An allosteric redox switch in domain V of β2-glycoprotein I controls membrane binding and anti-domain I autoantibody recognition

S Kumar, M Chinnaraj, W Planer, X Zuo… - Journal of Biological …, 2021 - ASBMB
β 2-glycoprotein I (β 2 GPI) is an abundant multidomain plasma protein that plays various
roles in the clotting and complement cascades. It is also the main target of antiphospholipid …

The J-elongated conformation of β2-glycoprotein I predominates in solution: Implications for our understanding of antiphospholipid syndrome

E Ruben, W Planer, M Chinnaraj, Z Chen, X Zuo… - Journal of Biological …, 2020 - ASBMB
β 2-Glycoprotein I (β 2 GPI) is an abundant plasma protein displaying phospholipid-binding
properties. Because it binds phospholipids, it is a target of antiphospholipid antibodies …

Structural analyses of β2-glycoprotein I: is there a circular conformation?

S Kumar, J Wulf II, K Basore, N Pozzi - Journal of Thrombosis and …, 2023 - Elsevier
Background Antiphospholipid antibodies targeting β 2-glycoprotein I (β 2 GPI) cause
thrombosis and pregnancy morbidity in antiphospholipid syndrome (APS) patients. How …

β2-glycoprotein I, the major target in antiphospholipid syndrome, is a special human complement regulator

K Gropp, N Weber, M Reuter… - Blood, The Journal …, 2011 - ashpublications.org
The human plasma protein β2-glycoprotein I (β2-GPI) is the major target of autoantibodies
associated with antiphospholipid syndrome. However, the biologic function of this abundant …

Mechanism of the Interaction of β2-Glycoprotein I with Negatively Charged Phospholipid Membranes

M Hammel, R Schwarzenbacher, A Gries… - Biochemistry, 2001 - ACS Publications
In an attempt to understand the multifunctional involvement of β2-glycoprotein I (β2GPI) in
autoimmune diseases, thrombosis, atherosclerosis, and inflammatory processes, substantial …

Flexible Loop of β2-Glycoprotein I Domain V Specifically Interacts with Hydrophobic Ligands

DP Hong, Y Hagihara, H Kato, Y Goto - Biochemistry, 2001 - ACS Publications
β2-Glycoprotein I (β2-GPI), which consists of four complement control protein modules and a
distinctly folded fifth C-terminal domain, is an essential cofactor for the binding to …

Identification of the phospholipid-binding site of human β2-glycoprotein I domain V by heteronuclear magnetic resonance

M Hoshino, Y Hagihara, I Nishii, T Yamazaki… - Journal of Molecular …, 2000 - Elsevier
To understand the mechanism of the interaction between human β2-glycoprotein I (β2-GPI)
and negatively charged phospholipids, we determined the three-dimensional solution …

Posttranslational forms of beta 2-glycoprotein I in the pathogenesis of the antiphospholipid syndrome

F El-Assaad, SA Krilis, B Giannakopoulos - Thrombosis Journal, 2016 - Springer
The antiphospholipid syndrome (APS) is an autoimmune disease characterised by a
procoagulant state that predisposes to recurrent thrombosis and miscarriages. Two major …

[HTML][HTML] β2‐Glycoprotein I: evolution, structure and function

PG De Groot, JCM Meijers - Journal of Thrombosis and Haemostasis, 2011 - Elsevier
Summary β 2‐Glycoprotein I (β 2‐GPI) is a protein that circulates in blood at high
concentrations. The function of β 2‐GPI has long been an enigma. More than 20 years ago …

Molecular mapping of α-thrombin (αT)/β2-glycoprotein I (β2GpI) interaction reveals how β2GpI affects αT functions

L Acquasaliente, D Peterle, S Tescari… - Biochemical …, 2016 - portlandpress.com
β2-Glycoprotein I (β2GpI) is the major autoantigen in the antiphospholipid syndrome, a
thrombotic autoimmune disease. Nonetheless, the physiological role of β2GpI is still unclear …