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Protein in Streptomyces avidinii
Streptavidin /ˌstrɛpˈtævɪdɪn/ is a 52 kDa protein (tetramer) purified from the bacterium Streptomyces avidinii. Streptavidin homo-tetramers have an extraordinarily
Streptavidin
Biotechnological modification process to attach Biotin to a molecule
due to the small size of biotin (MW = 244.31 g/mol). Biotin binds to streptavidin and avidin with an extremely high affinity, fast on-rate, and high specificity
Biotinylation
Method which allows the purification and detection of proteins
Streptavidin is a tetrameric protein expressed in Streptomyces avidinii. Because of Streptavidin's high affinity for vitamin H (biotin), Streptavidin
Strep-tag
Type of protein
by binding biotin helpful for bacterial growth. As evidence for this, streptavidin, a related protein with equal biotin affinity and a very similar binding
Avidin
fluorescently-labelled streptavidin or antibodies, respectively. CISH is performed using indirect labelling in which antibodies or streptavidin are conjugated
Chromogenic in situ hybridization
Chromogenic_in_situ_hybridization
Medical laboratory test
cytokine was not washed away when the wells were rinsed. Streptavidin-enzyme conjugate: Streptavidin-enzyme conjugate is added to the wells in order to bind
ELISpot
and then the whole complex was anchored to streptavidin thanks to a specific and strong biotin-streptavidin interaction. The formed ArM can catalyze the
Artificial_metalloenzyme
Chemical compound and essential nutrient
with excess free biotin. The process can also utilize bacteria-derived streptavidin bound to beads, but because it has a higher dissociation constant than
Biotin
Molecule that carries genetic information
template the arrangement of other molecules such as gold nanoparticles and streptavidin proteins. DNA and other nucleic acids are the basis of aptamers, synthetic
DNA
Amino acid sequence
The Streptavidin-Binding Peptide (SBP)-Tag is a 38-amino acid sequence that may be engineered into recombinant proteins. Recombinant proteins containing
SBP-tag
Attractive interaction between two molecules
cases, the associations can be quite strong—for example, the protein streptavidin and the vitamin biotin have a dissociation constant (reflecting the ratio
Molecular_binding
Open-source Java viewer for 3D chemical structures
Jmol Jmol three-dimensional structure rendering of streptavidin Developer Jmol development team Release 2001; 25 years ago (2001) Stable release 16.4.15
Jmol
Type of synthetic peptide
post myocardial infarction, stained with Hoechst 33342 (blue) and biotin-labeled CHP (detected with AlexaFluor647-streptavidin, red). Scale bar: 1 mm.
Collagen_hybridizing_peptide
Method used to detect DNA damage
BLESS, also known as breaks labeling, enrichment on streptavidin and next-generation sequencing, is a method used to detect genome-wide double-strand DNA
BLESS
Technique used for light microscopy
fluorophore-antigen ratio such as the Avidin-Biotin Complex (ABC method) and Labeled Streptavidin-Biotin (LSAB method). Immunofluorescence is only limited to fixed (i
Immunofluorescence
Species of bacterium
is a bacterium species from the genus of Streptomyces which produces streptavidin. List of Streptomyces species LPSN bacterio.net Straininfo of Streptomyces
Streptomyces_avidinii
in the case of DOTA-biotin therapy is one of the proteins avidin and streptavidin. After a time of typically one or two days to let the antibody accumulate
90Y-DOTA-biotin
constants for high-affinity ligand-protein interactions, such as the biotin-streptavidin system, offering a deeper understanding of enzyme-substrate dynamics
Dissociation_rate
non-covalent interactions in nature, which is the interaction of biotin to streptavidin. An intrinsic binding affinity of the Strep-tag towards Strep-Tactin
IBA_Lifesciences
Quaternary-structure protein with 4 subunits
interest and β2M and tetramerized by a fluorescently labeled streptavidin. (Streptavidin binds to four biotins per molecule.) This tetramer reagent will
Tetrameric_protein
Type of artificial cell
dividing on their own. Division has been accomplished in the lab by adding streptavidin for single division events and the use of a mechanical separating mesh
SpudCell
Scanning probe lithographic technique
Streptavidin (4 nm thickness) deposited using microcontact printing
Dip-pen_nanolithography
Artificial peptide attached to protein for marking purpose
biotinylation by the enzyme BirA and so the protein can be isolated by streptavidin (GLNDIFEAQKIEWHE) EPEA-tag, commercially called CaptureSelect C-tag,
Protein_tag
Genomic analysis technique
biotin-marked ligation junctions can be purified more efficiently by streptavidin-coated magnetic beads, and chromatin interaction data can be obtained
Hi-C (genomic analysis technique)
Hi-C_(genomic_analysis_technique)
Patterned silicone piece
Sarfus image of streptavidin deposited by soft lithography with PDMS stamp.
