+Open data
-Basic information
Entry | Database: PDB / ID: 4bx7 | ||||||
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Title | trans-divalent streptavidin bound to biotin-4-fluorescein | ||||||
Components | (STREPTAVIDIN) x 2 | ||||||
Keywords | BIOTIN-BINDING PROTEIN / AVIDIN / BIOTIN | ||||||
Function / homology | Function and homology information | ||||||
Biological species | STREPTOMYCES AVIDINII (bacteria) | ||||||
Method | X-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 2.26 Å | ||||||
Authors | Fairhead, M. / Krndija, D. / Lowe, E.D. / Howarth, M. | ||||||
Citation | Journal: J.Mol.Biol. / Year: 2014 Title: Plug-and-Play Pairing Via Defined Divalent Streptavidins. Authors: Fairhead, M. / Krndija, D. / Lowe, E.D. / Howarth, M. | ||||||
History |
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Remark 700 | SHEET DETERMINATION METHOD: DSSP THE SHEETS PRESENTED AS "AA" IN EACH CHAIN ON SHEET RECORDS BELOW ... SHEET DETERMINATION METHOD: DSSP THE SHEETS PRESENTED AS "AA" IN EACH CHAIN ON SHEET RECORDS BELOW IS ACTUALLY AN 8-STRANDED BARREL THIS IS REPRESENTED BY A 9-STRANDED SHEET IN WHICH THE FIRST AND LAST STRANDS ARE IDENTICAL. THE SHEETS PRESENTED AS "BA" IN EACH CHAIN ON SHEET RECORDS BELOW IS ACTUALLY AN 8-STRANDED BARREL THIS IS REPRESENTED BY A 9-STRANDED SHEET IN WHICH THE FIRST AND LAST STRANDS ARE IDENTICAL. |
-Structure visualization
Structure viewer | Molecule: MolmilJmol/JSmol |
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-Downloads & links
-Download
PDBx/mmCIF format | 4bx7.cif.gz | 106.5 KB | Display | PDBx/mmCIF format |
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PDB format | pdb4bx7.ent.gz | 82.3 KB | Display | PDB format |
PDBx/mmJSON format | 4bx7.json.gz | Tree view | PDBx/mmJSON format | |
Others | Other downloads |
-Validation report
Summary document | 4bx7_validation.pdf.gz | 678.2 KB | Display | wwPDB validaton report |
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Full document | 4bx7_full_validation.pdf.gz | 678.8 KB | Display | |
Data in XML | 4bx7_validation.xml.gz | 11.9 KB | Display | |
Data in CIF | 4bx7_validation.cif.gz | 15.6 KB | Display | |
Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/bx/4bx7 ftp://data.pdbj.org/pub/pdb/validation_reports/bx/4bx7 | HTTPS FTP |
-Related structure data
Related structure data | 4bx5C 4bx6C 3ry1S 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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Unit cell |
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Components on special symmetry positions |
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-Components
#1: Protein | Mass: 13321.397 Da / Num. of mol.: 1 / Mutation: YES Source method: isolated from a genetically manipulated source Details: DEAD VARIANT / Source: (gene. exp.) STREPTOMYCES AVIDINII (bacteria) / Production host: ESCHERICHIA COLI (E. coli) / Strain (production host): BL21(DE3) / Variant (production host): RIPL / References: UniProt: P22629 |
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#2: Protein | Mass: 14056.019 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) STREPTOMYCES AVIDINII (bacteria) / Production host: ESCHERICHIA COLI (E. coli) / Strain (production host): BL21(DE3) / Variant (production host): RIPL / References: UniProt: P22629 |
#3: Chemical | ChemComp-MPD / ( |
#4: Chemical | ChemComp-B4F / |
#5: Water | ChemComp-HOH / |
-Experimental details
-Experiment
Experiment | Method: X-RAY DIFFRACTION / Number of used crystals: 1 |
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-Sample preparation
Crystal | Density Matthews: 2.42 Å3/Da / Density % sol: 48.8 % / Description: NONE |
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Crystal grow | Temperature: 277 K / Method: vapor diffusion, sitting drop / pH: 4 Details: 65% V/V MPD, 0.1 M MES PH 4.0. CRYSTALS WERE OBTAINED BY THE SITTING-DROP VAPOR-DIFFUSION METHOD AT 277 K, REACHED A MAXIMUM SIZE AFTER 14 DAYS AND WERE HARVESTED SOON AFTER |
-Data collection
Diffraction | Mean temperature: 100 K |
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Diffraction source | Source: SYNCHROTRON / Site: Diamond / Beamline: I04-1 / Wavelength: 0.92 |
Detector | Type: ADSC CCD / Detector: CCD / Date: Oct 7, 2012 |
Radiation | Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 0.92 Å / Relative weight: 1 |
Reflection | Resolution: 2.26→49.06 Å / Num. obs: 12059 / % possible obs: 99.8 % / Observed criterion σ(I): 2 / Redundancy: 9.6 % / Biso Wilson estimate: 42.43 Å2 / Rmerge(I) obs: 0.08 / Net I/σ(I): 18.95 |
Reflection shell | Resolution: 2.26→2.34 Å / Redundancy: 10 % / Rmerge(I) obs: 0.75 / Mean I/σ(I) obs: 3.26 / % possible all: 99.4 |
-Processing
Software |
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Refinement | Method to determine structure: MOLECULAR REPLACEMENT Starting model: PDB ENTRY 3RY1 Resolution: 2.26→49.064 Å / SU ML: 0.21 / σ(F): 1.34 / Phase error: 24.02 / Stereochemistry target values: ML / Details: DISORDERED REGIONS WERE MODELED STEREOCHEMICALLY
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Solvent computation | Shrinkage radii: 0.9 Å / VDW probe radii: 1.11 Å / Solvent model: FLAT BULK SOLVENT MODEL | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Displacement parameters | Biso mean: 45.1 Å2 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Refinement step | Cycle: LAST / Resolution: 2.26→49.064 Å
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Refine LS restraints |
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LS refinement shell |
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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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