Protein Labeling Reagents
Molecular Probes™ Alexa Fluor™ 750 C5 Maleimide
Alexa Fluor™ 750 is a bright, near-infrared fluorescent dye with excitation ideally suited for the 633 nm laser line or dye-pumped laser excitation.
Invitrogen™ CMNB-Caged Carboxyfluorescein, SE (5-Carboxyfluorescein-Bis-(5-Carboxymethoxy-2-Nitrobenzyl) Ether, β-Alanine-Carboxamide, Succinimidyl Ester)
CMNB-Caged Carboxyfluorescein, SE (5-Carboxyfluorescein-Bis-(5-Carboxymethoxy-2-Nitrobenzyl) Ether, β-Alanine-Carboxamide, Succinimidyl Ester)
Thermo Scientific™ EZ-Link™ TFPA-PEG3-Biotin
Biotinylate molecules without common functional groups for coupling with this efficient, light-activated biotinylation reagent based on tetrafluorophenyl azide.
Thermo Scientific™ EZ-Link™ Iodoacetyl-PEG2-Biotin
Biotinylate reduced cysteines (-SH groups) at high pH with this haloacetyl-activated, sulfhydryl-reactive biotinylation reagent containing polyethylene glycol for solubility.
Thermo Scientific™ EZ-Link™ Hydrazide-PEG4-Biotin
Biotinylate glycoproteins (aldehydes of oxidized sugars) with this mid-length (31.3A), pegylated biotinylation reagent containing a 4-unit PEG spacer for solubility.
Thermo Scientific™ EZ-Link™ NHS-SS-Biotin
Biotinylate protein amines with this cleavable, mid-length (24.3A), NHS-ester biotinylation reagent containing a reducible disulfide bond in the membrane-permeable spacer arm.
Thermo Scientific™ EZ-Link™ NHS-SS-PEG4-Biotin
Biotinylate protein amines with this cleavable, long (37.9A) NHS-ester biotinylation reagent containing a reducible disulfide bond in the pegylated, water-soluble spacer arm.
Thermo Scientific™ EZ-Link™ BMCC-Biotin
Biotinylate reduced cysteines (-SH groups) with a maleimide-activated, sulfhydryl-reactive biotinylation reagent containing a stabilizing cyclohexane group in the spacer arm.
Molecular Probes™ Alexa Fluor™ 488 5-SDP Ester (Alexa Fluor™ 488 Sulfodichlorophenol Ester)
Alexa Fluor™ 488 5-SDP ester (Alexa Fluor™ 488 sulfodichlorophenol ester)
Invitrogen™ TAMRA, SE; 5-(and-6)-Carboxytetramethylrhodamine, Succinimidyl Ester (5(6)-TAMRA, SE), mixed isomers
TAMRA, SE; 5-(and-6)-Carboxytetramethylrhodamine, Succinimidyl Ester (5(6)-TAMRA, SE), mixed isomers
Invitrogen™ Alexa Fluor™ 647 Hydroxylamine
Alexa Fluor™ 647 Hydroxlamine is useful as a cell tracer and as a reactive dye for labeling aldehydes or ketones in polysaccharides or glycoproteins.
Molecular Probes™ Alexa Fluor™ 610-X NHS Ester (Succinimidyl Ester)
Used for stable signal generation in imaging and flow cytometry, Alexa Fluor™ 610-X dye is water soluble and pH-insensitive from pH 4 to pH 10.
Thermo Scientific™ EZ-Link™ Sulfo-NHS-LC-Desthiobiotin, No-Weigh™ Format
Thermo Scientific™ EZ-Link™ Sulfo-NHS-LC-Desthiobiotin No-Weigh™ Format is a long-chain, amine-reactive labeling reagent whose biotin-like group is elutable from streptavidin, making it ideal for purified or cell surface protein labeling and purification.