PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 7945790-10 1994 Fluorescence energy transfer measurements between Tb3+ in the strong calcium site to Co2+ in the strong Zn2+ site gave a distance in the range of 14-18 A, which was in excellent agreement with recent crystallographic data for human alpha-lactalbumin [Ren et al. tb3+ 50-54 lactalbumin alpha Homo sapiens 232-249