apob-100 is synthesized in the liver , is the major protein constituent of low density lipoprotein , and serves as the ligand for the ldl receptor . cis-acting dna sequence elements required for hepatic specific apob transcription were identified in hepatoma ( hepg2 ) and epithelial carcinoma ( hela ) cell lines transfected with apob/cat ( chloramphenicol acetyltransferase ) hybrid constructions .
C0205666
apob-100
C0003593
apob