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  1. New England Biolabs Cell-Imaging Plasmid Collection

    Type
    Collection
    ...these tags. Plasmids Addgene ID Plasmid Substrate Feature 101137 pSNAP-tag (T7) Vector SNAP-tag Empty ...Plasmid SNAP-tag Control for nuclear localization 101123 pSNAPf-ADRβ2 Control Plasmid SNAP-tag Control...GFP, please refer to this table. Technology SNAP-tag SNAP-tag is based on the human O6-alkylguanine-DNA-...non-cell-permeant proteins. CLIP-tag CLIP-tag is identical in function to SNAP-tag but reacts with benzylcytosine...ACP/MCP-tag Control for cell surface localization Supplemental Information SNAP and CLIP tags SNAP and CLIP... expression under T7 control 101135 pSNAP-tag (m) Vector SNAP-tag Empty backbone for stable and transient...or localization. ACP and MCP tags ACP- and MCP-tags are small protein tags based on the acyl carrier protein...
  2. Live and Let Dye: Self-Labeling Protein Tags

    Type
    Blog Post
    ...became known as SNAP-tag. There is also a fast-reacting version of SNAP-tag called SNAPf. eDHFR: The Virginia...Characterization of the Self-Labeling Protein Tags HaloTag7, SNAP-tag, and CLIP-tag. Biochemistry, 60(33), 2560–2575...than short peptide tags like tetracysteine (Jing & Cornish, 2011). HaloTag and SNAP-tag are the most popular...application, SNAP-tag, CLIP-tag (both 182 aa), and eDHFR (159 aa) are smaller than HaloTag (295 aa) – for...on resorufin). SNAP-tag: In 2003, Kai Johnsson’s lab developed a self-labeling fusion tag based on the ...Although based on the same original enzyme, SNAP-tag and CLIP-tag show good specificity for their own ligands...genetic tag on the protein of interest. Table 1: Summary of popular self-labeling tag systems Tag Size...
  3. Improved Plasmid Maps Powered by SnapGene

    Type
    Blog Post
    ...resistance genes, selectable markers, promoters, origins, tags, and certain ORFs. Their sophisticated detection...powered by GSL Biotech's SnapGene Server Software. With the backing of SnapGene’s sequence viewer software... Overview of SnapGene powered plasmid maps at Addgene  Three factors make our SnapGene powered plasmid...the features you need quickly. SnapGene’s Feature Library - SnapGene’s software seamlessly identifies ...example below. Our old map is on the left while the SnapGene powered map is on the right (click here to see...t detected by our in-house software. In fact, SnapGene’s feature library includes nearly 3x as many features...identify. Improved Restriction Enzyme Handling - SnapGene’s software positions restriction enzyme annotations...
  4. Plasmids 101: Walkthrough of Addgene’s Snapgene-Powered Quality Control Process

    Type
    Blog Post
    ...markers, tags, origins of replication, and fluorescent proteins that are already included in Snapgene’s extensive...through our Snapgene powered maps and sequence analysis tools.     The main ways we use SnapGene for plasmid...version of Snapgene to visualize the sequence and look for features. The first thing that the Snapgene software...software as the desktop version of Snapgene. When you download a Snapgene file directly from our website,...website, you can open it with either the Snapgene viewer or Snapgene Desktop programs to analyze the sequence... plasmids. We’ve also talked about how our new Snapgene generated maps provide improved feature detection...with an easy to use interface. We regularly use Snapgene for our quality control process because of its...
  5. Identifying Sequence Elements with SnapGene's Feature Database

    Type
    Blog Post
    ... who uses SnapGene or the free SnapGene Viewer companion product. If you don’t use SnapGene yet, you can...guest bloggers Aline and Benjamin Glick from SnapGene. SnapGene was created to meet a need. While there were...approach is SnapGene’s algorithm for detecting common features. This algorithm enables one of SnapGene’s most... us at snapgene.com. Many thanks to our guest bloggers Aline and Benjamin Glick from SnapGene!  Ben Glick...Addgene Blog Read about our SnapGene powered plasmid maps Learn how we use SnapGene during the plasmid quality...properties of the DNA molecules they were using. SnapGene was created to alleviate these problems through...make specialized controls available when needed. SnapGene has been engineered to be easy and enjoyable to...
  6. #DeckTheLab to Win a Tasty Winter Treat This Holiday Season

    Type
    Blog Post
    ...wintertime festivities! Help us spread some cheer by snapping a photo of you and your labmates celebrating the... the holidays and tweeting it with the tags #DeckTheLab and @Addgene. Christmas, Hanukkah, ugly sweaters...you name it, we want to see it.      All photos tagged with #DeckTheLab throughout the month of December...
  7. 'Tis the Season to #DeckTheLab

