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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™ Alexa Fluor™ 680 NHS Ester (Succinimidyl Ester)  DFS Item

Alexa Fluor™ 680 is a bright and photostable near-IR dye that is spectrally similar to the Cy5.5 dye.

Shipping Condition Room Temperature
Product Type Dye
Emission 707 nm
Excitation 684 nm
Product Line Alexa Fluor
2

Invitrogen™ Alexa Fluor™ 633 C5 Maleimide  DFS Item

Alexa Fluor™ 633 is a bright, red fluorescent dye with excitation ideally suited to the 633 nm laser line.

3

Thermo Scientific™ DyLight™ 550 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™ 550
Reactive Moiety Active Ester, Succinimidyl Ester, NHS Ester
Solubility DMF (Dimethylformamide)
Emission 576
Excitation 562
Label Type DyLight Fluors
Chemical Reactivity Amine
Product Line DyLight
5

Thermo Scientific™ LanthaScreen™ Thiol Reactive Tb Chelate  DFS Item

LanthaScreen™ Thiol Reactive Tb Chelate

Shipping Condition Dry Ice
Content And Storage LanthaScreen™ TR-FRET Labeling Reagents are provided lyophilized. Store at -20°C, desiccated, and protected from light. After reconstitution, terbium lanthanide chelates should be stored on ice and used within the same day.
Product Type Thiol Reactive Tb Chelate
Product Line LanthaScreen
9

Invitrogen™ BODIPY™ 650/665-X NHS Ester (Succinimidyl Ester)  DFS Item

BODIPY™ 650/665-X dye is bright, far-red fluorescent dye with similar excitation and emission to Cy5 or Alexa Fluor™ 647.

11

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

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

12

Invitrogen™ Tetramethylrhodamine-5-Iodoacetamide Dihydroiodide (5-TMRIA), single isomer  DFS Item

Tetramethylrhodamine-5-Iodoacetamide Dihydroiodide (5-TMRIA), single isomer

13

Invitrogen™ CMNB-Caged Carboxyfluorescein, SE (5-Carboxyfluorescein-Bis-(5-Carboxymethoxy-2-Nitrobenzyl) Ether, β-Alanine-Carboxamide, Succinimidyl Ester)  DFS Item

CMNB-Caged Carboxyfluorescein, SE (5-Carboxyfluorescein-Bis-(5-Carboxymethoxy-2-Nitrobenzyl) Ether, β-Alanine-Carboxamide, Succinimidyl Ester)

15

Molecular Probes™ Alexa Fluor™ Carboxylic Acid, tris(triethylammonium) salts  DFS Item

Alexa Fluor Carboxylic Acid tris(triethylammonium) salts are non-reactive forms of the Alexa Fluor dye that can be used as a reference standard for dye-conjugates. Choose from ten different Alexa Fluor free acid dyes that span the spectrum, from 350 to 750 nm, to meet your research needs.

Content And Storage Store in freezer (-5 to -30°C). Protect from light.
Reactive Moiety Free acid
Quantity 5 mg
Label Type Alexa Fluor
Product Line Alexa Fluor