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HTR3A

This is one of the several different receptors for 5-hydroxytryptamine (serotonin), a biogenic hormone that functions as a neurotransmitter, a hormone, and a mitogen. This receptor is a ligand-gated ion channel, which when activated causes fast, depolarizing responses in neurons. It is a cation-specific, but otherwise relatively nonselective, ion channel.
Protein class

FDA approved drug targets, Transporters

Predicted location

Membrane

Single cell type specificity

Group enriched (Exocrine glandular cells, Pancreatic endocrine cells, Ductal cells)

Immune cell specificity

Group enriched (naive B-cell, plasmacytoid DC, memory B-cell)

Cell line specificity

Cell line enhanced (CAPAN-2, Daudi, NTERA-2, SCLC-21H)

Interaction

Forms pentahomomeric complex as well as pentaheteromeric complex with HTR3B or HTR3C or HTR3D or HTR3E; homomeric complex is functional but exhibits low conductance with modified voltage dependence, and decreased agonist and antagonist affinity. Interacts with RIC3.

Molecular function

Ion channel, Ligand-gated ion channel, Receptor

More Types Infomation

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For Research Use Only. Not For Clinical Use.

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