    Type
    Blog Post
    ... Why #DecktheLab? Help us spread some cheer by snapping a photo of you and your labmates celebrating the... the holidays and tweeting it with the tags #DeckTheLab and @Addgene. We’d love to see how you’re decorating...Festivus— you name it, we want to see it! All photos tagged with #DeckTheLab throughout the month of December...
  8. HA Frankenbody, a New Imaging Tool to Visualize Single Molecules and Nascent Peptides

    Type
    Blog Post
    ...other fluorescent proteins and tags including mCherry, HaloTag and SNAP-tag for multi-color imaging. Find...observed colocalization of GFP tagged HA frankenbody with an mCherry, 4xHA tagged histone protein (H2B) in ...could also bind a 1xHA tagged histone protein as well as a mitochondrial protein tagged with spaghetti monster... the 10xHA tag increased the fluorescent signal to noise ratio five fold over the 1xHA tag.  Lastly, the...use GFP to image nascent proteins. In addition GFP tags are large, dim, and permanently attached to a protein...limitations, scientists have co-opted antibodies for tagging purposes. Different antibodies bind different protein... called epitopes and scientists can use these to tag their proteins of interest. Antibody based probes...
  9. Tetbow: Bright Multicolor Labeling for Neuronal Tracing

    Type
    Blog Post
    ... with containing chemical tags such as the SNAP-tag, Halo-tag, and CLIP-tag (Kohl et al., 2014) (Addgene... et al. "Ultrafast tissue staining with chemical tags." Proceedings of the National Academy of Sciences111.36... circuits with fluorescent proteins and chemical tags." eLife 7 (2018): e40350. PubMed PMID: 30454553....
  10. Hot Plasmids - February 2022

    Type
    Blog Post
    ...frankebodies includes mEGFP, mRuby2, iRFP713, SNAP-tag, and HaloTag fusions, while the anti-HA frankenbodies... small epitope tag (FLAG is eight amino acids, HA is nine), multiple repeats of the tag can recruit multiple...b) Schematic of anti-FLAG-FB-GFP binding to FLAG-tag H2B for nuclear localization. (c) Applications of...blotting, and more. Given the popularity of FLAG and HA tags, you may not even need to clone new constructs to.... The proteins, which are purified via histidine tags, are optimized for SDS-PAGE gels and can be detected...frankenbodies include mEGFP, mCherry, and HaloTag. Figure 1: (a) Anti-FLAG frankenbody (FB) construction from...editing within a single expression cassette is advantageous to Cas9’s larger expression requirements (Figure...
  11. Fluorescent Tagging of Endogenous Genes with SapTrap

    Type
    Blog Post
    ...T2A-TurboGFP-PEST), and small epitope tags (HA, Myc, Strep tag II, AviTag, HaloTag, SpyTag). The Foerstemann lab developed...types of fluorescent (EGFP, tagRFP, mCherry) and nonfluorescent (Halo, SNAP) tags, a selectable marker (floxed... scarless tag insertion.   In addition to the obvious advantages SapTrap offers for tagging a single genetic...between the tag and homology arms). Digestion of the donor plasmids with SapI allows the tag, selectable... inserting a tag at multiple target sites. SapTrap vectors can be easily modified to tag hundreds of genes...insertion tagging), developed by the Hornung Lab, allows users to easily create C-terminal tag fusions ...endogenous protein tagging, please visit our website CRISPR/Cas Plasmids - Protein Tagging. Beyond simply...
  12. Better Dyeing Through Chemistry & Small Molecule Fluorophores

    Type
    Blog Post
    ...concept include: Self-labeling tags (e.g., SNAP-tag, HaloTag, TMP-tag) – These widely used systems consist...strategies have two parts: (1) a genetically encoded “tag” expressed as a fusion with your favorite protein...fluorophore-contianing “ligand” that binds to the tag. Like most good ideas in biological imaging, the ...genetically encoded tetracysteine (Cys4) peptide tag could be used to label proteins in cells (Figure ...consist of a genetically encoded enzyme variant tag that reacts specifically and irreversibly with a small... attachment of a fluorophore ligand to a peptide tag (Figure 1c). Click chemistry (e.g., transcyclooctene–tetrazine...paclitaxel. Unlike other systems, no genetically encoded tag is required as the small-molecule binding motif targets...
  13. Special Delivery: Fluorophore Targeting for FRET Studies

    Type
    Blog Post
    ...C-terminal fusion of a tetracysteine tag. In addition, since these tags are so small, one can insert them... lure the ribosome into inserting a fluorophore-tagged amino acid at a stop codon (often amber i.e. UAG...termination at stop codons, expression levels of these tagged proteins are often very low. In addition, a major...which can be carried out using Addgene plasmids. His-tag labeling reagents You may already have a FRET acceptor-binding...: you just don’t know it yet! The poly-histidine tag often used for protein purification is a reliable...for protein purification: the NTA binds to the His tag on your protein and the coupled Cy fluorophore acts...well as by extending the length of the histidine tag from 6 to 10 residues. While these Cy/NTA conjugates...
  14. Illuminating Choices: A Guide to Selecting Fluorescent Dyes and Ligands

