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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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1

Invitrogen™ LysoLight™ sDBCO Reagents

LysoLight sDBCO reagents are engineered for use with SiteClick Duet and Quartet antibody labeling kits. They offer robust and reproducible conjugation without compromising antibody-target affinity.

Shipping Condition Ambient
Content And Storage -25°C to +8°C
Solubility DMSO (Dimethylsulfoxide)
Labeling Method Click Chemistry
Green Features Enhanced stability
For Use With (Application) SiteClick Antibody Labeling
Chemical Reactivity Azide
Detection Method Fluorescence
Labeling Target Azido Modified Antibodies
For Use With (Equipment) Flow Cytometer, Fluorescence Microscope, High Content Analysis Instrument
Product Type Reactive Dye
Reactive Moiety sDBCO alkyne
Label Type LysoLight
Product Line LysoLight
3

Thermo Scientific™ DyLight™ 775-B2 NHS Ester

Label amine-containing molecules for fluorescence imaging or flow cytometry with these benzopyrillium- and cyanine-based, infrared-emitting (633 or 700 laser) NHS ester dyes.

4

Thermo Scientific™ DyLight™ 650 NHS Ester

Label antibodies or other proteins as probes for fluorescence imaging assays with the full spectral range of NHS ester-activated DyLight Dyes.

Labeling Target Proteins
Content And Storage Store desiccated at -20°C.
Product Type Dye
Label or Dye DyLight™ 650
Reactive Moiety Active Ester, Succinimidyl Ester, NHS Ester
Solubility DMF (Dimethylformamide)
Emission 672
Excitation 652
Label Type DyLight Fluors
Chemical Reactivity Amine
Product Line DyLight
6

Invitrogen™ BODIPY™ FL-C5 NHS Ester (Succinimidyl Ester)  DFS Item

BODIPY™ FL-C5 dye is bright, green fluorescent dye with similar excitation and emission to fluorescein (FITC) or Alexa Fluor™ 488 dye.

7

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

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

8

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.

9

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

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

10

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.

13

Thermo Scientific™ EZ-Link™ Alkoxyamine-PEG12-Biotin

Biotinylate glycoproteins (aldehydes of oxidized sugars) with a very long (55.4A), pegylated biotinylation reagent containing a 12-unit PEG spacer for length and solubility.

14

Invitrogen™ Alexa Fluor™ 594 Biocytin, Sodium Salt (Biocytin Alexa Fluor™ 594)  DFS Item

Alexa Fluor™ 594 biocytin, sodium salt (biocytin Alexa Fluor™ 594)

15

Thermo Scientific™ DyLight™ 488, Free Acid  DFS Item

Use these non-activated, carboxylic acid forms of DyLight Dyes as controls and calibration standards in fluorescence imaging applications.