A 67-year-old man comes to the physician for a follow-up examination after he was diagnosed with mantle cell lymphoma. The physician recommends a chemotherapeutic regimen containing bortezomib. Which of the following best describes the effect of this drug?
Stabilization of tubulin polymers
Accumulation of ubiquitinated proteins
Preventing the relaxation of DNA supercoils
Inhibition of tyrosine kinase receptors