ArticleInternational journal of molecular sciences2022
The Role of Arrestin-1 Middle Loop in Rhodopsin Binding.
Article in International journal of molecular sciences, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 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.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
7 citing papers in PubMed, 10 citations in OpenAlex.
- Deceptive beauty of non-natural structures.Protein science : a publication of the Protein Society · 2026Review
- The Functional Role of Gate Loop Residues in Arrestin Binding to GPCRs.International journal of molecular sciences · 2025Article
- The role of arrestin-1 N-edge in rhodopsin binding.Cellular signalling · 2025Article
- The Role of Individual Residues in the N-Terminus of Arrestin-1 in Rhodopsin Binding.International journal of molecular sciences · 2025Article
- Arrestins: A Small Family of Multi-Functional Proteins.International journal of molecular sciences · 2024Review
- Functional Role of Arrestin-1 Residues Interacting with Unphosphorylated Rhodopsin Elements.International journal of molecular sciences · 2023Article
- Posttranslational modifications of proteins in diseased retina.Frontiers in cellular neuroscience · 2023Review
Corrections and comments
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Authors and funding
6 authors at 2 institutions in 1 country.
Funding
Abstract
Arrestins preferentially bind active phosphorylated G protein-coupled receptors (GPCRs). The middle loop, highly conserved in all arrestin subtypes, is localized in the central crest on the GPCR-binding side. Upon receptor binding, it directly interacts with bound GPCR and demonstrates the largest movement of any arrestin element in the structures of the complexes. Comprehensive mutagenesis of the middle loop of rhodopsin-specific arrestin-1 suggests that it primarily serves as a suppressor of binding to non-preferred forms of the receptor. Several mutations in the middle loop increase the binding to unphosphorylated light-activated rhodopsin severalfold, which makes them candidates for improving enhanced phosphorylation-independent arrestins. The data also suggest that enhanced forms of arrestin do not bind GPCRs exactly like the wild-type protein. Thus, the structures of the arrestin-receptor complexes, in all of which different enhanced arrestin mutants and reengineered receptors were used, must be interpreted with caution.
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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.