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Alexa Fluor® 647 Mouse anti-β-Tubulin, Class III
Product Details
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BD Pharmingen™
tubulin, beta 3; MC1R; TUBB3; TUBB4; tubulin, beta-4
Human (QC Testing), Rat (Reported)
Mouse IgG2a
Rat brain microtubules
Bioimaging, Intracellular staining (flow cytometry) (Routinely Tested)
20 µl
Aqueous buffered solution containing BSA, protein stabilizer, and ≤0.09% sodium azide.

Preparation And Storage

Store undiluted at 4°C and protected from prolonged exposure to light. Do not freeze. The monoclonal antibody was purified from tissue culture supernatant or ascites by affinity chromatography. The antibody was conjugated to Alexa Fluor® 647 under optimum conditions, and unreacted Alexa Fluor® 647 was removed.

Product Notices

  1. Please refer to for technical protocols.
  2. This reagent has been pre-diluted for use at the recommended Volume per Test. We typically use 1 × 10^6 cells in a 100-µl experimental sample (a test).
  3. Alexa Fluor® 647 fluorochrome emission is collected at the same instrument settings as for allophycocyanin (APC).
  4. Alexa Fluor® is a registered trademark of Molecular Probes, Inc., Eugene, OR.
  5. The Alexa Fluor®, Pacific Blue™, and Cascade Blue® dye antibody conjugates in this product are sold under license from Molecular Probes, Inc. for research use only, excluding use in combination with microarrays, or as analyte specific reagents. The Alexa Fluor® dyes (except for Alexa Fluor® 430), Pacific Blue™ dye, and Cascade Blue® dye are covered by pending and issued patents.
  6. For fluorochrome spectra and suitable instrument settings, please refer to our Multicolor Flow Cytometry web page at
  7. Source of all serum proteins is from USDA inspected abattoirs located in the United States.
  8. Caution: Sodium azide yields highly toxic hydrazoic acid under acidic conditions. Dilute azide compounds in running water before discarding to avoid accumulation of potentially explosive deposits in plumbing.
  9. An isotype control should be used at the same concentration as the antibody of interest.
  10. This reagent has been pre-diluted for use at the recommended Volume per Test when following the Recommended Assay Procedure. A Test is typically ~10,000 cells cultured in a well of a 96-well imaging plate.
560394 Rev. 2
Antibody Details
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Microtubules are formed by the self assembly of tubulin and are one of the major components of the eukaryotic cytoskeleton. The two main tubulin isoforms, α - and ß-tubulin, are usually products of separate genes. The ß-tubulin family includes six expressed genes that produce the polypeptide isoforms known as Classes I through VI, each of which have a distinct pattern of expression. Class III ß-tubulin is found in neurons and mammalian testis cells and is widely used as a neuronal marker in developmental neurobiology, neoplasia, and stem cell research. Class III ß-tubulin expression in neuronal and neuroblastic tumors is differentiation dependent, and its expression in certain non-neuronal neoplasms has been associated with poor prognosis and/or resistance to chemotherapy.

560394 Rev. 2
Format Details
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Alexa Fluor™ 647
Alexa Fluor™ 647 Dye is part of the BD red family of dyes. This is a small organic fluorochrome with an excitation maximum (Ex Max) at 653-nm and an emission maximum (Em Max) at 669-nm. Alexa Fluor 647 is designed to be excited by the Red laser (627-640 nm) and detected using an optical filter centered near 520-nm (e.g., a 660/20 nm bandpass filter). Please ensure that your instrument’s configurations (lasers and optical filters) are appropriate for this dye.
Alexa Fluor™ 647
Red 627-640 nm
653 nm
669 nm
560394 Rev.2
Citations & References
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Development References (3)

  1. Geisert EE Jr, Frankfurter A. The neuronal response to injury as visualized by immunostaining of class III beta-tubulin in the rat. Neurosci Lett. 1989; 102(2-3):137-141. (Clone-specific: Immunohistochemistry). View Reference
  2. Katsetos CD, Del Valle L, Geddes JF et al. Aberrant localization of the neuronal class III beta-tubulin in astrocytomas. Arch Pathol Lab Med. 2001; 125(5):613-624. (Clone-specific: Immunocytochemistry (cytospins)). View Reference
  3. Mozzetti S, Ferlini C, Concolino P et al. Class III beta-tubulin overexpression is a prominent mechanism of paclitaxel resistance in ovarian cancer patients. Clin Cancer Res. 2005; 11(1):298-305. (Clone-specific: Immunohistochemistry). View Reference
560394 Rev. 2

Please refer to Support Documents for Quality Certificates

Global - Refer to manufacturer's instructions for use and related User Manuals and Technical data sheets before using this products as described

Comparisons, where applicable, are made against older BD Technology, manual methods or are general performance claims.  Comparisons are not made against non-BD technologies, unless otherwise noted.

For Research Use Only. Not for use in diagnostic or therapeutic procedures.