What is the cytoskeleton made of?

2 Answers



Cytoskeleton is composed of a contractile protein called actin which is the most abundant cellular protein.

Jun 25, 2018

There are three primary "fibers" in cytoskeleton:

  1. Microfilaments
  2. Microtubules
  3. Intermediate filaments

I've tabulated these below,


Clearly, the functions are simplified. Your question is regarding the protein monomers, though.