PMID-sentid	Pub_year	Sent_text		comp_official_name	comp_offsetprotein_name	organism	prot_offset
33527595-4	2021	Small nuclear RNAs, components of the spliceosome, have a trimethylguanosine (TMG) cap that is generated by Tgs1-dependent hypermethylation of the normal m7G cap; this cap is required for efficient splicing of some mRNAs in budding yeast and Drosophila.	trimethylguanosine	58-76	RNA methyltransferase	Saccharomyces cerevisiae S288C	108-112