ArticleCells2023
GPCR Binding and JNK3 Activation by Arrestin-3 Have Different Structural Requirements.
Article in Cells, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 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
9 citing papers in PubMed, 11 citations in OpenAlex.
- Cytoplasmic tail diversity determines the effector bias of the adhesion GPCR ADGRL2.Cell chemical biology · 2026Article
- Arrestin-3 sca-olds multiple MAP3Ks driving stress-induced JNK3 activation and cell death.bioRxiv : the preprint server for biology · 2026Article
- Deceptive beauty of non-natural structures.Protein science : a publication of the Protein Society · 2026Review
- Cytoplasmic tail composition modulates the G protein and arrestin-3 signaling bias of the adhesion GPCR LPHN2.bioRxiv : the preprint server for biology · 2025Article
- The Role of Individual Residues in the N-Terminus of Arrestin-1 in Rhodopsin Binding.International journal of molecular sciences · 2025Article
- Arrestin-3-assisted activation of JNK3 mediates dopaminergic behavioral sensitization.Cell reports. Medicine · 2024Article
- GPCR-dependent and -independent arrestin signaling.Trends in pharmacological sciences · 2024Review
- Arrestins: A Small Family of Multi-Functional Proteins.International journal of molecular sciences · 2024Review
- Do arrestin oligomers have specific functions?Cell signaling · 2023Article
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Authors and funding
6 authors at 1 institution in 1 country.
Funding
Abstract
Arrestins bind active phosphorylated G protein-coupled receptors (GPCRs). Among the four mammalian subtypes, only arrestin-3 facilitates the activation of JNK3 in cells. In available structures, Lys-295 in the lariat loop of arrestin-3 and its homologue Lys-294 in arrestin-2 directly interact with the activator-attached phosphates. We compared the roles of arrestin-3 conformational equilibrium and Lys-295 in GPCR binding and JNK3 activation. Several mutants with enhanced ability to bind GPCRs showed much lower activity towards JNK3, whereas a mutant that does not bind GPCRs was more active. The subcellular distribution of mutants did not correlate with GPCR recruitment or JNK3 activation. Charge neutralization and reversal mutations of Lys-295 differentially affected receptor binding on different backgrounds but had virtually no effect on JNK3 activation. Thus, GPCR binding and arrestin-3-assisted JNK3 activation have distinct structural requirements, suggesting that facilitation of JNK3 activation is the function of arrestin-3 that is not bound to a GPCR.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.