+Open data
-Basic information
Entry | Database: PDB / ID: 2y3e | ||||||
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Title | Traptavidin, apo-form | ||||||
Components | STREPTAVIDIN | ||||||
Keywords | BIOTIN-BINDING PROTEIN / PROTEIN ENGINEERING | ||||||
Function / homology | Function and homology information | ||||||
Biological species | STREPTOMYCES AVIDINII (bacteria) | ||||||
Method | X-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 1.449 Å | ||||||
Authors | Chivers, C.E. / Koner, A.L. / Lowe, E.D. / Howarth, M. | ||||||
Citation | Journal: Biochem.J. / Year: 2011 Title: How the Biotin-Streptavidin Interaction Was Made Even Stronger: Investigation Via Crystallography and a Chimeric Tetramer. Authors: Chivers, C.E. / Koner, A.L. / 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 | 2y3e.cif.gz | 125.8 KB | Display | PDBx/mmCIF format |
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PDB format | pdb2y3e.ent.gz | 98 KB | Display | PDB format |
PDBx/mmJSON format | 2y3e.json.gz | Tree view | PDBx/mmJSON format | |
Others | Other downloads |
-Validation report
Summary document | 2y3e_validation.pdf.gz | 413.1 KB | Display | wwPDB validaton report |
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Full document | 2y3e_full_validation.pdf.gz | 416.2 KB | Display | |
Data in XML | 2y3e_validation.xml.gz | 7.5 KB | Display | |
Data in CIF | 2y3e_validation.cif.gz | 12 KB | Display | |
Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/y3/2y3e ftp://data.pdbj.org/pub/pdb/validation_reports/y3/2y3e | HTTPS FTP |
-Related structure data
Related structure data | 2y3fC 1swbS 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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Noncrystallographic symmetry (NCS) | NCS oper: (Code: given Matrix: (-0.00019, 1, -0.00055), Vector: |
-Components
#1: Protein | Mass: 14169.281 Da / Num. of mol.: 2 / Fragment: RESIDUES 37-163 / Mutation: YES Source method: isolated from a genetically manipulated source Details: STREPTAVIDIN MUTATED TO INCREASE BIOTIN BINDING AFFINITY Source: (gene. exp.) STREPTOMYCES AVIDINII (bacteria) / Production host: ESCHERICHIA COLI (E. coli) / Strain (production host): RIPL / References: UniProt: P22629 #2: Chemical | #3: Water | ChemComp-HOH / | Compound details | ENGINEERED RESIDUE IN CHAIN A, SER 76 TO GLY ENGINEERED RESIDUE IN CHAIN A, ARG 77 TO ASP ...ENGINEERED | |
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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: 2.88 Å3/Da / Density % sol: 57.3 % / Description: NONE |
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Crystal grow | pH: 7.5 Details: 12% PEG 8000, 9% ETHYLENE GLYCOL, 0.1 M HEPES PH 7.5 |
-Data collection
Diffraction | Mean temperature: 100 K |
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Diffraction source | Source: SYNCHROTRON / Site: Diamond / Beamline: I02 / Wavelength: 1 |
Detector | Type: ADSC CCD / Detector: CCD / Date: Dec 6, 2009 Details: KIRKPATRICK BAEZ BIMORPH MIRROR PAIR FOR HORIZONTAL AND VERTICAL FOCUSSING |
Radiation | Monochromator: DOUBLE CRYSTAL / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 1 Å / Relative weight: 1 |
Reflection twin | Operator: -H,K,-L / Fraction: 0.497 |
Reflection | Resolution: 1.45→27.47 Å / Num. obs: 51553 / % possible obs: 97.8 % / Observed criterion σ(I): 2 / Redundancy: 3.6 % / Biso Wilson estimate: 16.65 Å2 / Rmerge(I) obs: 0.05 / Net I/σ(I): 13.6 |
Reflection shell | Resolution: 1.45→1.53 Å / Redundancy: 3.2 % / Rmerge(I) obs: 0.62 / Mean I/σ(I) obs: 2 / % possible all: 87.1 |
-Processing
Software |
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Refinement | Method to determine structure: MOLECULAR REPLACEMENT Starting model: PDB ENTRY 1SWB Resolution: 1.449→27.474 Å / σ(F): 0.02 / Phase error: 21.72 / Stereochemistry target values: TWIN_LSQ_F
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Solvent computation | Shrinkage radii: 0.9 Å / VDW probe radii: 1.11 Å / Solvent model: FLAT BULK SOLVENT MODEL / Bsol: 32.048 Å2 / ksol: 0.344 e/Å3 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Displacement parameters | Biso mean: 33.51 Å2
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Refinement step | Cycle: LAST / Resolution: 1.449→27.474 Å
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Refine LS restraints |
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LS refinement shell |
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