PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 32794708-4 2020 This movement directly blocks the binding of substrate/inhibitors to the PDE5 active site, which is different from all traditional PDE5 inhibitors such as sildenafil, tadalafil, and vardenafil. Sildenafil Citrate 155-165 phosphodiesterase 5A Homo sapiens 73-77 32794708-4 2020 This movement directly blocks the binding of substrate/inhibitors to the PDE5 active site, which is different from all traditional PDE5 inhibitors such as sildenafil, tadalafil, and vardenafil. Sildenafil Citrate 155-165 phosphodiesterase 5A Homo sapiens 131-135