Lac repressor binds as a tetramer to two operators.

TLS Online TPP Program

#Id: 1534

#Unit 2. Cellular Organization

MAP4, are phosphorylated by a cyclin-dependent kinase (CDK) that plays a major role in controlling the activities of proteins in the course of the cell cycle.

TLS Online TPP Program

#Id: 1535

#Unit 2. Cellular Organization

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

TLS Online TPP Program

#Id: 1536

#Unit 2. Cellular Organization

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

TLS Online TPP Program

#Id: 1537

#Unit 2. Cellular Organization

Class V IF proteins 

Lamins

TLS Online TPP Program

#Id: 1538

#Unit 2. Cellular Organization

Keratins 

make up IF protein classes I and II 

found in epithelia

TLS Online TPP Program

#Id: 1539

#Unit 2. Cellular Organization

Class IV IF proteins compose the neurofilaments found in neurons