PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 30867918-1 2019 To protect viral DNA against the host bacterial restriction system, bacterio-phages utilize a special modification system - hydroxymethylation - in which dCMP hydroxymethylase (dCH) converts dCMP to 5-hydroxymethyl-dCMP (5hm-dCMP) using N5,N10-methylenetetrahydrofolate as a cofactor. n10-methylenetetrahydrofolate 240-269 dch Drosophila melanogaster 177-180