Promega

HaloLink(TM) Array Six Slide

Varenummer: G6190
Kort informasjon 6 slides
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Protein arrays enable parallel analysis of multiple protein:protein, protein:drug or protein:nucleic acid interactions. The HaloLink Protein Array System provides a way to create homebrew (on-demand) protein arrays by combining innovative HaloTag technology, surface engineering and cell-free protein expression systems. The HaloTag protein is a mutated hydrolase that forms a covalent bond with HaloTag ligands. Under physiological conditions binding is rapid and highly specific, yielding a complex that is stable even under stringent conditions. Using the HaloLink Protein Array System, HaloTag fusion proteins are expressed in a cell-free expression system and then covalently captured on hydrogel-coated glass slides derivatized with HaloTag Ligands. The fusion proteins are captured directly from the expression reaction mixture without prior purification. Using this approach, multiple fusion proteins can be rapidly synthesized and immobilized in parallel on the slide surface, and an entire experiment including protein expression, custom array formation and protein interaction analysis can be completed in less than eight hours. The HaloLink Array Six Slide System contains HaloLink Slides, HaloLink Array Gaskets and Anti-HaloTag Antibody. To use the Six Slide System you will need to provide your own protein expression system or order the TNT T7 Quick Coupled Transcription/Translation System (Cat.# L1170 or L1171) or TNT SP6 High-Yield Wheat Germ Protein Expression System (Cat.# L3260 or L3261). The HaloTag Standard Protein (Cat.# G4491) is not included with the Six Slide System but can be ordered separately. The HaloTag technology offers a quick and convenient way to test protein expression of HaloTag fusion proteins by labeling with fluorescent HaloTag TMR Ligand followed by SDS-PAGE analysis. Guidelines can be found in the HaloLink Protein Array Technical Manual #TM310. The Protein G HaloTag Fusion Protein (Cat.# G7291) is a protein consisting of recombinant Protein G from Streptococci without the albumin-binding domain and HaloTag protein. The Protein G HaloTag Fusion Protein, which has a molecular weight of 58kDa, can be covalently coupled to different chloroalkane surfaces, reactive and fluorescent HaloTag ligands. This fusion protein enables an oriented attachment of antibodies to the HaloLink Protein Arrays.|
Fast Protein Production: Cell-free expression systems allow quick, single-tube, coupled transcription/translation for the production of the proteins of interest to be used in the protein array experiment.Irreversible Binding of the Captured Protein: Unlike other affinity tags, which tend to dissociate from the surface, HaloTag(R), fusion proteins are covalently bound to the HaloLink(TM); Slide.No Protein Purification Step: The protein of interest is immobilized directly from the cell-free expression reaction.Reduced Nonspecific Binding: HaloLink(TM); Slides have a unique hydrogel coating that is designed to prevent nonspecific binding while preserving the functionality of specifically captured proteins.Extensive Washing Allowed: Covalent binding of HaloTag(R), fusion proteins to the HaloLink(TM); Slide allows extensive, stringent washing that results in reduced background and a lower incidence of false positives.No Need for a Robotic Arrayer: The unique 50-well configuration allows multiple interactions to be studied in parallel without the need for a complex robotic arrayer.Highly Efficient Antibody Binding: Protein G HaloTag(R), Fusion Protein increases the binding of antibodies to surfaces as compared to direct capture method.

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Kontaktperson(er) til dette produktet

Claudia Emmanuel 951 51 950 claudia.emmanuel@nmas.no
Monica Laukas 404 40 960 monica.laukas@nmas.no

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