ArticleProceedings of the National Academy of Sciences of the United States of America2023
Linear motif specificity in signaling through p38α and ERK2 mitogen-activated protein kinases.
Article in Proceedings of the National Academy of Sciences of the United States of America, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
4 citing papers in PubMed, 7 citations in OpenAlex.
- Article
- Fuzziness in enzymatic catalysis.Current opinion in structural biology · 2025Review
- Discovery of effectors for casein kinase signaling in the African trypanosome.Scientific reports · 2025Article
- Linear motif specificity in signaling through p38α and ERK2 mitogen-activated protein kinases.Proceedings of the National Academy of Sciences of the United States of America · 2023Article
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Authors and funding
5 authors at 1 institution in 1 country.
Funding
Abstract
Mitogen-activated protein kinase (MAPK) cascades are essential for eukaryotic cells to integrate and respond to diverse stimuli. Maintaining specificity in signaling through MAPK networks is key to coupling distinct inputs to appropriate cellular responses. Docking sites-short linear motifs found in MAPK substrates, regulators, and scaffolds-can promote signaling specificity through selective interactions, but how they do so remains unresolved. Here, we screened a proteomic library for sequences interacting with the MAPKs extracellular signal-regulated kinase 2 (ERK2) and p38α, identifying selective and promiscuous docking motifs. Sequences specific for p38α had high net charge and lysine content, and selective binding depended on a pair of acidic residues unique to the p38α docking interface. Finally, we validated a set of full-length proteins harboring docking sites selected in our screens to be authentic MAPK interactors and substrates. This study identifies features that help define MAPK signaling networks and explains how specific docking motifs promote signaling integrity.
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