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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 to interact via long-range
allostery In biochemistry, allosteric regulation (or allosteric control) is the regulation of an enzyme by binding an effector molecule at a site other than the enzyme's active site. The site to which the effector binds is termed the ''allosteric site ...
, involving significant
protein dynamics Proteins are generally thought to adopt unique structures determined by their amino acid sequences. However, proteins are not strictly static objects, but rather populate ensembles of (sometimes similar) conformations. Transitions between these stat ...
.


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. upplied by OMIMref name="entrez">


Interactions

Sodium-hydrogen antiporter 3 regulator 1 has been shown to
interact Advocates for Informed Choice, dba interACT or interACT Advocates for Intersex Youth, is a 501(c)(3) nonprofit organization using innovative strategies to advocate for the legal and human rights of children with intersex traits. The organizati ...
with: * ADRB2, *
Beta-catenin Catenin beta-1, also known as beta-catenin (β-catenin), is a protein that in humans is encoded by the ''CTNNB1'' gene. Beta-catenin is a dual function protein, involved in regulation and coordination of cell–cell adhesion and gene transcripti ...
, *
CFTR Cystic fibrosis transmembrane conductance regulator (CFTR) is a membrane protein and anion channel in vertebrates that is encoded by the ''CFTR'' gene. Geneticist Lap-Chee Tsui and his team identified the CFTR gene in 1989 as the gene linked wit ...
, *
GNAQ Guanine nucleotide-binding protein G(q) subunit alpha is a protein that in humans is encoded by the ''GNAQ'' gene. Together with GNA11 (its paralogue), it functions as a Gq alpha subunit. Function Guanine nucleotide-binding proteins are a fami ...
, * OPRK1, * PAG1, *
PDGFRA PDGFRA, i.e. platelet-derived growth factor receptor A, also termed PDGFRα, i.e. platelet-derived growth factor receptor α, or CD140a i.e. Cluster of Differentiation 140a, is a receptor located on the surface of a wide range of cell types. This re ...
, *
PDGFRB Platelet-derived growth factor receptor beta is a protein that in humans is encoded by the ''PDGFRB'' gene. Mutations in PDGFRB are mainly associated with the clonal eosinophilia class of malignancies. Gene The ''PDGFRB'' gene is located on hu ...
, *
PDZK1 Na(+)/H(+) exchange regulatory cofactor NHE-RF3 is a protein that in humans is encoded by the ''PDZK1'' gene. Interactions PDZK1 has been shown to interact with: * AKAP10, * CLCN3, * Cystic fibrosis transmembrane conductance regulator * FAR ...
, *
PTH1R Parathyroid hormone/parathyroid hormone-related peptide receptor, also known as parathyroid hormone 1 receptor (PTH1R), is a protein that in humans is encoded by the ''PTH1R'' gene. PTH1R functions as a receptor for parathyroid hormone ( PTH) and f ...
, *
SLC4A8 Electroneutral sodium bicarbonate exchanger 1 is a protein that in humans is encoded by the ''SLC4A8'' gene. See also * Solute carrier family * cotransporter Interactions SLC4A8 has been shown to interact with Sodium-hydrogen antiporter 3 r ...
, *
YAP1 YAP1 (yes-associated protein 1), also known as YAP or YAP65, is a protein that acts as a transcription coregulator that promotes transcription of genes involved in cellular proliferation and suppressing apoptotic genes. YAP1 is a component in th ...
, and * EZR


See also

*
Cystic fibrosis transmembrane conductance regulator Cystic fibrosis transmembrane conductance regulator (CFTR) is a membrane protein and anion channel in vertebrates that is encoded by the ''CFTR'' gene. Geneticist Lap-Chee Tsui and his team identified the CFTR gene in 1989 as the gene linked wit ...
*
Ezrin Ezrin also known as cytovillin or villin-2 is a protein that in humans is encoded by the ''EZR'' gene. Structure The N-terminus of ezrin contains a FERM domain which is further subdivided into three subdomains. The C-terminus contain an ERM d ...
*
Moesin Moesin is a protein that in humans is encoded by the ''MSN'' gene. Moesin (for membrane-organizing extension spike protein) is a member of the ERM protein family which includes ezrin and radixin. ERM proteins appear to function as cross-linkers b ...
*
Neutron spin echo Neutron spin echo spectroscopy is an inelastic neutron scattering technique invented by Ferenc Mezei in the 1970s, and developed in collaboration with John Hayter. In recognition of his work and in other areas, Mezei was awarded the first Walte ...
*
Radixin Radixin is a protein that in humans is encoded by the ''RDX'' gene. Radixin is a cytoskeletal protein that may be important in linking actin to the plasma membrane. It is highly similar in sequence to both ezrin and moesin. The radixin gene has b ...
* Solute carrier family


References


Further reading

* * * * * * * * * * * {{Membrane transport proteins Solute carrier family