PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 32463527-6 2020 A comprehensive bonding analysis of all 1 -Ae complexes using the QTAIM and EDA-NOCV methods shows that the heavier species 1 -Ca, 1 -Sr and 1 -Ba possess genuine Fe Ae bonds which involve vacant d -orbitals of the alkaline earth atoms and partially filled d -orbitals on Fe. Iron 163-165 ALL1 Homo sapiens 36-41