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Data Sheet

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β-Tubulin (1B6) Antibody ()


Tubulin is a small family of globular proteins in nearly all eukaryotic cells. The most common members of this family are α-tubulin and β-tubulin, the proteins that make up microtubules. To form microtubules, the dimers of α- and β-tubulin bind to GTP and assemble onto the (+) ends of microtubules while in the GTP-bound state. After a dimer is incorporated into microtubule, the molecule of GTP bound to the β-tubulin subunit eventually hydrolyzes into GDP through inter-dimer contacts along the microtubule filament. Thus, the binding of β-tubulin to GTP or GDP influences the formation of microtubules, and GTP cycle is essential for the dynamic instability of microtubule in cells.


This is a mouse monoclonal antibody, which was raised against the full-length β-tubulin of human origin.

Gene Symbol (ID)

TUBB (Human)




Protein A-purified antibodies in 1 × PBS with 0.02% sodium azide.


The β-tubulin (1B6) antibody detects β-tubulin of human and mouse origins. Other species have not been tested yet.

Molecular Weight

50 kDa (β-tubulin), but it appears as ~55 kDa in SDS-PAGE.


Western blotting (WB, dilution range: 1:500 - 5,000). Other applications have not been tested yet.


Keep at 2 - 8°C upon arrival (stable for six months from the date of shipment). For long-term storage, make aliquots and keep them at -20°C or below. Avoid repeated freeze-and-thaw cycles.


>> Western blotting: HT-1080 (A) and NIH/3T3 (B) cell extracts prepared in 1% Triton-X lysis buffer.

Important Note

This product is intended for research use only, not for use in human therapeutic or diagnostic procedures.