PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 17998292-3 2008 Here, we report the functional consequences of molecular substitutions of A9 and A10, two highly conserved nucleobases located adjacent to the hairpin ribozyme active site, using G, C, U, 2-aminopurine, 2,6-diaminopurine, purine, and inosine. 2-Aminopurine 188-201 immunoglobulin kappa variable 6D-21 (non-functional) Homo sapiens 81-84