PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 24859037-4 2014 Here we demonstrate by pseudocontact shifts from a lanthanide tag that NS2Bc remains in the closed conformation also in the complex with BPTI. Lanthanoid Series Elements 51-61 spleen trypsin inhibitor I Bos taurus 137-141