Katanin promotes breakage by extracting tubulin subunits from the wall of the microtubule (also releases microtubules from MTOCs). 

 

TLS Online TPP Program

#Id: 9689

#Unit 4. Cell Communication and Cell Signaling

Binding of insulin to its receptor triggers activation of a protease that catalyzes a site-specific endoproteolytic cleavage of TUG

TLS Online TPP Program

#Id: 9690

#Unit 4. Cell Communication and Cell Signaling

Released N-terminal TUG fragment bind to the kinesin, initiates the microtubule-based movement of the GSVs to the plasma membrane.

TLS Online TPP Program

#Id: 9691

#Unit 4. Cell Communication and Cell Signaling

Movement of the GSVs to the plasma membrane is regulated by two monomeric GTP-binding proteins -RalA and Rab10

TLS Online TPP Program

#Id: 9692

#Unit 4. Cell Communication and Cell Signaling

Insulin receptor activates the PI-3 kinase/PKB pathway

TLS Online TPP Program

#Id: 9693

#Unit 4. Cell Communication and Cell Signaling

Active PKB, phosphorylates

and inhibits the GTP→GDP hydrolysis activity of two GAP

proteins - AS160 and RGC

TLS Online TPP Program

#Id: 9694

#Unit 4. Cell Communication and Cell Signaling

Phosphorylation causes the binding of AS160 to the 

14-3-3 protein that sequesters it in the cytosol away from its target Rab proteins