PMID-sentid	Pub_year	Sent_text	compound_name	comp_offset	prot_official_name	organism	prot_offset
30523148-1	2019	During active DNA demethylation, 5-methylcytosine (5mC) is oxidized by TET proteins to 5-formyl-/5-carboxylcytosine (5fC/5caC) for replacement by unmethylated C by TDG-initiated DNA base excision repair (BER).	5-formyl-/5-carboxylcytosine	87-115	thymine DNA glycosylase	Mus musculus	164-167