PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 9689927-12 1998 These results document the amplification at the site of a putative HSR in an L1210 cell variant of the RFC-1 gene regulating expression of the one-carbon, reduced folate transporter. Carbon 147-153 replication factor C (activator 1) 1 Mus musculus 103-108