
Ras assemblies and signaling at the membrane - ScienceDirect
Jun 1, 2020 · Oncogenic Ras assembles and activates its effectors at the membrane, initiating signaling pathways that lead to cell growth and proliferation [1••, 2•, 3•]. The two major …
A structural model of a Ras–Raf signalosome - PMC - PubMed …
In the human mitogen-activated protein kinase (MAPK) pathway, which is implicated in many cancers, multiple K-Ras proteins are thought to assemble at the cell membrane with Ras …
Ras nanoclusters: molecular structure and assembly - PMC
H-, N- and K-ras4B are lipid-anchored, peripheral membrane guanine nucleotide binding proteins. Recent work has shown that Ras proteins are laterally segregated into non-overlapping, …
Plasma membrane-associated ARAF condensates fuel RAS-related …
Jan 27, 2025 · Our findings delineate ARAF–RAS protein condensates as distinct subcellular structures sustaining RAS activity and facilitating oncogenic RAS signaling. Targeting …
A molecular assembly phase transition and kinetic ... - Science
Mar 8, 2019 · In this study, we designed a single-molecule assay to resolve the time between initial receptor-mediated membrane recruitment and the initiation of GEF activity of individual …
Abstract 2619: Characterization of RAS assembly architectures in …
Apr 4, 2023 · The structure and composition of membrane-bound RAS complexes is dynamic, but defined states appear to exist. We previously found biological and biophysical evidence for two …
Kinase-mediated RAS signaling via membraneless cytoplasmic …
May 13, 2021 · Our findings reveal membraneless, higher-order cytoplasmic protein assembly as a distinct subcellular platform for organizing oncogenic RTK and RAS signaling.
Ras and the Plasma Membrane: A Complicated Relationship
In this review, we will discuss the spatiotemporal organization of Ras proteins on the cell plasma membrane (PM) and the emergent signaling consequences of the attendant spatial distribution …
Conditional Cooperativity in the RAS Assembly Pathway on …
Feb 2, 2024 · Here, size-tunable nanodisc platforms and paramagnetic relaxation enhancement (PRE) analyses revealed the structural basis of cooperative assembly processes of fully …
Signaling from Ras to Rac and beyond: not just a matter of GEFs
Jun 1, 2000 · In addition to being regulated by Ras, Rho‐GTPases establish a network of stimulatory/inhibitory functional interactions among themselves. We will focus on the current …
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