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Yorodumi- PDB-4ro9: 2.0A resolution structure of SRPN2 (S358E) from Anopheles gambiae -
+Open data
-Basic information
Entry | Database: PDB / ID: 4ro9 | ||||||
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Title | 2.0A resolution structure of SRPN2 (S358E) from Anopheles gambiae | ||||||
Components | Serpin 2 | ||||||
Keywords | Hydrolase Inhibitor / serpin / serine protease inhibitor / insect immunity | ||||||
Function / homology | Function and homology information negative regulation of melanization defense response / negative regulation of endopeptidase activity / negative regulation of protein processing / defense response to protozoan / negative regulation of proteolysis / serine-type endopeptidase inhibitor activity / innate immune response / extracellular space Similarity search - Function | ||||||
Biological species | Anopheles gambiae (African malaria mosquito) | ||||||
Method | X-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / molecular replacement / Resolution: 2 Å | ||||||
Authors | Lovell, S. / Battaile, K.P. / Zhang, X. / Meekins, D.A. / An, C. / Michel, K. | ||||||
Citation | Journal: J.Biol.Chem. / Year: 2015 Title: Structural and Inhibitory Effects of Hinge Loop Mutagenesis in Serpin-2 from the Malaria Vector Anopheles gambiae. Authors: Zhang, X. / Meekins, D.A. / An, C. / Zolkiewski, M. / Battaile, K.P. / Kanost, M.R. / Lovell, S. / Michel, K. | ||||||
History |
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-Structure visualization
Structure viewer | Molecule: MolmilJmol/JSmol |
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-Downloads & links
-Download
PDBx/mmCIF format | 4ro9.cif.gz | 222.6 KB | Display | PDBx/mmCIF format |
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PDB format | pdb4ro9.ent.gz | 177.7 KB | Display | PDB format |
PDBx/mmJSON format | 4ro9.json.gz | Tree view | PDBx/mmJSON format | |
Others | Other downloads |
-Validation report
Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/ro/4ro9 ftp://data.pdbj.org/pub/pdb/validation_reports/ro/4ro9 | HTTPS FTP |
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-Related structure data
Related structure data | 4roaC 4rsqC 3pzfS C: citing same article (ref.) S: Starting model for refinement |
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Similar structure data |
-Links
-Assembly
Deposited unit |
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1 |
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2 |
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3 |
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Unit cell |
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Details | There are 3 biological units in the asymmetric unit. |
-Components
#1: Protein | Mass: 45405.629 Da / Num. of mol.: 3 / Mutation: S358E Source method: isolated from a genetically manipulated source Source: (gene. exp.) Anopheles gambiae (African malaria mosquito) Gene: SRPN2 / Plasmid: pET28a / Production host: Escherichia coli (E. coli) / Strain (production host): BL21(DE3) pRare / References: UniProt: Q005N3, UniProt: Q7QIJ8*PLUS #2: Chemical | ChemComp-GOL / | #3: 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: 2.2 Å3/Da / Density % sol: 44.07 % / Mosaicity: 0 ° |
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Crystal grow | Temperature: 293 K / Method: vapor diffusion / pH: 8.5 Details: 20% (w/v) PEG 3350, 100mM Bis-Tris Propane, 200 mM Sodium Malonate, pH 8.5, vapor diffusion, temperature 293K |
-Data collection
Diffraction | Mean temperature: 100 K | |||||||||||||||||||||
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Diffraction source | Source: SYNCHROTRON / Site: APS / Beamline: 17-ID / Wavelength: 1 Å | |||||||||||||||||||||
Detector | Type: DECTRIS PILATUS 6M / Detector: PIXEL / Date: Jan 1, 2012 | |||||||||||||||||||||
Radiation | Protocol: SINGLE WAVELENGTH / Scattering type: x-ray | |||||||||||||||||||||
Radiation wavelength | Wavelength: 1 Å / Relative weight: 1 | |||||||||||||||||||||
Reflection | Resolution: 2→93.15 Å / Num. obs: 80845 / % possible obs: 99.7 % / Observed criterion σ(F): 0 / Observed criterion σ(I): -3 / Redundancy: 3.3 % / Biso Wilson estimate: 32.17 Å2 / Rmerge(I) obs: 0.055 / Net I/σ(I): 13.8 | |||||||||||||||||||||
Reflection shell | Diffraction-ID: 1 / Rejects: 0
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-Phasing
Phasing | Method: molecular replacement |
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-Processing
Software |
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Refinement | Method to determine structure: MOLECULAR REPLACEMENT Starting model: PDB ENTRY 3PZF Resolution: 2→38.183 Å / SU ML: 0.22 / Cross valid method: THROUGHOUT / σ(F): 1.53 / Phase error: 25.31 / Stereochemistry target values: ML
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Solvent computation | Shrinkage radii: 1 Å / VDW probe radii: 1.3 Å / Solvent model: FLAT BULK SOLVENT MODEL | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Displacement parameters | Biso max: 98.51 Å2 / Biso mean: 41.1477 Å2 / Biso min: 18.31 Å2 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Refinement step | Cycle: LAST / Resolution: 2→38.183 Å
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Refine LS restraints |
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LS refinement shell | Refine-ID: X-RAY DIFFRACTION / Total num. of bins used: 29
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