PMID-sentid	Pub_year	Sent_text		comp_official_name	comp_offsetprotein_name	organism	prot_offset
12842049-6	2003	Docking of the PDE5 inhibitor sildenafil into the PDE4 catalytic pocket further helps understand inhibitor selectivity.	Sildenafil Citrate	30-40	phosphodiesterase 5A	Homo sapiens	15-19