1426953-21-0
Chemical Structure
Thailanstatin A
- CAS No.: 1426953-21-0
- Formula:C28H41NO9
- Molecular Weight:535.63
IUPAC Name: 2-((3R,5S,7R,8R)-7-((1E,3E)-5-((2S,3S,5R,6R)-5-((S,Z)-4-acetoxypent-2-enamido)-3,6-dimethyltetrahydro-2H-pyran-2-yl)-3-methylpenta-1,3-dien-1-yl)-8-hydroxy-1,6-dioxaspiro[2.5]octan-5-yl)acetic acid
InChIKey: GJKQDOMCDFJANR-FUDLAKRJSA-N
SMILES: O=C(O)C[C@@H](O[C@H](/C=C/C(C)=C/C[C@H]1[C@@H](C)C[C@@H](NC(/C=C\[C@@H](OC(C)=O)C)=O)[C@@H](C)O1)[C@H]2O)C[C@]32CO3
Biological Activity: Thailanstatin A is an ultra-potent inhibitor of eukaryotic RNA splicing (IC50=650 nM). Thailanstatin A exerts effects via non-covalent binding to the SF3b subunit of the U2 snRNA subcomplex of the spliceosome and shows low-nM to sub-nM IC50s against multiple cancer cell lines. Thailanstatin A, a payload for ADCs, is conjugated to the lysines on trastuzumab yielding “linker-less” ADC[1][2][3].
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Thailanstatin A | 99.09% | Thailanstatin A is an ultra-potent inhibitor of eukaryotic RNA splicing (IC50=650 nM). Thailanstatin A exerts effects via non-covalent binding to the SF3b subunit of the U2 snRNA subcomplex of the spliceosome and shows low-nM to sub-nM IC50s against multiple cancer cell lines. Thailanstatin A, a payload for ADCs, is conjugated to the lysines on trastuzumab yielding “linker-less” ADC. | ||||||||||||||||||||
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- [1]. Puthenveetil S, et al. Natural Product Splicing Inhibitors: A New Class of Antibody-Drug Conjugate (ADC) Payloads. Bioconjug Chem. 2016;27(8):1880-1888. [Content Brief]
- [2]. Ghosh AK, et al. Enantioselective Synthesis of Thailanstatin A Methyl Ester and Evaluation of in Vitro Splicing Inhibition. J Org Chem. 2018;83(9):5187-5198. [Content Brief]
- [3]. Liu X, et al. Genomics-guided discovery of thailanstatins A, B, and C As pre-mRNA splicing inhibitors and antiproliferative agents from Burkholderia thailandensis MSMB43. J Nat Prod. 2013;76(4):685-693. [Content Brief]
Keywords
