Details
Stereochemistry | ABSOLUTE |
Molecular Formula | C26H39NO6S |
Molecular Weight | 493.656 |
Optical Activity | ( - ) |
Defined Stereocenters | 7 / 7 |
E/Z Centers | 1 |
Charge | 0 |
SHOW SMILES / InChI
SMILES
[H][C@@]12CCC[C@H](C)[C@H](O)[C@@H](C)C(=O)C(C)(C)[C@@H](O)CC(=O)O[C@@H](C[C@]1([H])O2)C(\C)=C\C3=CSC(C)=N3
InChI
InChIKey=HESCAJZNRMSMJG-KKQRBIROSA-N
InChI=1S/C26H39NO6S/c1-14-8-7-9-19-21(32-19)11-20(15(2)10-18-13-34-17(4)27-18)33-23(29)12-22(28)26(5,6)25(31)16(3)24(14)30/h10,13-14,16,19-22,24,28,30H,7-9,11-12H2,1-6H3/b15-10+/t14-,16+,19+,20-,21-,22-,24-/m0/s1
Molecular Formula | C26H39NO6S |
Molecular Weight | 493.656 |
Charge | 0 |
Count |
|
Stereochemistry | ABSOLUTE |
Additional Stereochemistry | No |
Defined Stereocenters | 7 / 7 |
E/Z Centers | 1 |
Optical Activity | UNSPECIFIED |
DescriptionSources: https://www.ncbi.nlm.nih.gov/pubmed/19707459Curator's Comment: Description was created based on several sources, including
https://www.ncbi.nlm.nih.gov/pubmed/7757983
Sources: https://www.ncbi.nlm.nih.gov/pubmed/19707459
Curator's Comment: Description was created based on several sources, including
https://www.ncbi.nlm.nih.gov/pubmed/7757983
Epothilone A is a natural compound, originally discovered from the myxobacterium Sorangium cellulosum. Epothilones A, a macrolide compound, stabilizes polymerized microtubules, leading to mitotic arrest and cytotoxicity in proliferating cells. While epothilone A shows potent antineoplastic activity in vitro, these effects were not seen in preclinical in vivo models due to its poor metabolic stability and unfavorable pharmacokinetics.
Originator
Sources: http://adisinsight.springer.com/drugs/800005848
Curator's Comment: # Merck & Co
Approval Year
PubMed
Title | Date | PubMed |
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Epothilones, a new class of microtubule-stabilizing agents with a taxol-like mechanism of action. | 1995 Jun 1 |
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Activities of the microtubule-stabilizing agents epothilones A and B with purified tubulin and in cells resistant to paclitaxel (Taxol(R)). | 1997 Jan 24 |
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Structural insight into the mechanism of epothilone A bound to beta-tubulin and its mutants at Arg282Gln and Thr274Ile. | 2012 |
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Comparative binding energy (COMBINE) analysis supports a proposal for the binding mode of epothilones to β-tubulin. | 2012 May |
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Induction of apoptosis in human ovarian cancer cells by new anticancer compounds, epothilone A and B. | 2013 Feb |
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Molecular recognition of epothilones by microtubules and tubulin dimers revealed by biochemical and NMR approaches. | 2014 Apr 18 |
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Characterizing the Epothilone Binding Site on β-Tubulin by Photoaffinity Labeling: Identification of β-Tubulin Peptides TARGSQQY and TSRGSQQY as Targets of an Epothilone Photoprobe for Polymerized Tubulin. | 2016 Apr 14 |
Sample Use Guides
Epothilone A has poor pharmacologic properties with loss of structural stability in animal plasma which led to the agent being dropped from further studies.
Route of Administration:
Unknown
In Vitro Use Guide
Sources: https://www.ncbi.nlm.nih.gov/pubmed/7757983
Epothilone A is cytotoxic to KB3-1, KBV-1, Hela, and Hs578T cells, with EC50 values ranging from 13 nM to 160 nM and induce mitotic arrest in KB3-1, KBV-1, Hela, and Hs578T cells with EC50 values ranging from 7 nM to 170 nM
Substance Class |
Chemical
Created
by
admin
on
Edited
Sat Dec 16 10:09:19 GMT 2023
by
admin
on
Sat Dec 16 10:09:19 GMT 2023
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Record UNII |
51E07YBX96
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Record Status |
Validated (UNII)
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Record Version |
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NCI_THESAURUS |
C1922
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NCI_THESAURUS |
C67437
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31549
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100000177892
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51E07YBX96
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m4954
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DTXSID10332288
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C1622
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