Sign Up for a Free Account

This is an image preview.
Start a Free Account
to view the full image.

Sign Up for a Free Account For information on discounts, see Plans & Pricing

  • Nearly 3,000 illustrations, including video clips of neurologic disorders.

  • Every article is reviewed by our esteemed Editorial Board for accuracy and currency.

  • Full spectrum of neurology in 1,200 comprehensive articles.

  • Listen to MedLink on the go with Audio versions of each article.

The human hypoxanthine-guanine phosphoribosyltransferase enzyme

The human hypoxanthine-guanine phosphoribosyltransferase (HPRT) homotetramer with magnesium ions (light blue). (Source: Keough DT, Guddat LW, Kaiser MM, Hockova D, Wang TH, Janeba Z. Human HGPRT in complex with (S)-HPEPG, an acyclic nucleoside phosphonate. Protein Data Bank 2016. Available at https://www.wwpdb.org/pdb?id=pdb_00005bsk. Creative Commons Attribution-Share Alike 4.0 International. https://creativecommons.org/licenses/by-sa/4.0/deed.en.)

Related Article

Related Media

Associated Disorders

  • Choreoathetosis
  • Dystonia
  • Gout
  • Hyperuricemia
  • Intellectual disability
  • Renal stones