HDAC inhibitor
Tubacin (tubulin acetylation inducer) is a highly potent and selective, reversible, cell-permeable inhibitor of HDAC6 (IC50=0.004µM). IC50‘s for the other HDACs are 1000-fold higher, making tubacin both more selective and more potent than Tubastatin A, which also inhibits HDAC8. Concentration in cell culture experiments typically ranges from 2-50µM.
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Product Details
Alternative Name |
N-(4-{(2R,4R,6S)-4-{[(4,5-diphenyl-1,3-oxazol-2-yl)sulfanyl]methyl}-6-[4-(hydroxymethyl)phenyl]-1,3-dioxan-2-yl}phenyl)-N’-hydroxyoctanediamide |
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Appearance |
White solid. |
CAS |
537049-40-4 |
Couple Target |
HDAC, HDAC6 |
Couple Type |
Inhibitor |
Formula |
C41H43N3O7S |
MW |
721.9 |
Purity |
≥96% (ELSD) |
Solubility |
Soluble in DMSO (10 mg/ml). |
Source |
Synthetic. |
Handling & Storage
Use/Stability |
As indicated on product label or CoA when stored as recommended. Stable for at least 1 year after receipt when stored at -80°C. |
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Short Term Storage |
-20°C |
Long Term Storage |
-80°C |
Shipping |
Dry Ice |
Regulatory Status |
RUO – Research Use Only |
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- A live-cell marker to visualize the dynamics of stable microtubules throughout the cell cycle: K.I. Jansen, et al.; J. Cell Biol. 222, e202106105 (2023), Abstract
- Histone deacetylase-6 modulates the effects of 4°C platelets on vascular endothelial permeability: B. Miyazawa, et al.; Blood Adv. 7, 1241 (2023), Abstract
- Inhibition of HDAC6 Activity Protects Against Endothelial Dysfunction and Atherogenesis in vivo: A Role for HDAC6 Neddylation: Y. Nomura, et al.; Front. Physiol. 12, 675724 (2021), Abstract
- HDAC6 mediates an aggresome-like mechanism for NLRP3 and pyrin inflammasome activation: Magupalli, V. G., Negro, R., et al.; Science 369, (2020), Abstract
- LC3A Silencing Hinders Aggresome Vimentin Cage Clearance in Primary Choroid Plexus Carcinoma: M. Nassar, et al.; Sci. Rep. 7, 8022 (2017), Application(s): Measurement of cell index against different concentration, Abstract — Full Text
- Neurotoxic mechanisms of paclitaxel are local to the distal axon and independent of transport defects: Gornstein, E. L., Schwarz, T. L., et al.; Exp. Neurol. 288, 153 (2017), Abstract
- Limited efficacy of specific HDAC6 inhibition in urothelial cancer cells: Rosik, L., Niegisch, G., et al.; Cancer Biol. Ther. 15, 742 (2014), Abstract
- Tenovin-D3, a novel small-molecule inhibitor of sirtuin SirT2, increases p21 (CDKN1A) expression in a p53-independent manner: McCarthy, A. R., Sachweh, M. C., et al.; Mol. Cancer Ther. 12, 352 (2013), Abstract
- Rational design and simple chemistry yield a superior, neuroprotective HDAC6 inhibitor, Tubastatin A: K.V. Butler, et al.; J. Am. Chem. Soc. 370, 10842 (2010), Abstract
- Selective inhibition of histone deacetylase 6 (HDAC6) induces DNA damage and sensitizes transformed cells to anticancer agents: M. Namdar, et al.; Proc. Natl. Acad. Sci. USA 107, 20003 (2010), Abstract — Full Text
- Tubacin kills Epstein-Barr virus (EBV)-Burkitt lymphoma cells by inducing reactive oxygen species and EBV lymphoblastoid cells by inducing apoptosis: J. Kawada, et al.; J. Biol. Chem. 284, 17102 (2009), Abstract — Full Text
- Histone deacetylase 6 interacts with the microtubule-associated protein tau: H. Ding, et al.; J. Neurochem. 106, 2119 (2008), Abstract — Full Text
- Structural biasing elements for in-cell histone deacetylase paralog selectivity: J.C. Wong, et al.; J. Am. Chem. Soc. 125, 5586 (2003), Abstract
- Multidimensional chemical genetic analysis of diversity-oriented synthesis-derived deacetylase inhibitors using cell-based assays: S.J. Haggarty, et al.; Chem. Biol. 10, 383 (2003), Abstract
- Domain-selective small-molecule inhibitor of histone deacetylase 6 (HDAC6)-mediated tubulin deacetylation: S.J. Haggarty, et al.; Proc. Natl. Acad. Sci. USA 100, 4389 (2003), Abstract — Full Text
- Synthesis of 7200 small molecules based on a substructural analysis of the histone deacetylase inhibitors trichostatin and trapoxin: S.M. Sternson, et al.; Org. Lett. 3, 4239 (2001), Abstract
Related Products

Application | Activity assay, Fluorescent detection, HTS |
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Alternative Name | Histone deacetylase 6 |
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Source | Produced in insect cells. Produced in a baculovirus expression system. |

Alternative Name | 7-(4-((2R,4R,6S)-4-((4,5-dipenyloxazol-2-ylthio)methyl)-6-(4-(hydroxymethyl)phenyl)-1,3-dioxan-2-yl)phenylcarbamoyl)heptanoic acid |
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Couple Type | Inhibitor |
Purity | ≥98% (HPLC) |
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