PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 24497281-3 2014 However, the formation of dG-dC crosslinks can be prevented by O(6) -alkylguanine-DNA alkyltransferase (AGT), which removes the O(6) -chloroethyl group from O(6) -chloroethylguanine (O(6) -ClEt-Gua), and ultimately its increased expression can result in drug resistance. o(6) -clet-gua 183-197 O-6-methylguanine-DNA methyltransferase Mus musculus 63-102