    Type
    Blog Post
    ... would be SNAP-tag® and HaloTag®. These consist of a genetically encoded enzyme variant tag that covalently...several advantages to using these self-labeling proteins over traditional fluorescent protein tags, such...endogenous target, and thus no genetically encoded tag is required. These dyes can also be attached to an...ligands have more flexibility due to the affinity tag they typically bind to. Stability of fluorescence...experimental labeling. Size is also a factor. Bulkier tags, such as GFP, may interfere with protein expression...fluorescent experiments, such as using fluorescently tagged ligands or intermolecular FRET for ligand-receptor...should possess high specificity to ensure accurate tagging. In Fluorescence Resonance Energy Transfer (FRET...
  15. Luciferase Plasmids

    Type
    Collection
    ...NanoLuc® with either SNAPtag or HaloTag7 tag in which labeling of the self‐labeling tag with a fluorophore...and Renilla luciferase are less-than-ideal protein tags due to their large size. NanoLuc® Luciferase is ...biosensor that utilizes Renilla luciferase and a Halo tag to assay mRNA decay in real time. pKC-4.04, pKC-4.06...Lentiviral expression of firefly luciferase with a V5 tag Kevin Janes 83281 pAAV-CAG-FLuc Firefly CAG AAV expression...Mammalian expression of Nanoluc with a N-terminal Myc tag Erich Wanker 124701 pLenti-PGK-Venus-Akaluc (neo)...Lentiviral expression of Nanoluc with a N-terminal Myc tag Erich Wanker 115352 pFL-SV40 Firefly SV40 Mammalian...systems. Each type of luciferase has advantages and disadvantages depending on the application. Firefly...
  16. Lentivirus Production

    Type
    Protocol
    ...°C for several hours but should be aliquoted and snap frozen in liquid nitrogen and stored at -80 °C as...L-alanyl-L-glutamine (or alternative stable glutamine such as glutaGRO, Corning 25-015-CI) Low serum medium such as Opti-MEM...L-alanyl-L-glutamine (or stable alternative, such as glutaGRO) To a 500 mL bottle of DMEM high glucose, add ...add 55 mL of heat-inactivated FBS and 5 mL of glutaGRO. Store at 4 °C. Pro-Tip Different brands and lots...transfection to determine what ratio gives the highest percentage of GFP positive cells. Refer to the table below...
  17. Important Considerations When Using AAVs

    Type
    Blog Post
    ... storage, make > 25 μl aliquots in 0.5 ml tubes, snap freeze in liquid nitrogen or a dry ice/ethanol bath...them. There are suspected cases of insertional mutagenesis in humans (1) and AAVs are non-enveloped viruses... Russell, David W. "AAV vectors, insertional mutagenesis, and cancer." Molecular Therapy 15.10 (2007):...
  18. Transferable Skills Guide: Teamwork

    Type
    Blog Post
    ...identify as one.  But some time around 10th grade, I snapped out of the phase of my life that had me listening...the first place? Let’s think about some of the advantages of team-based work: Nobody knows everything anymore...
  19. Avoiding the Dark Side of Fluorescent Protein Fusions with mOX FPs

    Type
    Blog Post
    ...and gram negative bacteria periplasm. Efforts to tag endogenous genes for proteins in these compartments...Munro, Sean, and H. R. Pelham. "Use of peptide tagging to detect proteins expressed from cloned genes:...Avaliable at Addgene Read Our Blog Post on Protein Tags Read Other Posts on Fluorescent Proteins Browse ...our guest bloggers Erik L. Snapp and Lindsey M. Costantini! Erik Lee Snapp received his PhD in Molecular... post was contributed by guest bloggers Erik L. Snapp and Lindsey M. Costantini. "You underestimate the...FP-fusion proteins functionally relative to the untagged protein of interest. To avoid the accumulation...research was conducted in the laboratory of Erik Lee Snapp and focused on optimizing fluorescent proteins for...
  20. Multiplexed Capture of Promoter-enhancer 3D Chromatin Structures Using CRISPR

    Type
    Blog Post
    ... Replace the biotinalatable tag on dCas9 with a BioTAP-tag. The BioTAP-tag is a 69 aa long biotinylation... lentiviruses delivering 1) a BioTAP-tagged dCas9 and an eGFP tag, and 2) gRNAs Number of loci targeted...normally expressed in eukaryotic cells. Using this tag reduces the number of CAPTURE components that need...from three to two. Lentiviral delivery of BioTAP-tagged dCas9 and gRNAs. Using lentiviral delivery of the...system Stable cell line expressing 1) FLAG-biotin-tagged dCas9, 2) BirA, and 3) one or more gRNAs Two separate...et al., 2018). Think of 3C methods as taking a snapshot of chromatin looping with the photo “developed...
Showing: 1 - 20 of 44 results