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Sodium-dependent neutral amino acid transporter (ASCT2)

Target
ASCT2
Molecular classification
Solute Carrier Family SLC1, Transporter
01

Overview

The sodium-dependent neutral amino acid transporter, also known as system ASC or ASCT2 (SLC1A5), is a membrane protein responsible for the sodium-dependent uptake of small neutral amino acids. It plays a crucial role in cellular amino acid homeostasis and is particularly important in tissues such as the brain. It primarily transports alanine, serine, cysteine, threonine, and methionine, with glutamine as its preferred substrate. It has been implicated in cancer metabolism due to its role in glutamine uptake.

Other names
System ASCSLC1A5Alanine, Serine, Cysteine Transporter 2
02

Mechanism of action

Inhibition of glutamine uptake; Inhibition of alanine, serine, cysteine, threonine, and methionine transport

03

Biological functions

Amino acid transportNutrient uptakeCellular amino acid homeostasis
04

Disease associations

Cancer

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