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Open data
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Basic information
Entry | Database: PDB / ID: 1swn | ||||||
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Title | CORE-STREPTAVIDIN MUTANT W108F IN COMPLEX WITH BIOTIN AT PH 7.0 | ||||||
![]() | CORE-STREPTAVIDIN | ||||||
![]() | BIOTIN-BINDING PROTEIN | ||||||
Function / homology | ![]() | ||||||
Biological species | ![]() | ||||||
Method | ![]() ![]() | ||||||
![]() | Freitag, S. / Le Trong, I. / Chilkoti, A. / Klumb, L.A. / Stayton, P.S. / Stenkamp, R.E. | ||||||
![]() | ![]() Title: Structural studies of binding site tryptophan mutants in the high-affinity streptavidin-biotin complex. Authors: Freitag, S. / Le Trong, I. / Chilkoti, A. / Klumb, L.A. / Stayton, P.S. / Stenkamp, R.E. #1: ![]() Title: Thermodynamic and Structural Consequences of Flexible Loop Deletion by Circular Permutation in the Streptavidin-Biotin System Authors: Chu, V. / Freitag, S. / Le Trong, I. / Stenkamp, R.E. / Stayton, P.S. #2: ![]() Title: Structural Studies of the Streptavidin Binding Loop Authors: Freitag, S. / Le Trong, I. / Klumb, L. / Stayton, P.S. / Stenkamp, R.E. | ||||||
History |
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Structure visualization
Structure viewer | Molecule: ![]() ![]() |
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Downloads & links
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Download
PDBx/mmCIF format | ![]() | 102.7 KB | Display | ![]() |
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PDB format | ![]() | 79.2 KB | Display | ![]() |
PDBx/mmJSON format | ![]() | Tree view | ![]() | |
Others | ![]() |
-Validation report
Summary document | ![]() | 461.1 KB | Display | ![]() |
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Full document | ![]() | 467.4 KB | Display | |
Data in XML | ![]() | 21.5 KB | Display | |
Data in CIF | ![]() | 29.5 KB | Display | |
Arichive directory | ![]() ![]() | HTTPS FTP |
-Related structure data
Related structure data | ![]() 1swhC ![]() 1swjC ![]() 1swkC ![]() 1swlC ![]() 1swoC ![]() 1swpC ![]() 1swqC ![]() 1swrC ![]() 1swaS S: Starting model for refinement C: citing same article ( |
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Similar structure data |
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Links
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Assembly
Deposited unit | ![]()
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Unit cell |
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Noncrystallographic symmetry (NCS) | NCS oper:
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Components
#1: Protein | Mass: 13242.301 Da / Num. of mol.: 4 / Mutation: W108F 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: 2.37 Å3/Da / Density % sol: 48 % | ||||||||||||||||||||||||||||||
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Crystal grow | pH: 7 / Details: pH 7.0 | ||||||||||||||||||||||||||||||
Crystal grow | *PLUS Method: vapor diffusion | ||||||||||||||||||||||||||||||
Components of the solutions | *PLUS
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-Data collection
Diffraction | Mean temperature: 295 K |
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Diffraction source | Source: ![]() |
Detector | Type: SIEMENS / Detector: AREA DETECTOR / Date: Nov 21, 1996 |
Radiation | Monochromator: GRAPHITE(002) / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 1.5418 Å / Relative weight: 1 |
Reflection | Highest resolution: 2.3 Å / Num. obs: 19696 / % possible obs: 87 % / Observed criterion σ(I): 1 / Rmerge(I) obs: 0.056 / Net I/σ(I): 13.8 |
Reflection shell | Resolution: 2.3→2.4 Å / Rmerge(I) obs: 0.33 / Mean I/σ(I) obs: 3.1 / % possible all: 35 |
Reflection | *PLUS Num. measured all: 84710 |
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Processing
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Refinement | Method to determine structure: ![]() Starting model: PDB ENTRY 1SWA Resolution: 2.2→10 Å / Num. parameters: 14999 / Num. restraintsaints: 14914 / Cross valid method: RFREE / σ(F): 0 / Stereochemistry target values: ENGH AND HUBER Details: LOOP RESIDUES 45-48 IN CHAIN B ARE DISORDERED AND NOT INCLUDED IN THE MODEL. LOOP RESIDUES 45-52 WERE REFINED WITH AN OCCUPANCY OF 0.5 IN CHAIN C.
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Solvent computation | Solvent model: MOEWS & KRETSINGER, J.MOL.BIOL.91(1973)201-2 | |||||||||||||||||||||||||||||||||
Refine analyze | Num. disordered residues: 0 / Occupancy sum hydrogen: 3315.5 / Occupancy sum non hydrogen: 3716 | |||||||||||||||||||||||||||||||||
Refinement step | Cycle: LAST / Resolution: 2.2→10 Å
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Refine LS restraints |
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Software | *PLUS Name: SHELXL-97 / Classification: refinement | |||||||||||||||||||||||||||||||||
Refinement | *PLUS Rfactor obs: 0.16 / Rfactor Rfree: 0.246 | |||||||||||||||||||||||||||||||||
Solvent computation | *PLUS | |||||||||||||||||||||||||||||||||
Displacement parameters | *PLUS Biso mean: 29 Å2 | |||||||||||||||||||||||||||||||||
Refine LS restraints | *PLUS Type: s_plane_restr / Dev ideal: 0.015 |