PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 34490947-3 2021 A ferromagnetic superexchange interaction between the electron spins of the Cr 3+ ions leads to a high-spin ( S = 3) ground state. Chromium 76-78 spindlin 1 Homo sapiens 103-107