PDMS_stamp
Nanostructures of protein-polymer conjugates
Streptavidin is a protein purified from the bacterium Streptomyces avidinii, which has a high affinity for biotin. By covalently linking streptavidin
Polymer-protein_hybrid
Alternatively, Dynabeads may attach to the cell indirectly, either via streptavidin on the Dynabead linking to a biotinylated primary antibody, or a secondary
Dynabeads
Optical waveguide
it is possible to study the dynamic process of smaller proteins like streptavidin with 24 tryptophan. , The modified zero-mode waveguide with a conical
Zero-mode_waveguide
Single-molecule imaging technique
nucleic acids. Biotinylated DNA is attached to the SLB through biotin–streptavidin binding and can diffuse laterally within the two-dimensional lipid layer
DNA_curtain
Techniques that create structures using stamps
Sarfus image of streptavidin deposited by soft lithography with PDMS stamp.
Soft_lithography
American chemist
TurboID and miniTurbo. In addition, Ting and her lab developed monovalent streptavidin, site-specific biotinylation in mammalian cells, small monovalent quantum
Alice_Y._Ting
Medical diagnostic method
protein called streptavidin. Fluorophore tagged streptavidin is added to the bioengineered MHC monomers, and the biotin-streptavidin interaction causes
Tetramer_assay
strong affinity for biotin (Kd = 10−15 M). In biochemical applications, streptavidin, which also binds very tightly to biotin, may be used interchangeably
NeutrAvidin
Vörös & H. Heinzelmann. Nanoscale dispensing in liquid environment of streptavidin on a biotin-functionalized surface using hollow atomic force microscopy
Fluidic_force_microscopy
Nano-scale semiconductor particles
tracking of molecules and cells over extended periods of time. Antibodies, streptavidin, peptides, DNA, nucleic acid aptamers, or small-molecule ligands can
Quantum_dot
Enzyme catalyzing biotin metabolism
biotinylate that protein at a single, known site. Biotin Biotinylation Streptavidin Acetyl-CoA carboxylase Proximity labeling Chapman-Smith, A.; Mulhern
Biotin—(acetyl-CoA-carboxylase) ligase
Biotin—(acetyl-CoA-carboxylase)_ligase
Small decorative object with central hole
antibodies or DNA to magnetic beads, or by using magnetic beads coated with streptavidin, a specific interaction with the corresponding target is ensured. By
Bead
Field in science
through PCR and then sequenced. The purification step is performed using streptavidin-coated paramagnetic beads which allow minimising the DNA loss during
Ancient_pathogen_genomics
Topics referred to by the same term
interconnect specification Spontaneous bacterial peritonitis SBP-tag (Streptavidin-Binding Peptide-tag), an amino acid sequence Solitary bone plasmacytoma
SBP
Technique in molecular biology
tag-linker-tag structure. Figure 4. The biotinylated PETs are then immobilized on streptavidin-conjugated magnetic beads. Figure 5. PET sequences with AA (CG/CG) and
ChIA-PET
Series of techniques in optical microscopy
Cryogenic Optical Localization in Three Dimensions (COLD) allows to determine the four biotin binding sites in the protein streptavidin.
