Sodium-hydrogen antiporter 3 regulator 1
Sodium-hydrogen antiporter 3 regulator 1 is a regulator of Sodium-hydrogen antiporter 3. It is encoded by the gene SLC9A3R1. It is also known as ERM Binding Protein 50 (EBP50) or Na+/H+ Exchanger Regulatory Factor (NHERF1). It is believed[1] to interact via long-range allostery, involving significant protein dynamics.
Mechanism
Members of the ezrin (VIL2; MIM 123900)-radixin (RDX; MIM 179410)-moesin (MSN; MIM 309845) (ERM) protein family are highly concentrated in the apical aspect of polarized epithelial cells. These cells are studded with microvilli containing bundles of actin filaments, which must attach to the membrane to assemble and maintain the microvilli. The ERM proteins, together with merlin, the NF2 (MIM 607379) gene product, are thought to be linkers between integral membrane and cytoskeletal proteins, and they bind directly to actin in vitro. Actin cytoskeleton reorganization requires the activation of a sodium/hydrogen exchanger (SLC9A3; MIM 182307). SLC9A3R1 is an ERM-binding protein.[supplied by OMIM][2]
Interactions
Sodium-hydrogen antiporter 3 regulator 1 has been shown to interact with:
See also
- Cystic fibrosis transmembrane conductance regulator
- Ezrin
- Moesin
- Neutron spin echo
- Radixin
- Solute carrier family
References
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: CS1 maint: multiple names: authors list (link) - ^ "Entrez Gene: SLC9A3R1 solute carrier family 9 (sodium/hydrogen exchanger), member 3 regulator 1".
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Further reading
This article incorporates text from the United States National Library of Medicine, which is in the public domain.