7qup: Difference between revisions

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== Function ==
== Function ==
[https://www.uniprot.org/uniprot/TBA1_DROME TBA1_DROME] Tubulin is the major constituent of microtubules. It binds two moles of GTP, one at an exchangeable site on the beta chain and one at a non-exchangeable site on the alpha chain.
[https://www.uniprot.org/uniprot/TBA1_DROME TBA1_DROME] Tubulin is the major constituent of microtubules, a cylinder consisting of laterally associated linear protofilaments composed of alpha- and beta-tubulin heterodimers. Microtubules grow by the addition of GTP-tubulin dimers to the microtubule end, where a stabilizing cap forms. Below the cap, tubulin dimers are in GDP-bound state, owing to GTPase activity of alpha-tubulin.
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Latest revision as of 06:33, 1 October 2025

D. melanogaster 13-protofilament microtubule

7qup, resolution 3.80Å

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