PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 23877998-2 2013 SRR showed excellent specificity for Cu(2+) ions over other cations (including Cu(+), Hg(2+), and Fe(3+)), very high sensitivity (10 nM), and a rapid response time (3 min). Copper 79-84 serine racemase Homo sapiens 0-3