PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 23885126-2 2013 Snurportin1 (SPN1), the import adaptor, binds to trimethylguanosine (TMG) caps on spliceosomal small nuclear RNAs. trimethylguanosine 49-67 snurportin 1 Homo sapiens 0-11