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Open data
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Basic information
| Entry | Database: PDB / ID: 4rxs | ||||||
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| Title | The structure of GTP-dTTP-bound SAMHD1 | ||||||
Components | Deoxynucleoside triphosphate triphosphohydrolase SAMHD1 | ||||||
Keywords | HYDROLASE / HD-domain / dNTP and GTP binding / phosphorylation | ||||||
| Function / homology | Function and homology informationNucleotide catabolism / Hydrolases; Acting on ester bonds; Triphosphoric-monoester hydrolases / deoxynucleoside triphosphate hydrolase activity / dGTP binding / dATP catabolic process / deoxyribonucleotide catabolic process / tetraspanin-enriched microdomain / dGTPase activity / dGTP catabolic process / DNA strand resection involved in replication fork processing ...Nucleotide catabolism / Hydrolases; Acting on ester bonds; Triphosphoric-monoester hydrolases / deoxynucleoside triphosphate hydrolase activity / dGTP binding / dATP catabolic process / deoxyribonucleotide catabolic process / tetraspanin-enriched microdomain / dGTPase activity / dGTP catabolic process / DNA strand resection involved in replication fork processing / negative regulation of type I interferon-mediated signaling pathway / regulation of innate immune response / RNA nuclease activity / somatic hypermutation of immunoglobulin genes / double-strand break repair via homologous recombination / Interferon alpha/beta signaling / single-stranded DNA binding / site of double-strand break / 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 | Homo sapiens (human) | ||||||
| Method | X-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 2.2 Å | ||||||
Authors | Zhu, C.F. / Wei, W. / Peng, X. / Dong, Y.H. / Gong, Y. / Yu, X.F. | ||||||
Citation | Journal: Acta Crystallogr.,Sect.D / Year: 2015Title: The mechanism of substrate-controlled allosteric regulation of SAMHD1 activated by GTP. Authors: Zhu, C.F. / Wei, W. / Peng, X. / Dong, Y.H. / Gong, Y. / Yu, X.F. | ||||||
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Structure visualization
| Structure viewer | Molecule: Molmil Jmol/JSmol |
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Downloads & links
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Download
| PDBx/mmCIF format | 4rxs.cif.gz | 225.2 KB | Display | PDBx/mmCIF format |
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| PDB format | pdb4rxs.ent.gz | 176.3 KB | Display | PDB format |
| PDBx/mmJSON format | 4rxs.json.gz | Tree view | PDBx/mmJSON format | |
| Others | Other downloads |
-Validation report
| Summary document | 4rxs_validation.pdf.gz | 2.5 MB | Display | wwPDB validaton report |
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| Full document | 4rxs_full_validation.pdf.gz | 2.5 MB | Display | |
| Data in XML | 4rxs_validation.xml.gz | 40.8 KB | Display | |
| Data in CIF | 4rxs_validation.cif.gz | 57.8 KB | Display | |
| Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/rx/4rxs ftp://data.pdbj.org/pub/pdb/validation_reports/rx/4rxs | HTTPS FTP |
-Related structure data
| Related structure data | ![]() 4rxoC ![]() 4rxpC ![]() 4rxqC ![]() 4rxrC ![]() 4mz7S S: Starting model for refinement C: citing same article ( |
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| Similar structure data |
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Assembly
| Deposited unit | ![]()
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| 1 | ![]()
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| Unit cell |
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| Noncrystallographic symmetry (NCS) | NCS domain:
NCS domain segments: Component-ID: _ / Ens-ID: 1 / Beg auth comp-ID: ASP / Beg label comp-ID: ASP / End auth comp-ID: TRP / End label comp-ID: TRP / Refine code: _ / Auth seq-ID: 113 - 598 / Label seq-ID: 26 - 511
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Components
| #1: Protein | Mass: 62486.184 Da / Num. of mol.: 2 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Homo sapiens (human) / Gene: SAMHD1, MOP5 / Production host: ![]() References: UniProt: Q9Y3Z3, Hydrolases; Acting on ester bonds; Triphosphoric-monoester hydrolases #2: Chemical | #3: Chemical | ChemComp-TTP / #4: Chemical | #5: Water | ChemComp-HOH / | |
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-Experimental details
-Experiment
| Experiment | Method: X-RAY DIFFRACTION / Number of used crystals: 1 |
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Sample preparation
| Crystal | Density Matthews: 2.6 Å3/Da / Density % sol: 52.73 % |
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| Crystal grow | Temperature: 295 K / Method: vapor diffusion, sitting drop / pH: 5.5 Details: 0.1 M lithium sulfate monohydrate, 0.1M sodium citrate tribasic dihydrate, and 20% w/v polyethylene glycol 1000 , pH 5.5, VAPOR DIFFUSION, SITTING DROP, temperature 295K |
-Data collection
| Diffraction | Mean temperature: 100 K |
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| Diffraction source | Source: SYNCHROTRON / Site: Photon Factory / Beamline: BL-1A / Wavelength: 1.1 Å |
| Detector | Type: DECTRIS PILATUS 2M-F / Detector: PIXEL / Date: Jun 14, 2013 |
| Radiation | Monochromator: cryocooled channel-cut / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
| Radiation wavelength | Wavelength: 1.1 Å / Relative weight: 1 |
| Reflection | Resolution: 2.2→50 Å / Num. all: 65099 / Num. obs: 65099 / % possible obs: 100 % / Observed criterion σ(F): 1.5 / Observed criterion σ(I): 1.5 / Redundancy: 6.8 % / Biso Wilson estimate: 40 Å2 / Rmerge(I) obs: 0.065 / Net I/σ(I): 19.1 |
| Reflection shell | Resolution: 2.2→2.24 Å / Rmerge(I) obs: 0.637 / Mean I/σ(I) obs: 1.7 / % possible all: 100 |
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Processing
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| Refinement | Method to determine structure: MOLECULAR REPLACEMENTStarting model: 4MZ7 Resolution: 2.2→50 Å / Cor.coef. Fo:Fc: 0.962 / Cor.coef. Fo:Fc free: 0.95 / SU B: 6.969 / SU ML: 0.164 / Cross valid method: THROUGHOUT / σ(F): 1 / σ(I): 1 / ESU R: 0.242 / ESU R Free: 0.185 / Stereochemistry target values: MAXIMUM LIKELIHOOD
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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 mean: 50.537 Å2
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| Refinement step | Cycle: LAST / Resolution: 2.2→50 Å
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| Refine LS restraints |
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Homo sapiens (human)
X-RAY DIFFRACTION
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