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α-Bungarotoxin, CF® Dye and Other Conjugates

Conjugates of α-Bungarotoxin labeled with a selection of our CF® Dyes and other labels. Labeled α-bungarotoxin conjugates can be used for staining nicotinic acetylcholine receptors at neuromuscular junctions in tissue sections.

Product Attributes

For live or fixed cells

For fixed cells, For live/intact cells

Cell permeability

Membrane impermeant

Fixation options

Fix before staining (methanol), Fix before staining (formaldehyde)

Assay type/options

Tissue staining



Detection method/readout

Fluorescence microscopy


Blue, Green, Orange, Red, Far-red, Near-infrared

Storage Conditions

Store at -10 to -35 °C, Protect from light

Don’t see what you’re looking for? Contact us for more conjugation options.
Note: Due to operating restrictions related to our COVID-19 response, primary antibody conjugates of R-PE, APC, PerCP, HRP, or AP are temporarily unavailable. All other antibody options are still available. We apologize for the inconvenience. Please see our easy-to-use Mix-n-Stain™ Antibody Labeling Kits for labeling antibodies with R-PE, APC, tandem dyes, and enzymes.
Catalog #
100 ug
10 x 50 ug
500 ug
0.5 mg
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Product Description

Alpha-bungarotoxin is a polypeptide snake toxin that binds to the nicotinic acetylcholine receptor found at the neuromuscular junction with high affinity. Fluorescent alpha-bungarotoxin can be used for labeling of nicotinic acetylcholine receptors at neuromuscular junctions in tissue sections. Alpha-bungarotoxin may also be used for detection of GABA A receptor subsets in cells (1), or for labeling recombinant proteins that express the alpha-bungarotoxin binding site (BBS) epitope tag (2).

  • Choose from 9 bright and stable CF® Dye colors or other labels
  • Dye options for super-resolution and 2-photon imaging

We also offer Biotin-XX-alpha-bungarotoxin (catalog. no. 00017), and unconjugated alpha-bungarotoxin.(catalog no. 00010-1). See our complete selection of alpha-Bungarotoxins below.

Superior CF® Dyes

Biotium’s next-generation CF® dyes were designed to be highly water-soluble with advantages in brightness and photostability compared to Alexa Fluor®, DyLight®, and other fluorescent dyes. Learn more about CF® Dyes.

Super-Resolution Microscopy

Many CF® Dyes are compatible with super resolution imaging, CF® Dyes give the best performance for multiple methods. The superior brightness, photostability, and photochemical switching properties of certain CF® Dyes are ideal for 3-D SIM, 3-D STORM, and other super-resolution and single-molecule imaging approaches. Learn more about CF® Dyes for super-resolution microscopy.

α-Bungarotoxin, CF® Dye and Other Conjugates

ConjugationEx/EmSizeCatalog No.Dye Features
UnconjugatedN/A1 mg00010-1
Biotin-XXN/A0.5 mg00017
CF®405S404/431 nm100 ug00002-100ugCF®405S Features
0.5 mg00002
CF®488A490/515 nm100 ug00005-100ugCF®488A Features
0.5 mg00005
CF®543 541/560 nm100 ug00026-100ugCF®543 Features
0.5 mg00026
CF®555555/565 nm100 ug00018-100ugCF®555 Features
0.5 mg00018
CF®568562/583 nm100 ug00006-100ugCF®568 Features
0.5 mg00006
CF®594596/614 nm100 ug00007-100ugCF®594 Features
0.5 mg00007
CF®633630/650 nm100 ug00009-100ugCF®633 Features
0.5 mg00009
CF®640R642/662 nm100 ug00004-100ugCF®640R Features
0.5 mg00004
CF®680R680/701 nm100 ug00003-100ugCF®680R Features
0.5 mg00003
494/518 nm0.5 mg00011
10 x 50 ug00013
553/577 nm0.5 mg00012
10 x 50 ug00014
(Texas Red®)
593/613 nm0.5 mg00015
10 x 50 ug00016


CF is a registered trademark of Biotium, Inc. Alexa Fluor, Texas Red, and DyLight are registered trademarks of Thermo Fisher Scientific.


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  2. Meth. Enzymol., 521, (2013), DOI: 10.1016/B978-0-12-391862-8.00006-5
  3. Sci Adv, 6, 15, (2020), DOI: 10.1126/sciadv.aax8382
  4. Am J Physiol Cell Physiol, (2020) DOI: 10.1152/ajpcell.00453.2019
  5. Biochem Biophys Res Commun., 523, 214, (2020), DOI: 10.1016/j.bbrc.2019.12.011
  6. Front Cell Dev Biol., 8, 15, (2020), DOI: 10.3389/fcell.2020.00015
  7. Biophysics, 64, 772, (2019), DOI: 10.1134/S0006350919050129
  8. Cell Physiol Biochem, 53, 701, (2019), DOI: 10.33594/000000166
  9. Biochemistry (Mosc.), 4, 1085, (2019), DOI: 10.1134/S0006297919090116
  10. Biomaterials, 225, 119537, (2019), DOI: 10.1016/j.biomaterials.2019.119537
  11. ACS Chem. Biol., 13, 2568, (2018), DOI: 10.1021/acschembio.8b00513
  12. Cell Mol Neurobiol, 37, 1443, (2017), DOI: 10.1007/s10571-017-0475-3
  13. Neuroscience, 174, 234, (2011), DOI: 10.1016/j.neuroscience.2010.11.016
  14. Am J of Pathol, 177, 2509 (2010), DOI: 10.2353/ajpath.2010.100243
  15. Cell Tissue Biol, 4, 258, (2010), DOI: 10.1134/S1990519X10030077
  16. Neuroscience, 174, 234, (2009), DOI: 10.1016/j.neuroscience.2010.11.016
  17. J Cell Biol, 150, 1385, (2000), DOI: 10.1083/jcb.150.6.1385
  18. Neuron, 23, 675, (1999), DOI: 10.1016/s0896-6273(01)80027-1
  19. Neuron, 12, 167, (1994), DOI: 10.1016/0896-6273(94)90161-9
  20. J Cell Biol, 125, 661, (1994), DOI: 10.1083/jcb.125.3.661
  21. J Biol Chem, 268, 25108, (1993), PMID: 8227074
  22. Muscle Nerve, 5, 140, (1982), DOI: 10.1002/mus.880050211
  23. PNAS 77, 4823, (1980), DOI: 10.1073/pnas.77.8.4823
  24. Science, 196, 540, (1977), DOI: 10.1126/science.850796

Download a list of CF® dye references.


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