Multiscale Computational Modeling of Tubulin-Tubulin Lateral Interaction
نویسندگان
چکیده
منابع مشابه
Modeling the Colchicum autumnale Tubulin and a Comparison of Its Interaction with Colchicine to Human Tubulin
Tubulin is the target for many small-molecule natural compounds, which alter microtubules dynamics, and lead to cell cycle arrest and apoptosis. One of these compounds is colchicine, a plant alkaloid produced by Colchicum autumnale. While C. autumnale produces a potent cytotoxin, colchicine, and expresses its target protein, it is immune to colchicine's cytotoxic action and the mechanism of thi...
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Binding of two colchicine analogues, desacetamidocolchicine and 2-methoxy-5-(2',3',4'-trimethoxyphenyl) tropone to purified tubulin have been studied. Both analogues bind to tubulin with a significant increase in fluorescence polarization of the drugs in solutions containing tubulin. The Kd for tubulin-drug complexes were found to be 1.25 X 10(-6) M and 1.08 X 10(-6) M for desacetamidocolchicin...
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Tubulin purified from rat brain was labeled by conjugation with N-succinimidyl 3-(4-hydroxy[5-125I]iodophenyl)propionate. Mitochondrial fraction prepared by centrifugation on sucrose density gradient was enriched about 4-fold in cytochrome c oxidase as compared to total liver homogenate. Contamination by plasma membranes was estimated to be about 5%. Radioiodinated pure tubulin bound to purifie...
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Selenium (Se), an essential trace element for human health, mainly exerts its biological function via selenoproteins. Among the 25 selenoproteins identified in human, selenoprotein P (SelP) is the only one that contains multiple selenocysteines (Sec) in the sequence, and has been suggested to function as a Se transporter. Upon feeding a selenium-deficient diet, mice lacking SelP develop severe ...
متن کاملComputational study of binding of epothilone A to β-tubulin.
Understanding the interactions of epothilones with β-tubulin is crucial for computer aided rational design of macrocyclic drugs based on epothilones and epothilone derivatives. Despite numerous structure-activity relationship investigations we still lack substantial knowledge about the binding mode of epothilones and their derivatives to β-tubulin. In this work, we reevaluated the electron crys...
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ژورنال
عنوان ژورنال: Biophysical Journal
سال: 2019
ISSN: 0006-3495
DOI: 10.1016/j.bpj.2019.08.011