Phosphodiesterase 5 (PDE5) enzyme. Inhibition of this enzyme is the mechanism of action of sildenafil, tadalafil and vardenafil, used to treat erectil

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Phosphodiesterase 5 (PDE5) enzyme. Inhibition of this enzyme is the mechanism of action of sildenafil, tadalafil and vardenafil, used to treat erectile dysfunction. Atoms shown as color-coded spheres. Protein shaded teal, sildenafil ligand shaded orange. Close-up view.

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Photo credit: © molekuul.be / Alamy / Afripics
License: Royalty Free
Model Released: No

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