PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 17335280-2 2007 Binding of either O2 or CO molecule to a reduced heme enhances the PDE activity toward 3",5"-cyclic diguanylic acid. bis(3',5')-cyclic diguanylic acid 87-115 phosphodiesterase Escherichia coli 67-70