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The laforin/malin E3-ubiquitin ligase complex ubiquitinates pyruvate kinase M1/M2

Overview of attention for article published in BMC Molecular and Cell Biology, October 2015
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Title
The laforin/malin E3-ubiquitin ligase complex ubiquitinates pyruvate kinase M1/M2
Published in
BMC Molecular and Cell Biology, October 2015
DOI 10.1186/s12858-015-0053-6
Pubmed ID
Authors

Rosa Viana, Pablo Lujan, Pascual Sanz

Abstract

Lafora disease (LD, OMIM 254780) is a fatal neurodegenerative disorder produced mainly by mutations in two genes: EPM2A, encoding the dual specificity phosphatase laforin, and EPM2B, encoding the E3-ubiquitin ligase malin. Although it is known that laforin and malin may form a functional complex, the underlying molecular mechanisms of this pathology are still far from being understood. In order to gain information about the substrates of the laforin/malin complex, we have carried out a yeast substrate-trapping screening, originally designed to identify substrates of protein tyrosine phosphatases. Our results identify the two muscular isoforms of pyruvate kinase (PKM1 and PKM2) as novel interaction partners of laforin. We present evidence indicating that the laforin/malin complex is able to interact with and ubiquitinate both PKM1 and PKM2. This post-translational modification, although it does not affect the catalytic activity of PKM1, it impairs the nuclear localization of PKM2.

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Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 24 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 24 100%

Demographic breakdown

Readers by professional status Count As %
Student > Ph. D. Student 5 21%
Student > Bachelor 3 13%
Researcher 3 13%
Student > Postgraduate 2 8%
Student > Master 2 8%
Other 2 8%
Unknown 7 29%
Readers by discipline Count As %
Biochemistry, Genetics and Molecular Biology 5 21%
Agricultural and Biological Sciences 5 21%
Pharmacology, Toxicology and Pharmaceutical Science 2 8%
Medicine and Dentistry 2 8%
Computer Science 1 4%
Other 1 4%
Unknown 8 33%
Attention Score in Context

Attention Score in Context

This research output has an Altmetric Attention Score of 2. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 24 October 2015.
All research outputs
#16,721,717
of 25,374,647 outputs
Outputs from BMC Molecular and Cell Biology
#740
of 1,233 outputs
Outputs of similar age
#167,309
of 294,831 outputs
Outputs of similar age from BMC Molecular and Cell Biology
#6
of 17 outputs
Altmetric has tracked 25,374,647 research outputs across all sources so far. This one is in the 32nd percentile – i.e., 32% of other outputs scored the same or lower than it.
So far Altmetric has tracked 1,233 research outputs from this source. They receive a mean Attention Score of 4.0. This one is in the 37th percentile – i.e., 37% of its peers scored the same or lower than it.
Older research outputs will score higher simply because they've had more time to accumulate mentions. To account for age we can compare this Altmetric Attention Score to the 294,831 tracked outputs that were published within six weeks on either side of this one in any source. This one is in the 40th percentile – i.e., 40% of its contemporaries scored the same or lower than it.
We're also able to compare this research output to 17 others from the same source and published within six weeks on either side of this one. This one has gotten more attention than average, scoring higher than 64% of its contemporaries.