FluoTag®-X2 anti-GFAP

Cat No: N3802 Category:


FluoTag-X2 anti-GFAP is a fluorescently conjugated single-domain antibody that recognizes mouse and rat GFAP. The single-domain antibody carries two fluorophores and is equipped with specially designed linkers to work in expansion microscopy or enhance post-staining fixation for applications like dSTORM and DNA-PAINT.

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Glial fibrillary acidic protein (GFAP) belongs to type III intermediate filaments (like vimentin) and is expressed in various cell types throughout the human body. However, in the central nervous system, it is almost exclusively present in astrocytes, resulting in an important marker to differentiate neurons from astrocytes. GFAP is used primarily as an excellent astrocyte cellular marker.

FluoTags® can be equipped with a single fluorophore for more quantitative readouts (FluoTag-Q), with two fluorophores per single-domain antibody (FluoTag-X2), and we also developed a blend of two sdAbs bindings simultaneously the target proteins and each bearing two fluorophores (FluoTag-X4). For more detailed information on the FluoTags, please check our Technology Section.

Amount Conjugation Cat No.
Atto488 200 μl N3802-At488-L
AZDye568 200 μl N3802-AF568-L
Atto643 200 μl N3802-At643-L
Alexa647 200 μl N3802-AF647-L
AbberiorStar635P 200 μl N3802-Ab635P-L
Related Products: -
Clone: 1D12
Host: Alpaca
Produced in: E.coli
Application: IF
Dilution: 1:500 (corresponding to 5 nM final concentration)
Capacity: N/A
Antigen: -
Targets: GFAP
Specificity: Recognizes murine GFAP; other species or isoforms not yet tested.
Formulation: The single sdAb clone was lyophilized from PBS pH 7.4 containing 2% BSA (US-Origin). Reconstitute with 200 µL of 50 % glycerol in deionized water. We recommend including 0.1 % sodium azide as a preservative if applicable. When reconstituted with 200 µl, the concentration of single-domain antibody is 2.5 µM
kDa: -
Ext Coef: -
Shipping: Ambient temperature
Storing: Vials containing lyophilized protein can be stored at 4 °C for 6 months. We recommend reconstituting the protein with 50 % sterile glycerol including 0.1 % sodium azide as preservative if applicable. Minimize the number of freeze-thaw cycles by aliquoting the reconstituted protein. Long term storage at -80 °C for up to 6 months. Working aliquots can be stored at -20 °C for up to 4 weeks. We do not recommend storing the reconstituted protein at 4 °C.

Look at detailed protocols in our Resource Section.


References: -
Notice: To be used in vitro/ for research only. Non-toxic, non-hazardous, non-infectious.
Legal terms: By purchasing this product you agree to our general terms and conditions.