Super-resolution_microscopy
or bacterial cells. These monomers then bind to a backbone, such as streptavidin or avidin, creating a tetravalent structure. These backbones are conjugated
MHC_multimer
Collection of microscopic DNA spots attached to a solid surface
coupling stage occurs after hybridization, using biotin and labeled streptavidin. The modified nucleotides (usually in a ratio of 1 aaUTP: 4 TTP (thymidine
DNA_microarray
Analytical technique used in molecular biology
labeling an antibody-binding protein like Staphylococcus Protein A or Streptavidin with a radioactive isotope of iodine. Since other methods are safer,
Western_blot
Chemical compound
edotreotide DOTA-TATE or DOTA-(Tyr3)-octreotate Affinity for the proteins streptavidin and avidin, which can be targeted at tumours by aid of monoclonal antibodies:
DOTA_(chelator)
Medical imaging technique
maleimide, or biotin-streptavidin coupling. Biotin-streptavidin is the most popular coupling strategy because biotin's affinity for streptavidin is very strong
Contrast-enhanced_ultrasound
Austrian professor of organic chemistry (born 1939)
(1999) G. Kada, H. Falk and H. Gruber, Accurate Measurement of Avidin and Streptavidin in Crude Biofluids with a New, Optimized Biotin. Fluorescein Conjugate
Heinz_Falk
Molecular biology method used to detect DNA fragmentation
fluorescently-modified nucleotide (i.e., fluorescein-dUTP), or indirectly with streptavidin or antibodies, if biotin-dUTP or BrdUTP are used, respectively. The most
TUNEL_assay
Analytical technique to study proteins
in-gel fluorescence and high-throughput gel-based screens, biotin for streptavidin-based enrichment followed by mass spectrometry, and isotopic labels for
Activity-based_proteomics
amine proteins on the exoskeleton of Daphnia magna were biotinylated and streptavidin was attached to the quantum dots. This allowed for a simple bioconjugation
History of wildlife tracking technology
History_of_wildlife_tracking_technology
Liquid that is attracted by poles of a magnet
Ferrofluids conjugated with antibodies or common capture agents such as Streptavidin (SA) or rat anti-mouse Ig (RAM) are used in immunomagnetic separation
Ferrofluid
Reconstruction of genomes of extinct species
compounds attack the abasic site. The undamaged DNA remains attached to streptavidin-coated paramagnetic beads and can be separated from the sample. This
Paleogenomics
Oligonucleotide or peptide molecules that bind specific targets
durability, are in yellow. The biotin molecule binds with extreme strength to streptavidin, allowing the aptamer to be anchored to other molecules or to a surface
Aptamer
Type of RNA molecules
the substrate. If a molecule possesses the desired ligase activity, a streptavidin matrix can be used to recover the active molecules. Lincoln and Joyce
Ribozyme
Technique for mapping interactions between molecules and their protein targets
containing the biotinylated molecule of interest by incubation with streptavidin magnetic beads, which have a very high affinity for biotin. The enriched
Chem-seq
Laboratory technique
buffer. Cells are lysed and the labeled proteins are pulled down with streptavidin beads. The proteins are digested with trypsin, and finally the resulting
Proximity_labeling
Parts of lagging strand in DNA replication
is blocked either with a complementary primer or a biotin-conjugated streptavidin moiety. DNA ligase seals the nick made by the FEN1 and it creates a functional
Okazaki_fragments
Drug delivery method
and to another molecule on the erythrocyte surface, and then adding streptavidin to bridge the two. Similarly, therapeutic nanoparticles may attach to
Erythrocyte-based drug delivery
Erythrocyte-based_drug_delivery
sequencing was described in 1989 based on binding of biotinylated DNA to streptavidin-coated magnetic beads and elution of single DNA strands selectively using
Solid_phase_sequencing
bond. The magnetic bead is attached to the opposite end via biotin-streptavidin interaction. Such DNA hairpin setup can be made in two ways: 1) In the
Single-molecule magnetic sequencing
Single-molecule_magnetic_sequencing
Species of virus
antibodies and is easily detected using avidin or streptavidin conjugated to a suitable enzyme. Streptavidin has an extremely high affinity for biotin which
