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Project Teams:
- Overview
- Anatomy and Histology
- Cryo-Electron Microscopy
- Electron Microscopy
- Flow Cytometry
- Gene Targeting and Transgenics
- Immortalized Cell Line Culture
- Integrative Imaging
- Invertebrate Shared Resource
- Janelia Experimental Technology
- Mass Spectrometry
- Media Prep
- Molecular Genomics
- Primary & iPS Cell Culture
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- Quantitative Genomics
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Reagents
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Biotin-Janelia Fluor® Conjugates
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Multifunctional Biotin- and Drug-Janelia Fluor® Conjugates
Overview
Biotin-Janelia Fluor® conjugates are cell-permeable, fluorescent ligands designed for affinity purification using the HaloTag platform with easy confirmation using imaging. Drug-JF compounds can elicit the translocation of proteins to defined subcellular regions.
Key Benefits
- Live-Cell Compatible
Rhodamine scaffolds ensure efficient intracellular labeling. - Bright and Fluorogenic
Enhanced brightness upon HaloTag binding enables high-contrast imaging. - Outperforms Commercial Biotin Ligands
Streptavidin-compatible biotin moiety allows pulldown of HaloTag-tagged compartments with superior capture compared to existing biotin-HaloTag ligands. - Allows Targeted Translocation of Proteins
Drug-JF conjugates facilitate targeted translocation of proteins to different subcellular regions.
Spotlight Ligands
- JF646-biotin: Bright far-red fluorogenic probe; excellent for mitochondrial capture
- JF635-biotin: Red-shifted probe with high labeling efficiency
- JF608-biotin: Balanced option for multi-organelle imaging
- JF549-biotin: Limited to cell-surface due to poor permeability
Applications
- Biotin-JF646: Bright far-red fluorogenic probe; excellent for mitochondrial capture
- Biotin-JF635: Far-red probe with high fluorogenicity and low background
- Biotin-JF608: An alternative color that is useful in cells and in vivo
- JQ1-JF635: Drives translocation of BRD4 to different subcellular regions
Reference: bioRxiv 2022; doi: https://doi.org/10.1101/2022.07.02.498544
IP Coverage: US Patent Application 18/390,289
Janelia Tech ID: 2023-001
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