ArticleScience advances2025
NRBP1 pseudokinase binds to and activates the WNK pathway in response to osmotic stress.
Article in Science advances, 2025. 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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Who cites it
6 citing papers in PubMed.
- Black Sheep: Pseudokinases Bucking the Trend to Reveal Non-Catalytic Kinase Functions.IUBMB life · 2026Review
- Bridging structure and function: artificial intelligence-based modelling of kidney proteins.Nature reviews. Nephrology · 2026Review
- Paired CRISPR screens identify mitochondrial metabolism and UBE2H as aneuploid-specific dependencies in human cancer cell lines.bioRxiv : the preprint server for biology · 2026Article
- Targeting WNK1 suppresses acute myeloid leukemia progression and enhances sensitivity to venetoclax.Frontiers in oncology · 2026Article
- NRBP1 and TSC22D proteins affect distal convoluted tubule physiology through modulation of the WNK pathway.Science advances · 2025Article
- NRBP1 and TSC22D proteins impact distal convoluted tubule physiology through modulation of the WNK pathway.bioRxiv : the preprint server for biology · 2024Article
Corrections and comments
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Authors and funding
14 authors.
Funding
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Abstract
WNK family kinases are regulated by osmotic stress and control ion homeostasis by activating SPAK and OXSR1 kinases. Using a proximity labeling approach, we found that osmotic stress promotes the association of WNK1 with the NRBP1 pseudokinase and TSC22D2/4 adaptor proteins, results that are confirmed by immunoprecipitation, mass spectrometry, and immunoblotting studies. NRBP1 pseudokinase is closely related to WNK isoforms and contains a RΦ-motif-binding conserved C-terminal (CCT) domain, like the CCT domains in WNKs, SPAK, and OXSR1. Knockdown or knockout of NRBP1 markedly inhibited basal as well as sorbitol-induced activation of WNK1 and downstream components. We demonstrate that recombinant NRBP1 can directly induce the activation of WNK4 in vitro. AlphaFold-3 modeling predicts that WNK1, SPAK, NRBP1, and TSC22D4 form a complex, in which two TSC22D4 RΦ-motifs interact with the CCTL1 domain of WNK1 and the CCT domain of NRBP1. Our data indicate that NRBP1 and likely its close homolog NRBP2 function as an upstream activator of the WNK pathway.
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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.