PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 18950144-0 2008 Analysis of the electronic origin of the 1JCH spin-spin coupling trend in 1-X-cyclopropanes: experimental and DFT study. 1-x-cyclopropanes 74-91 joining chain of multimeric IgA and IgM Homo sapiens 42-45