PXD046450

PXD046450 is an original dataset announced via ProteomeXchange.

Title	Nedd4-2-dependent regulation of astrocytic Kir4.1 and Connexin43 controls neuronal network activity
Description	Nedd4-2 is an E3 ubiquitin ligase in which missense mutation is related to familial epilepsy, indicating its critical role in regulating neuronal network activity. However, Nedd4-2 substrates involved in neuronal network function have yet to be identified. Using mouse lines lacking Nedd4-1 and Nedd4-2 and an isobaric labeling approach for quantitative comparison of the synaptic membrane proteome, we identified astrocytic channel proteins inwardly rectifying potassium channel 4.1 (Kir4.1) and Connexin43 as upregulated in ubiquitin ligase knockout mice and thus as candidate Nedd4-2 substrates. Kir4.1 and Connexin43 were confirmed as Nedd4-2 substrates by independent methods and their functional role in astrocytes as to modulation of neuronal network activity was established.
HostingRepository	PRIDE
AnnounceDate	2023-11-28
AnnouncementXML	Submission_2023-11-28_04:39:35.904.xml
DigitalObjectIdentifier
ReviewLevel	Peer-reviewed dataset
DatasetOrigin	Original dataset
RepositorySupport	Unsupported dataset by repository
PrimarySubmitter	Olaf Jahn
SpeciesList	scientific name: Mus musculus (Mouse); NCBI TaxID: 10090;
ModificationList	No PTMs are included in the dataset
Instrument	LTQ Orbitrap Velos

Revision	Datetime	Status	ChangeLog Entry
0	2023-10-27 05:32:02	ID requested
⏵ 1	2023-11-28 04:39:36	announced

10.1083/JCB.201902050;

submitter keyword: Ubiquitin, protein homeostasis, isobaric labeling, synaptic membranes

Prof. Dr. Henning Urlaub
contact affiliation	Max-Planck-Institute for Multidisciplinary Sciences Bioanalytical Mass Spectrometry Group Am Fassberg 11 D-37077 Goettingen Germany
contact email	henning.urlaub@mpinat.mpg.de
lab head
Olaf Jahn
contact affiliation	Neuroproteomics Group, Max Planck Institute for Multidisciplinary Sciences, Göttingen
contact email	jahn@em.mpg.de
dataset submitter

Dataset FTP location NOTE: Most web browsers have now discontinued native support for FTP access within the browser window. But you can usually install another FTP app (we recommend FileZilla) and configure your browser to launch the external application when you click on this FTP link. Or otherwise, launch an app that supports FTP (like FileZilla) and use this address: ftp://ftp.pride.ebi.ac.uk/pride/data/archive/2023/11/PXD046450

PRIDE project URI

• PRIDE
  1. PXD046450
     1. Label: PRIDE project
     2. Name: Nedd4-2-dependent regulation of astrocytic Kir4.1 and Connexin43 controls neuronal network activity