Tubulysin B

Modify Date: 2024-01-08 17:45:03

Tubulysin B Structure
Tubulysin B structure
Common Name Tubulysin B
CAS Number 205304-87-6 Molecular Weight 830.042
Density 1.2±0.1 g/cm3 Boiling Point 978.0±65.0 °C at 760 mmHg
Molecular Formula C42H63N5O10S Melting Point N/A
MSDS N/A Flash Point 545.3±34.3 °C

 Use of Tubulysin B


Tubulysin B is a highly cytotoxic peptide and potent microtubule destabilizing agents isolated from the myxobacteria Archangium geophyra and Angiococcus disciformis. Tubulysin B has IC50 values in the picomolar range against many cancer cell lines, including those with multidrug resistant properties[1].Tubulysin B is a cytotoxic activity tubulysin which inhibits tubulin polymerization and leads to cell cycle arrest and apoptosis[2].

 Names

Name Tubulysin B
Synonym More Synonyms

 Tubulysin B Biological Activity

Description Tubulysin B is a highly cytotoxic peptide and potent microtubule destabilizing agents isolated from the myxobacteria Archangium geophyra and Angiococcus disciformis. Tubulysin B has IC50 values in the picomolar range against many cancer cell lines, including those with multidrug resistant properties[1].Tubulysin B is a cytotoxic activity tubulysin which inhibits tubulin polymerization and leads to cell cycle arrest and apoptosis[2].
Related Catalog
In Vitro Tubulysin B has IC50s of 0.6 and 0.9 nM against KB and A549 tumors cell lines, respectively.
References

[1]. Leamon CP, et al. Prostate-Specific Membrane Antigen-Specific Antitumor Activity of a Self-Immolative Tubulysin Conjugate. Bioconjug Chem. 2019 Jun 19;30(6):1805-1813.

[2]. Vlahov IR, et al. Acid mediated formation of an N-acyliminium ion from tubulysins: a new methodology for the synthesis of natural tubulysins and their analogs. Bioorg Med Chem Lett. 2011 Nov 15;21(22):6778-81.

 Chemical & Physical Properties

Density 1.2±0.1 g/cm3
Boiling Point 978.0±65.0 °C at 760 mmHg
Molecular Formula C42H63N5O10S
Molecular Weight 830.042
Flash Point 545.3±34.3 °C
Exact Mass 829.429565
LogP 5.78
Vapour Pressure 0.0±0.3 mmHg at 25°C
Index of Refraction 1.552

 Synonyms

(2S,4R)-4-[({2-[(1R,3R)-1-Acetoxy-3-{[(butyryloxy)methyl](N-{[(2R)-1-methyl-2-piperidinyl]carbonyl}-L-isoleucyl)amino}-4-methylpentyl]-1,3-thiazol-4-yl}carbonyl)amino]-5-(4-hydroxyphenyl)-2-methylpentanoic acid
Tubulysin B
Pentanoic acid, 4-[[[2-[(1R,3R)-1-(acetyloxy)-4-methyl-3-[[(2S,3S)-3-methyl-2-[[[(2R)-1-methyl-2-piperidinyl]carbonyl]amino]-1-oxopentyl][(1-oxobutoxy)methyl]amino]pentyl]-4-thiazolyl]carbonyl]amino]-5-(4-hydroxyphenyl)-2-methyl-, (2S,4R)-
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