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Beijing SBS Genetech Co.,Ltd.
Beijing SBS Genetech Co.,Ltd.
broken image

from China, for the World

for Superior Biology Services since 2000

  • Home
  • Product 
    • All Products
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    • Catalog Products
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HPG Protein Synthesis Kit with Alexa Fluor 647

HPG Protein Synthesis Kit with Alexa Fluor 647

$525.00 - $1,570.00
HPG Protein Synthesis Kit with Alexa Fluor 647, also known as the HPG-594 Nascent Protein Assay Kit, is based on the incorporation of HPG (L-homopropargylglycine), an analog of methionine, during protein synthesis. Subsequently, through a click reaction, HPG is labeled with Alexa Fluor 594, enabling simple, rapid, and highly sensitive detection of newly synthesized proteins.
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Cat. No.: HPG647-500 (for 500T)

Cat. No.: HPG647-2k (for 2000T)

 

 

Description

HPG Protein Synthesis Kit with Alexa Fluor 647, also known as the HPG-647 Nascent Protein Assay Kit, is based on the incorporation of HPG (L-homopropargylglycine), an analog of methionine, during protein synthesis. Subsequently, through a click reaction, HPG is labeled with Alexa Fluor 594, enabling simple, rapid, and highly sensitive detection of newly synthesized proteins.

This assay kit allows for in situ detection of newly synthesized proteins in cultured live cells, and quantitatively measures their synthesis. The detection process requires no radioactive isotopes (such as 35S-methionine) or antibodies, only a straightforward two-step reaction. Newly synthesized proteins, also known as nascent proteins or newly generated proteins, exhibit bright red fluorescence under fluorescence microscopy, laser confocal microscopy, or fluorescence plate readers, suitable for high-content screening (HCS).

HPG (L-homopropargylglycine) is an analog of methionine. HPG substitutes methionine during protein synthesis, and its alkyne group can undergo a copper-catalyzed covalent reaction with fluorescently labeled small molecule azide probes (such as Azide Alexa Fluor 488, Azide Alexa Fluor 555, Azide Alexa Fluor 594, Azide Alexa Fluor 647), forming a stable triazole ring. This highly efficient reaction, termed click reaction, enables the labeling of newly synthesized proteins with corresponding fluorescent probes, detectable using appropriate fluorescence detection equipment.

 

Features

  • This kit offers a simple reaction process and high detection sensitivity. It is based on an efficient click reaction that requires no special temperature conditions. With only a small amount of small molecule azide probes, HPG incorporated into newly synthesized proteins can be effectively labeled. The kit allows for the detection of protein synthesis in single cells as well as overall quantitative detection of protein synthesis.
  • The kit is convenient to use and highly compatible. It requires only standard paraformaldehyde fixation and Triton X-100 permeabilization to allow the azide probes to enter the cells and undergo the click reaction effectively. This process does not affect cell morphology, does not produce unwanted byproducts, does not interfere with antibody-based immunofluorescence and immunohistochemistry assays, and does not affect DNA fluorescence staining (such as PI staining for cell cycle detection, DAPI, or Hoechst dyes for nuclear staining).
  • The detection process is quick. The kit can detect newly synthesized proteins in just 1.5-2 hours.

 

Storage Conditions

Store at -20ºC, valid for one year. Azide 647 and Hoechst 33342 must be stored protected from light.

 

Precautions

  • When preparing the Click Additive solution, properly aliquot and freeze. If a white precipitate forms after dissolving, invert the container several times until fully dissolved before use. If the solution turns brown, the component has become ineffective and should be discarded.
  • If you need to use anisomycin as a control, you can order Anisomycin (JNK Activator).
  • If you need more HPG, you can order L-Homopropargylglycine (HPG) (≥98%, BioReagent).
  • Culture media and serum containing methionine will competitively affect the incorporation of HPG, thus influencing fluorescence intensity. It is recommended to use DMEM high glucose medium (without methionine) or RPMI 1640 medium (without methionine).
  • As endogenous methionine cannot be removed from animal tissues, this kit is not recommended for detecting animal tissue samples.
  • Since this product requires copper ion catalysis for the click reaction, please note the following compatibility issues and solutions. This product is fully compatible with organic dyes such as the Alexa Fluor® series, standard dyes, and Fluorescein (FITC), Allophycocyanin (APC), and APC-e-tandem dyes. For Qdot® nanocrystal probes, Horseradish peroxidase (HRP), R-phycoerythrin (R-PE), and R-PE-tandem dyes such as Alexa Fluor® 680-R-PE, reactions and detection should be carried out after the click reaction is complete. This product will affect the fluorescence of GFP, RFP, mCherry, and other fluorescent proteins. For fluorescent proteins such as Green Fluorescent Protein (GFP), TC-FlAsH™, and TC-ReAsH™ reagents, reactions and detection should be done before the click reaction. Since Phalloidin (Phallotoxin) is not compatible with the click reaction, it is recommended to use Tubulin-Tracker Red (Antibody-based Microtubule Red Fluorescent Probe) for cell microtubule detection.
  • This product is for scientific research by professionals only and is not to be used for clinical diagnosis or treatment, food, or drugs. Do not store in a residential area.
  • For your safety and health, wear a lab coat and disposable gloves during operation.

 

 

 
 
Only for research and not intended for treatment of humans or animals
 
 

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SBS Genetech is a long-term sponsor of Cold Spring Harbor Laboratory

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