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FR182876, a New Microtubule Modulator with High Water-solubility, from a Streptomyces
In the course of seeking new anti-tumor drugs, a new microtubule modulator with high water-solubility, FR182876, was isolated from a Streptomyces which also produces FR182877. Even modern spectroscopic methods could not solve the structure of FR182876 due to its structural complexity and chemical in...
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Published in: | Journal of antibiotics 2004/07/25, Vol.57(7), pp.429-435 |
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container_end_page | 435 |
container_issue | 7 |
container_start_page | 429 |
container_title | Journal of antibiotics |
container_volume | 57 |
creator | YOSHIMURA, SEIJI SATO, BUNJI TAKASE, SHIGEHIRO TERANO, HIROSHI |
description | In the course of seeking new anti-tumor drugs, a new microtubule modulator with high water-solubility, FR182876, was isolated from a Streptomyces which also produces FR182877. Even modern spectroscopic methods could not solve the structure of FR182876 due to its structural complexity and chemical instability. Thus, we have combined chemical correlations with spectroscopic methods and determined its structure, which features a highly fused ring system and 3-methylhistidine. The latter is believed to contribute to both solubility in water and activity in promoting tubulin polymerization. FR182876 showed potent cytotoxicity against a panel of cancer cells at concentrations of 28-75ng/ml. |
doi_str_mv | 10.7164/antibiotics.57.429 |
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subjects | Antibiotics, Antineoplastic - chemistry Antibiotics, Antineoplastic - isolation & purification Antibiotics, Antineoplastic - pharmacology Cell Line, Tumor Heterocyclic Compounds, 4 or More Rings - chemistry Heterocyclic Compounds, 4 or More Rings - isolation & purification Heterocyclic Compounds, 4 or More Rings - pharmacology Humans Microtubules - drug effects Solubility Streptomyces Streptomyces - metabolism |
title | FR182876, a New Microtubule Modulator with High Water-solubility, from a Streptomyces |
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