How is dynamic instability regulated by GTP hydrolysis? O GTP hydrolysis promotes addition of tubulin heterodimers to the plus end O Alpha-tubulin subunit does not hydrolyze GTP O GTP hydrolysis reaching the plus-end promotes catastrophe O GTP-bound heterodimers are added to the plus end O Tubulin heterodimers are large and need many non-covalent bonds to become stable

Biochemistry
9th Edition
ISBN:9781319114671
Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Publisher:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Chapter1: Biochemistry: An Evolving Science
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How is dynamic instability regulated by GTP hydrolysis?
GTP hydrolysis promotes addition of tubulin heterodimers to the plus end
Alpha-tubulin subunit does not hydrolyze GTP
GTP hydrolysis reaching the plus-end promotes catastrophe
GTP-bound heterodimers are added to the plus end
Tubulin heterodimers are large and need many non-covalent bonds to become stable
Transcribed Image Text:How is dynamic instability regulated by GTP hydrolysis? GTP hydrolysis promotes addition of tubulin heterodimers to the plus end Alpha-tubulin subunit does not hydrolyze GTP GTP hydrolysis reaching the plus-end promotes catastrophe GTP-bound heterodimers are added to the plus end Tubulin heterodimers are large and need many non-covalent bonds to become stable
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