منابع مشابه
MitoNEET-dependent formation of intermitochondrial junctions.
MitoNEET (mNEET) is a dimeric mitochondrial outer membrane protein implicated in many facets of human pathophysiology, notably diabetes and cancer, but its molecular function remains poorly characterized. In this study, we generated and analyzed mNEET KO cells and found that in these cells the mitochondrial network was disturbed. Analysis of 3D-EM reconstructions and of thin sections revealed t...
متن کاملRedox characterization of the FeS protein MitoNEET and impact of thiazolidinedione drug binding.
MitoNEET is a small mitochondrial protein that has been identified recently as a target for the thiazolidinedione (TZD) class of diabetes drugs. MitoNEET also binds a unique three-Cys- and one-His-ligated [corrected] [2Fe-2S] cluster. Here we use protein film voltammetry (PFV) as a means to probe the redox properties of mitoNEET and demonstrate the direct impact of TZD drug binding upon the red...
متن کاملRedox Control of the Human Iron-Sulfur Repair Protein MitoNEET Activity via Its Iron-Sulfur Cluster.
Human mitoNEET (mNT) is the first identified Fe-S protein of the mammalian outer mitochondrial membrane. Recently, mNT has been implicated in cytosolic Fe-S repair of a key regulator of cellular iron homeostasis. Here, we aimed to decipher the mechanism by which mNT triggers its Fe-S repair capacity. By using tightly controlled reactions combined with complementary spectroscopic approaches, we ...
متن کاملMarkov chain Monte Carlo based analysis of post-translationally modified VDAC gating kinetics
The voltage-dependent anion channel (VDAC) is the main conduit for permeation of solutes (including nucleotides and metabolites) of up to 5 kDa across the mitochondrial outer membrane (MOM). Recent studies suggest that VDAC activity is regulated via post-translational modifications (PTMs). Yet the nature and effect of these modifications is not understood. Herein, single channel currents of wil...
متن کاملA 3D model of the voltage-dependent anion channel (VDAC).
Eukaryotic porins are a group of membrane proteins whose best known role is to form an aqueous pore channel in the mitochondrial outer membrane. As opposed to the bacterial porins (a large family of protein whose 3D structure has been determined by X-ray diffraction), the structure of eukaryotic porins (also termed VDACs, voltage-dependent anion-selective channels) is still a matter of debate. ...
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ژورنال
عنوان ژورنال: Proceedings of the National Academy of Sciences
سال: 2019
ISSN: 0027-8424,1091-6490
DOI: 10.1073/pnas.1908271116