Potato_virus_Y
Type of immunostain
this is a biotin linked primary antibody that binds to an enzyme-bound streptavidin. This method can be used to amplify the signal. Example 3. An untagged
Immunoperoxidase
Lab technique in biology and chemistry
biotinylated antibody against a secondary epitope of the protein, followed by a streptavidin-R-phycoerythrin treatment. The fluorescent intensity of R-phycoerythrin
Flow_cytometry
Biotechnology company
contained a 5'-biotin tag for immobilization of the DNA library onto streptavidin-coated beads. After nick repair, the non-biotinylated strand was released
454_Life_Sciences
Genetic testing technique
type of probe, and the type of dye. Fluorescently tagged antibodies or streptavidin are bound to the dye molecule. These secondary components are selected
Fluorescence in situ hybridization
Fluorescence_in_situ_hybridization
Biochemical technique
binding partner that can be linked to an enzyme or fluorophore. The biotin-streptavidin is one commonly used high affinity interaction. The primary antibody
Immunostaining
Movement of molecules into a defined arrangement without outside influence
templates in the assembly of other molecules such as gold nanoparticles and streptavidin proteins. The spontaneous assembly of a single layer of molecules at
Molecular_self-assembly
DNA may be biotinylated and later extracted using streptavidin-coated magnetic beads (streptavidin forms very strong bonds with biotin). To increase the
Zinc_finger_chimera
Uniform polymer particles
Microbeads are pre-coupled with a ligand; a biomolecule such as antibody, streptavidin, protein, antigen, DNA/RNA, or other molecule. There are three steps
Microbead_(research)
Subarea of robotics
with chemical reactions. Currently, a molecular spider that has one streptavidin molecule as an inert body and three catalytic legs is able to start,
Robotic_sensing
Molecular biology technique
labelled with a ligand (e.g. biotin) for which the ligand (e.g., avidin or streptavidin) is attached to the enzyme (e.g. HRP). X-ray film can detect both the
Northern_blot
International research consortium
This entails adding biotin to the 5' cap, and subsequent capture with streptavidin beads after an RNase digestion step to remove single stranded RNA that
FANTOM
Type of unintended effects of genetic modification techniques
This method relies on direct in situ breaks labeling enrichment on streptavidin. Developed in 2013, BLESS is performed by ligating the DSB ends with
Off-target_genome_editing
Particle with size less than 100 nm
living cells. Common address tags are monoclonal antibodies, aptamers, streptavidin, or peptides. These targeting agents should ideally be covalently linked
Nanoparticle
Species of bacterium
Streptococcus iniae Phase contrast micrograph of S. iniae colonies stained with streptavidin-FITC Scientific classification Domain: Bacteria Kingdom: Bacillati Phylum:
Streptococcus_iniae
Chemical compound
interaction has been estimated at ~12 nM (compare to Kd~0.1pM for the biotin-streptavidin interaction). DIG-binding proteins Tinberg et al. designed artificial
Digoxigenin
transfection - start codon - stem-loop - sticky end - stomoxyn - stop codon - streptavidin - stringency - structural motif - sub-cloning - substitution - succinate—citramalate
Index of molecular biology articles
Index_of_molecular_biology_articles
Chemical compound
One other method uses complexes of injected biocytin with avidin or streptavidin, biotin, and then peroxidase. International Union of Pure and Applied
3,3'-Diaminobenzidine
Immunochromatographic testing devices
digoxigenin (DIG) uses anti-DIG antibodies on the gold nanoparticle and streptavidin on the test line. A sandwich LFT that looks for the SARS-Cov-2 spike
Lateral_flow_test
Laboratory technique to separate ions and polar molecules
PMID 10875936. Fairhead, M. (2013). "Plug-and-Play Pairing via Defined Divalent Streptavidins". J Mol Biol. 426 (1): 199–214. doi:10.1016/j.jmb.2013.09.016. PMC 4047826
Ion_chromatography
primary antibodies, specific-specific antibodies, lectins, enzymes, or streptavidin; the linkage between magnetized beads coated materials are cleavable
Immunomagnetic_separation
