Post-translational modification of RAS proteins

SL Campbell, MR Philips - Current opinion in structural biology, 2021 - Elsevier
Mutations of RAS genes drive cancer more frequently than any other oncogene. RAS
proteins integrate signals from a wide array of receptors and initiate downstream signaling …

Divergent mechanisms activating RAS and small GTPases through post-translational modification

N Osaka, Y Hirota, D Ito, Y Ikeda, R Kamata… - Frontiers in Molecular …, 2021 - frontiersin.org
RAS is a founding member of the RAS superfamily of GTPases. These small 21 kDa proteins
function as molecular switches to initialize signaling cascades involved in various cellular …

Map** the KRAS proteoform landscape in colorectal cancer identifies truncated KRAS4B that decreases MAPK signaling

LM Adams, CJ DeHart, BS Drown, LC Anderson… - Journal of Biological …, 2023 - jbc.org
The KRAS gene is one of the most frequently mutated oncogenes in human cancer and
gives rise to two isoforms, KRAS4A and KRAS4B. KRAS post-translational modifications …

[HTML][HTML] Biomarker Landscape in RASopathies

N Ferrito, J Báez-Flores, M Rodríguez-Martín… - International Journal of …, 2024 - mdpi.com
RASopathies are a group of related genetic disorders caused by mutations in genes within
the RAS/MAPK signaling pathway. This pathway is crucial for cell division, growth, and …

KRAS ubiquitination at lysine 104 retains exchange factor regulation by dynamically modulating the conformation of the interface

G Yin, J Zhang, V Nair, V Truong, A Chaia, J Petela… - IScience, 2020 - cell.com
RAS proteins function as highly regulated molecular switches that control cellular growth. In
addition to regulatory proteins, RAS undergoes a number of posttranslational modifications …

Early-stage structure-based drug discovery for small GTPases by NMR spectroscopy

G Yin, G Lv, J Zhang, H Jiang, T Lai, Y Yang… - Pharmacology & …, 2022 - Elsevier
Abstract Small GTPase or Ras superfamily, including Ras, Rho, Rab, Ran and Arf, are
fundamental in regulating a wide range of cellular processes such as growth, differentiation …

[HTML][HTML] The four homeostasis knights: in balance upon post-translational modifications

S Pieroni, M Castelli, D Piobbico… - International journal of …, 2022 - mdpi.com
A cancer outcome is a multifactorial event that comes from both exogenous injuries and an
endogenous predisposing background. The healthy state is guaranteed by the fine-tuning of …

Lysines K117 and K147 play conserved roles in Ras activation from Drosophila to mammals

J Singh, P Karunaraj, M Luf… - G3: Genes, Genomes …, 2023 - academic.oup.com
Ras signaling plays an important role in growth, proliferation, and developmental patterning.
Maintaining appropriate levels of Ras signaling is important to establish patterning in …

[PDF][PDF] Decreasing in Lysine Reflect Lysosomal Dysfunction and Accumulated Phenylalanine which Connected to WMH and CVD and Both of Phenylke-tonuria and …

AME Tantawi - Clin Onco, 2024 - clinicsofoncology.org
_ Lysine is the basis of lysine acylation (which formed upon AT-Pase effective function which
regulated by lysine “AAG AAA”) important for aminoacyl-tRNAs production which regulate …

Overcoming immune evasion from post-translational modification of a mutant KRAS epitope to achieve TCR-T cell-mediated antitumor activity

JW Lee, EY Chen, T Hu, R Perret, ME Chaffee… - bioRxiv, 2024 - biorxiv.org
Abstract T cell receptor (TCR)-T cell immunotherapy, in which T cells are engineered to
express a TCR targeting a tumor epitope, is a form of adoptive cell therapy (ACT) that has …