Results 91 to 100 of about 405,626 (326)
A novel point mutation (L70P) inactivates poliovirus 3C protease
Acta virologica, 2018 Poliovirus (PV) contains a single-stranded positive-sense RNA genome, which is translated into a single polyprotein. Viral proteases process this polyprotein to produce several individual as well as fused proteins. The major viral protease 3C cleaves at nine of the eleven cleavage sites.
M, Uma +6 more
openaire +3 more sources
Neural Network and Bioinformatic Methods for Predicting HIV-1 Protease Inhibitor Resistance [PDF]
, 2007 This article presents a new method for predicting viral resistance to seven protease inhibitors from the HIV-1 genotype, and for identifying the positions in the protease gene at which the specific nature of the mutation affects resistance.
Carpenter, Gail A., Woods, Matthew
core +1 more source
A viable mouse model of factor X deficiency provides evidence for maternal transfer of factor X. [PDF]
, 2008 BackgroundActivated factor X (FXa) is a vitamin K-dependent serine protease that plays a pivotal role in blood coagulation by converting prothrombin to thrombin. There are no reports of humans with complete deficiency of FX, and knockout of murine F10 is
Arruda, VR +7 more
core +2 more sources
FEBS Letters, EarlyView.In this study, we found that human cervical‐derived adipocytes maintain intracellular iron level by regulating the expression of iron transport‐related proteins during adrenergic stimulation. Melanotransferrin is predicted to interact with transferrin receptor 1 based on in silico analysis.
Rahaf Alrifai +9 more
wiley +1 more source
Viruses, 2021 Viruses have evolved numerous strategies to maximize the use of their limited genetic material, including proteolytic cleavage of polyproteins to yield products with different functions.
Dennis S. Winston, David D. Boehr
doaj +1 more source
Dual-topology insertion of a dual-topology membrane protein. [PDF]
, 2015 Some membrane transporters are dual-topology dimers in which the subunits have inverted transmembrane topology. How a cell manages to generate equal populations of two opposite topologies from the same polypeptide chain remains unclear.
Bowie, James U +2 more
core
Impact of monotherapy on HIV-1 reservoir, immune activation, and co-infection with Epstein-Barr virus [PDF]
, 2017 Objectives Although monotherapy (mART) effectiveness in maintaining viral suppression and CD4 cell count has been extensively examined in HIV-1-infected patients, its impact on HIV-1 reservoir, immune activation, microbial translocation and co-infection
Carmona, Francesco +8 more
core +2 more sources
Tau acetylation at K331 has limited impact on tau pathology in vivo
FEBS Letters, EarlyView.We mapped tau post‐translational modifications in humanized MAPT knock‐in mice and in amyloid‐bearing double knock‐in mice. Acetylation within the repeat domain, particularly around K331, showed modest increases under amyloid pathology. To test functional relevance, we generated MAPTK331Q knock‐in mice.
Shoko Hashimoto +3 more
wiley +1 more source
Calpain small subunit homodimerization is robust and calcium‐independent
FEBS Letters, EarlyView.Calpains dimerize via penta‐EF‐hand (PEF) domains. Using single‐molecule force spectroscopy, we measured the strength and kinetics of PEF–PEF homodimer binding. The interaction is robust, shows a transient conformational step before dissociation, and remains largely insensitive to Ca2+.
Nesha May O. Andoy +4 more
wiley +1 more source
Structural aspects of activation pathways of aspartic protease zymogens and viral 3C protease precursors [PDF]
Proceedings of the National Academy of Sciences, 1999 The three-dimensional structures of the inactive protein precursors (zymogens) of the serine, cysteine, aspartic, and metalloprotease classes of proteolytic enzymes are known. Comparisons of these structures with those of the mature, active proteases reveal that, in general, the preformed, active conformations of the residues involved in catalysis
A R, Khan +3 more
openaire +2 more sources