displays moderate binding affinity for the biotin-binding site of a mutated streptavidin molecule, called Strep-Tactin. For the Streptamer technology, the Strep-Tactin
Streptamer
additional coding sequence for streptavidin (STABLE display). All the newly formed proteins/peptides will be in fusion with streptavidin molecules and bind to
In_vitro_compartmentalization
Biomolecular condensates of mRNA and RNA binding proteins found in eukaryotic cells
thus tagging the proteins within processing bodies with a biotin tag. Streptavidin was then used to isolate the tagged proteins and mass spectrometry to
P-bodies
Family of proteins which produce bioluminescence
Biotinylation will immobilize luciferase on the cell-surface by binding to a streptavidin-biotin complex. This allows luciferase to detect the efflux of ATP from
Luciferase
Set of standards
affinity for streptavidin, and therefore, the binding forms a very strong complex. For visualization, a color tag is attached to the streptavidin. As with
Molecular-weight_size_marker
Biochemical changes to RNA
biotinylated transcripts (transcripts modified with pseudouridine) with streptavidin columns, therefore reducing the library size and increasing sensitivity
Epitranscriptome
Protein created by joining other proteins into a single polypeptide
domains that induce artificial protein di- or multimerization (e.g., streptavidin or leucine zippers). Fusion proteins can also be manufactured with toxins
Fusion_protein
Technique used to study DNA and RNA
nucleic acid(s) are used in these experiments. When using a biotin label, streptavidin conjugated to an enzyme such as horseradish peroxidase is used to detect
Electrophoretic mobility shift assay
Electrophoretic_mobility_shift_assay
Design and manufacture of artificial nucleic acid structures
used to arrange gold nanoparticles on a DX-based array, and to arrange streptavidin protein molecules into specific patterns on a DX array. A non-covalent
DNA_nanotechnology
Use of classical mechanics to model molecular systems
PA (October 2000). "Binding of a diverse set of ligands to avidin and streptavidin: an accurate quantitative prediction of their relative affinities by
Molecular_mechanics
incredibly strongly and selectively to streptavidin. Incubation of biotinylated RNA with beads containing streptavidin allows for the selective purification
Time-resolved_RNA_sequencing
slides are incubated with streptavidin-biotin-peroxidase complex followed by biotinyl-tyramide/hydrogen peroxide and streptavidin-peroxidase. Development
Reverse phase protein lysate microarray
Reverse_phase_protein_lysate_microarray
Technology for examining cells
microfluidic system. (4) cDNA and gDNA samples are then separated using streptavidin beads and processed either via template switching (cDNA) or NEBNext EM-seq
Spatial DNA methylation profiling
Spatial_DNA_methylation_profiling
DNA barcoding technique
barcoded strands. The cDNA lysate produced in step 3 is purified using streptavidin beads that recognize the biotin on barcode B. The complementary cDNA
Deterministic Barcoding in Tissue for Spatial Omics Sequencing
Deterministic_Barcoding_in_Tissue_for_Spatial_Omics_Sequencing
Molecular biology technique
primers are used to synthesize cDNA from mRNA. The cDNA is bound to Streptavidin beads via interaction with the biotin attached to the primers, and is
Serial analysis of gene expression
Serial_analysis_of_gene_expression
(disambiguation) – Steroid therapy – STI481 – STI571 – Stoma – Stomatitis – Streptavidin – Streptozocin – Stromagen – Stromal tumor – Strontium-89 – Sturge–Weber
Index_of_oncology_articles
Post-translational carbohydrate modification of proteins
onto proteins Use click chemistry to link IsoTaG probe to O-GlcNAz Use streptavidin beads to enrich for tagged proteins Treat beads with trypsin to release
O-GlcNAc
Technology for screening small molecule compounds
chemical compounds with submicromolar dissociation constants towards streptavidin and definitely shown the feasibility to construct, perform selections
DNA-encoded_chemical_library
Species of slime mould
visualization standard for immunoblotting based on detection of MCCC1 using streptavidin conjugates. The bacterial genus Legionella includes the species that
Dictyostelium_discoideum
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