PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 9419816-4 1997 In addition, the enzymatic activity of HSPDE1B1 was inhibited by phosphodiesterase inhibitors with potencies similar to that displayed toward the bovine PDE1 enzymes: IBMX approximately equal to 8-methoxymethyl-IBMX > vinpocetine approximately equal to zaprinast > cilostamide > rolipram. zaprinast 256-265 phosphodiesterase 1A Bos taurus 41-45