PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 19655749-8 2009 Furthermore, the planarity of the acceptor moiety (estimated from the dihedral angle between Ph1 and Ph2) is lower in the BF(4)(-) salt compared with that of other salts. bf(4)(-) salt 122-135 polyhomeotic homolog 2 Homo sapiens 101-104