PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 9595272-2 1998 Monoamines do not form coordination bonds with a preformed iron-serotonin-binding protein (SBP) complex, as initially believed. monoamines 0-10 spermine binding protein Rattus norvegicus 91-94 9595272-3 1998 Instead, metals oxidize the monoamines either directly (manganese, copper) or by oxygen free radical formation (iron), the oxidation products bind covalently to SBP and the conjugates are able to undergo redox cycling. monoamines 28-38 spermine binding protein Rattus norvegicus 161-164