ArticleCellular and molecular life sciences : CMLS2014
A "SYDE" effect of hierarchical phosphorylation: possible relevance to the cystic fibrosis basic defect.
Article in Cellular and molecular life sciences : CMLS, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
What it found
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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
6 citing papers in PubMed, 8 citations in OpenAlex.
- Restoration of CFTR function in patients with cystic fibrosis carrying the F508del-CFTR mutation.Autophagy · 2014Trial
- CK2 Regulation: Perspectives in 2021.Biomedicines · 2021Review
- Manipulating proteostasis to repair the F508del-CFTR defect in cystic fibrosis.Molecular and cellular pediatrics · 2016Review
- Potential sites of CFTR activation by tyrosine kinases.Channels (Austin, Tex.) · 2016Article
- Regulation of the cystic fibrosis transmembrane conductance regulator anion channel by tyrosine phosphorylation.FASEB journal : official publication of the Federation of American Societies for Experimental Biology · 2015Article
- Full-open and closed CFTR channels, with lateral tunnels from the cytoplasm and an alternative position of the F508 region, as revealed by molecular dynamics.Cellular and molecular life sciences : CMLS · 2015Article
Corrections and comments
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Authors and funding
5 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The motif "SYDE", incorporating the protein kinase CK2 consensus sequence (S-x-x-E) has been found to be phosphorylated at both its serine and tyrosine residues in several proteins. Of special interest is the case of cystic fibrosis Transmembrane-conductance Regulator (CFTR), where this motif is close to the residue (F508), whose deletion is the by far commonest cause of cystic fibrosis. Intriguingly, however, CFTR S511 cannot be phosphorylated by CK2 to any appreciable extent. Using a number of peptide substrates encompassing the CFTR "SYDE" site we have recently shown that: (1) failure of CK2 to phosphorylate the S(511)YDE motif is due to the presence of Y512; (2) CK2 readily phosphorylates S511 if Y512 is replaced by a phospho-tyrosine; (3) the Src family protein tyrosine kinase Lyn phosphorylates Y512 in a manner that is enhanced by the deletion of F508. These data, in conjunction with the recent observation that by inhibiting CK2 the degradation of F508delCFTR is reduced, lead us to hypothesize that the hierarchical phosphorylation of the motif SYDE by the concerted action of protein tyrosine kinases and CK2 is one of the mechanisms that cooperate to the premature degradation of F508delCFTR.
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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.