Colchicine Binding by the "Isolated" β-Monomer of Tubulin (*)

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Summary

It is shown by direct photoaffinity labeling that the bulk of the [3H]colchicine becomes attached to β-tubulin under these conditions, and it is concluded that α- Tubulin is not necessary for colchicines binding and proposed a model wherein the A and C rings of col chicine bind to β -tubulin, while the B ring faces α- tubulin in the dimer.

Type
article
Published
1995-07-14
Cited by
18
References
24
Access
Open access

Keywords

Tubulin, Lactoperoxidase, Colchicine, Monomer, Microtubule

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