PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 31830177-4 2020 The presence of the styryl ammonium moiety in HP1 allows post-synthetic modification by radical copolymerization with styrene to obtain the HP2 material with higher hydrophobicity. Styrene 118-125 defensin alpha 1 Homo sapiens 46-49