PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 12943732-2 2003 The role of sterol regulatory element binding proteins in spermatogenic cells was an enigma until recently, when a soluble, 55kDa cholesterol-insensitive form of SREBP2 (SREBP2gc) was discovered [Mol. Cholesterol 130-141 membrane protein, palmitoylated Mus musculus 124-129