Protein Labeling Reagents

Various reagents designed to selectively label target proteins. Products include classic dyes, radioisotope labels, biotinylation reagents, fluorescent labels, molecular probes, assays, and labeling kits.

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Thermo Scientific™ EZ-Link™ Hydrazide-Biotin

Biotinylate glycoproteins (aldehydes of oxidized sugars) with this simplest and shortest (15.7A) hydrazide-activated biotinylation reagent.

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Invitrogen™ BODIPY™ TMR-X NHS Ester (Succinimidyl Ester)

BODIPY™ TMR-X dye is bright, orange fluorescent dye with similar excitation and emission to tetramethyrhodamine (TRITC) or Alexa Fluor™ 555 dye.

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Invitrogen™ Click-IT™ Tetramethylrhodamine (TAMRA) Protein Analysis Detection Kit

Supports differential analysis of glycoprotein subclasses, total proteins and total glycoproteins in the same gel

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Invitrogen™ BODIPY™ FL-X NHS Ester (Succinimidyl Ester)

BODIPY™ FL-X dye is bright, green fluorescent dye with similar excitation and emission to fluorescein (FITC) or Alexa Fluor™ 488 dye.

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Thermo Scientific™ Sulfo-SBED Biotin Label Transfer Reagent, No-Weigh™ Format

Chemically tag purified proteins at primary amines to covalently crosslink and transfer biotinylation to protein interaction binding partners.

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Invitrogen™ CPM (7-Diethylamino-3-(4'-Maleimidylphenyl)-4-Methylcoumarin)

The thiol-reactive coumarin, CPM is very weakly fluorescent until reacted with thiols producing a conjugate with excitation/emission maxima of ∼384/470 nm.

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Thermo Scientific™ EZ-Link™ Amine-PEG2-Biotin

Biotinylate proteins or surfaces using EDC or other amine-reactive crosslinkers with this short (20.4A) biotinylation reagent containing a 2-unit polyethylene glycol spacer.