PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 15541393-3 2004 We established a detailed mapping of methylcytosines at the CpG island (-1539 to +1732) surrounding the hTERT promoter in tissues and cell lines. methylcytosines 37-52 telomerase reverse transcriptase Homo sapiens 104-109