A:T base pairs are thus favored because they are more readily distorted to allow the initial opening of the minor groove. There are also extensive interactions between the phosphate backbone and basic residues in the b sheet, adding to the overall binding energy of the interaction.

#Id: 1535

#Unit 2. Cellular Organization

+TIPs, associate with growing plus ends and can link microtubules to other structures, such as membranes.

#Id: 1536

#Unit 2. Cellular Organization

XMAP215 binds free tubulin subunits and delivers them to the plus end of a microtubule, dramatically accelerating polymerization.

#Id: 1537

#Unit 2. Cellular Organization

#Id: 1538

#Unit 2. Cellular Organization

#Id: 1539

#Unit 2. Cellular Organization

Class IV IF proteins compose the neurofilaments found in neurons

#Id: 1540

#Unit 2. Cellular Organization