beta 2-Glycoprotein I

**Definition:** A 44-kDa highly glycosylated plasma protein that binds phospholipids including CARDIOLIPIN; APOLIPOPROTEIN E RECEPTOR; membrane phospholipids, and other anionic phospholipid-containing moieties. It plays a role in coagulation and apoptotic processes. Formerly known as apolipoprotein H, it is an autoantigen in patients with ANTIPHOSPHOLIPID ANTIBODIES.

**Tree numbers:** - D09.400.430.687 - D12.776.124.117 - D12.776.395.195

**Synonyms:** - beta(2)GPI - Anticardiolipin Cofactor - beta2-Glycoprotein I - Endothelial Cell-Viability Maintaining Factor - Apo H - Apolipoprotein H - EC-VMFa