PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 23955896-1 2013 A triblock copolymer containing the complementary hydrogen bonding recognition pair ureidoguanosine-diaminonaphthyridine (UG-DAN) as pendant functional groups is synthesized using ring-opening metathesis polymerization (ROMP). triblock copolymer 2-20 NBL1, DAN family BMP antagonist Homo sapiens 125-128