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HTRF d2 Labeling Kit

d2 labeling kit tailored for biomolecule labeling and straightforward development of time-resolved fluorescence resonance energy transfer assays.

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Feature	Specification
Application	Labeling

d2 labeling kit tailored for biomolecule labeling and straightforward development of time-resolved fluorescence resonance energy transfer assays.

View product information

Product variant

Unit Size: 1 Kit

Part #:

62D2DPEA

For research use only. Not for use in diagnostic procedures. All products to be used in accordance with applicable laws and regulations including without limitation, consumption, and disposal requirements under European REACH regulations (EC 1907/2006).

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Product information

Overview

The d2 labeling kit is suitable for quick, easy labeling of peptides, proteins, and oligonucleotides with d2.

This kit is designed for very small-volume fast labeling needs, such as determining the best antibody among several antibodies available for HTRF assay development.

The N-hydroxysuccinimide activated d2 supplied reacts with primary amines carried by the biomolecules to label, for simplified conjugation.

The kit includes all the materials necessary for the labeling procedure (except dialysis and concentration devices).

How it works

Assay principle

The labeling procedure is performed under very mild conditions. As shown here, the process comprises an incubation step with the desiccated dye, followed by purification on a disposable column. Both the purification column and the buffer for purifying the conjugate are included in the kit, as well as a calibrator to define the ideal working dilution of the labeled material in HTRF assays. Depending on the molecular weight of the target molecule and the nature of the dye, each kit enables the labeling of 5-25 µg (protein-MW 15 kDa) to 50-250 µg (antibody-MW 150 kDa).

Assay protocol

The labeling procedure is described on the right. 100 µL of the targeted molecule (16.67 µM) in carbonate buffer pH 9.0 are added to the d2 vial. After an incubation of 45 minutes at RT, labeled protein is eluted on an equilibrated column. After having discarded 700 µL of elution buffer, the labeled molecule is collected in 400µL fraction.