PMID-sentid	Pub_year	Sent_text		comp_official_name	comp_offsetprotein_name	organism	prot_offset
1781947-1	1991	The trinucleotide d(CGT) was modified by covalent binding of the carcinogen N-acetyl-2-aminofluorene (AAF) or 2-aminofluorene (AF) at the C8 position of the guanine base.	Guanine	157-164	UDP glycosyltransferase 8	Homo sapiens	20-23	
7697748-3	1995	The highest levels of alkylation occurred at isolated guanines located in 5"-CGT sequences and also at the 5"-G in some 5"-CGG sequences.	Guanine	54-62	UDP glycosyltransferase 8	Homo sapiens	77-80