PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 15945660-8 2005 In Ce1-x-yZrxTbyO2 there is an unexpected high concentration of Tb3+, which is not seen in TbO2 or Ce1-xTbxO2 and enhances the chemical reactivity of the ternary oxide. tb3+ 64-68 carboxylesterase 1 Homo sapiens 3-6