Fig. 4A: HIV Protease, Step-1

HIV must use a HIV encoded enzyme called protease in order to cleave a large Gag-Pol polyprotein (p120), a Gag polyprotein (p55), and an Env polyprotein (gp160) into functional proteins essential to the structure of HIV and to its RNA packaging. The active site of the HIV protease binds to the polyproteins and cleaves them into functional proteins (see Step-2).


Illustration of HIV Protease, Step-1. .jpg by Gary E. Kaiser, Ph.D.
Professor of Microbiology, The Community College of Baltimore County, Catonsville Campus
This work is licensed under a Creative Commons Attribution 4.0 International License.
Based on a work at https://cwoer.ccbcmd.edu/science/microbiology/index_gos.html.

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Last updated: August, 2019
Please send comments and inquiries to Dr. Gary Kaiser