ApoB 100, ApoB 48, Apolipoprotein B 100, Apolipoprotein B48, FLDB,
Functions as a recognition signal for the cellular binding and internalization of LDL particles by the apoB/E receptor. Defects in APOB are a cause of familial hypobetalipoproteinemia (FHBL). Defects in APOB are a cause of familial ligand-defective apolipoprotein B-100 (FDB).