6M / Detector: PIXEL / Date: Mar 19, 2014 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Radiation | Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Radiation wavelength | Wavelength: 0.9792 Å / Relative weight: 1 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Reflection | Resolution: 2.55→50 Å / Num. obs: 61164 / % possible obs: 95.4 % / Redundancy: 4.5 % / Rmerge(I) obs: 0.089 / Χ2: 1.105 / Net I/av σ(I): 14.595 / Net I/σ(I): 10.6 / Num. measured all: 277014 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Reflection shell | Diffraction-ID: 1 / Rejects: _
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Processing
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Refinement | Method to determine structure: ![]() Starting model: 4BZB Resolution: 2.55→50 Å / Cor.coef. Fo:Fc: 0.965 / Cor.coef. Fo:Fc free: 0.949 / SU B: 18.789 / SU ML: 0.194 / Cross valid method: THROUGHOUT / σ(F): 0 / ESU R Free: 0.276 / Stereochemistry target values: MAXIMUM LIKELIHOOD Details: HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS U VALUES : RESIDUAL ONLY
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Solvent computation | Ion probe radii: 0.8 Å / Shrinkage radii: 0.8 Å / VDW probe radii: 1.2 Å / Solvent model: MASK | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Displacement parameters | Biso max: 127.63 Å2 / Biso mean: 40.199 Å2 / Biso min: 16.44 Å2
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Refinement step | Cycle: final / Resolution: 2.55→50 Å
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Refine LS restraints |
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Refine LS restraints NCS | Refine-ID: X-RAY DIFFRACTION / Type: interatomic distance / Weight position: 0.05
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LS refinement shell | Resolution: 2.552→2.618 Å / Total num. of bins used: 20
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Refinement TLS params. | Method: refined / Refine-ID: X-RAY DIFFRACTION
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Refinement TLS group |
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