Cited by 732Neuroscience and Neuropharmacology ResearchProtein Kinase Regulation and GTPase SignalingMemory and Neural Mechanisms

The DOI matches its Crossref record; 30 of the 30 references it cites were found in a registry or an index.

Interaction with the NMDA receptor locks CaMKII in an active conformation

Abstract

Calcium- and calmodulin-dependent protein kinase II (CaMKII) and glutamate receptors are integrally involved in forms of synaptic plasticity that may underlie learning and memory. In the simplest model for long-term potentiation, CaMKII is activated by Ca2+ influx through NMDA (N-methyl-D-aspartate) receptors and then potentiates synaptic efficacy by inducing synaptic insertion and increased single-channel conductance of AMPA (alpha-amino-3-hydroxy-5-methyl-4-isoxazole propionic acid) receptors. Here we show that regulated CaMKII interaction with two sites on the NMDA receptor subunit NR2B provides a mechanism for the glutamate-induced translocation of the kinase to the synapse in hippocampal neurons. This interaction can lead to additional forms of potentiation by: facilitated CaMKII response to synaptic Ca2+; suppression of inhibitory autophosphorylation of CaMKII; and, most notably, direct generation of sustained Ca2+/calmodulin (CaM)-independent (autonomous) kinase activity by a mechanism that is independent of the phosphorylation state. Furthermore, the interaction leads to trapping of CaM that may reduce down-regulation of NMDA receptor activity. CaMKII-NR2B interaction may be prototypical for direct activation of a kinase by its targeting protein.

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Crossref · 10.1038/35081080

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Metadata

Authors
Bayer, K.-U., De Koninck, P., Leonard, A. S., Hell, J. W., & Schulman, H.
Affiliations
  • Stanford Medicine (US)
  • University of Iowa (US)
Corresponding author
Bayer, K.-Ulrich
Venue
Nature
Published
2001-06
Volume
411
Issue
6839
Pages
801-805
ISSN
  • 0028-0836 (ISSN-L)
  • 1476-4687
OpenAlex
W2007393704
Cited by
732
References
30
Citations by year
2026: 12 · 2025: 23 · 2024: 28 · 2023: 23 · 2022: 28 · 2021: 28 · 2020: 30 · 2019: 21 · 2018: 26 · 2017: 27 · 2016: 18 · 2015: 23 · 2014: 42 · 2013: 25 · 2012: 37
FWCI
12.97
Type
journal article
Language
en
Open access
closed
Locations
  • Nature (publishedVersion)
  • PubMed (publishedVersion)
  • RePEc: Research Papers in Economics (submittedVersion)
Topics
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuroscience and Neuropharmacology Research
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Protein Kinase Regulation and GTPase Signaling
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Memory and Neural Mechanisms
Keywords
CaMKII, NMDA receptor, NR2B subunit, kinase activation, synaptic plasticity, long-term potentiation, autophosphorylation, hippocampal neurons, glutamate signaling
MeSH terms
Animals, Calcium, Calmodulin, Cell Line, Enzyme Activation, Hippocampus, Neurons, Phosphorylation, Protein Binding, Protein Conformation, Recombinant Fusion Proteins, Receptors, N-Methyl-D-Aspartate, Calcium-Calmodulin-Dependent Protein Kinases, Rats, Calcium-Calmodulin-Dependent Protein Kinase Type 2

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