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Open data
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Basic information
Entry | Database: PDB / ID: 1df8 | ||||||
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Title | S45A MUTANT OF STREPTAVIDIN IN COMPLEX WITH BIOTIN | ||||||
![]() | PROTEIN (STREPTAVIDIN) | ||||||
![]() | BINDING PROTEIN / BIOTIN BINDING PROTEIN / BIOTIN | ||||||
Function / homology | ![]() | ||||||
Biological species | ![]() | ||||||
Method | ![]() ![]() | ||||||
![]() | Hyre, D.E. / Le Trong, I. / Freitag, S. / Stenkamp, R.E. / Stayton, P.S. | ||||||
![]() | ![]() Title: Ser45 plays an important role in managing both the equilibrium and transition state energetics of the streptavidin-biotin system. Authors: Hyre, D.E. / Le Trong, I. / Freitag, S. / Stenkamp, R.E. / Stayton, P.S. | ||||||
History |
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Structure visualization
Structure viewer | Molecule: ![]() ![]() |
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Downloads & links
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Download
PDBx/mmCIF format | ![]() | 66.1 KB | Display | ![]() |
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PDB format | ![]() | 48.1 KB | Display | ![]() |
PDBx/mmJSON format | ![]() | Tree view | ![]() | |
Others | ![]() |
-Validation report
Summary document | ![]() | 440.8 KB | Display | ![]() |
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Full document | ![]() | 443.1 KB | Display | |
Data in XML | ![]() | 15.5 KB | Display | |
Data in CIF | ![]() | 22.4 KB | Display | |
Arichive directory | ![]() ![]() | HTTPS FTP |
-Related structure data
Related structure data | ![]() 1swaS 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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2 | ![]()
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Unit cell |
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Components on special symmetry positions |
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Components
#1: Protein | Mass: 13265.336 Da / Num. of mol.: 2 / Fragment: CORE, RESIDUES 13-139 / Mutation: S45A Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() ![]() #2: Chemical | #3: Water | ChemComp-HOH / | |
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-Experimental details
-Experiment
Experiment | Method: ![]() |
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Sample preparation
Crystal | Density Matthews: 1 Å3/Da / Density % sol: 42.46 % | ||||||||||||||||||||
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Crystal grow | Temperature: 294 K / pH: 4.5 Details: 40% SATURATED AMMONIUM SULFATE, 0.1 M SODIUM ACETATE, pH 4.5, temperature 294.K | ||||||||||||||||||||
Crystal grow | *PLUS Method: unknown | ||||||||||||||||||||
Components of the solutions | *PLUS
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-Data collection
Diffraction | Mean temperature: 127 K |
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Diffraction source | Source: ![]() |
Detector | Type: RIGAKU / Detector: IMAGE PLATE / Date: Oct 23, 1998 |
Radiation | Monochromator: GRAPHITE / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 1.5418 Å / Relative weight: 1 |
Reflection | Resolution: 1.5→10 Å / Num. all: 167399 / Num. obs: 30427 / % possible obs: 82.4 % / Observed criterion σ(F): 0 / Observed criterion σ(I): 0 / Redundancy: 5.5 % / Rmerge(I) obs: 0.052 / Net I/σ(I): 2.15 |
Reflection shell | Resolution: 1.5→1.53 Å / Redundancy: 1 % / Rmerge(I) obs: 0.103 / % possible all: 4 |
Reflection | *PLUS Num. measured all: 167399 |
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Processing
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Refinement | Method to determine structure: ![]() Starting model: PDB ENTRY 1SWA Resolution: 1.51→10 Å / Num. parameters: 872 / Num. restraintsaints: 795 / Cross valid method: FREE R / σ(F): 0 / σ(I): 0 / Stereochemistry target values: ENGH AND HUBER
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Refine analyze | Occupancy sum hydrogen: 1695 / Occupancy sum non hydrogen: 2129 | |||||||||||||||||||||||||||||||||
Refinement step | Cycle: LAST / Resolution: 1.51→10 Å
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Refine LS restraints |
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Software | *PLUS Name: SHELXL-97 / Classification: refinement | |||||||||||||||||||||||||||||||||
Refinement | *PLUS Lowest resolution: 10 Å / Num. reflection all: 30298 / σ(F): 4 / % reflection Rfree: 10 % / Rfactor all: 0.169 / Rfactor obs: 0.165 / Rfactor Rfree: 0.217 / Rfactor Rwork: 0.166 | |||||||||||||||||||||||||||||||||
Solvent computation | *PLUS | |||||||||||||||||||||||||||||||||
Displacement parameters | *PLUS | |||||||||||||||||||||||||||||||||
Refine LS restraints | *PLUS
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