Diversity of function and mechanism in a family of organic anion transporters.

Diversity of function and mechanism in a family of organic anion transporters.
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DOI:
10.1016/j.sbi.2022.102399
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发表时间:
2022-08
影响因子:
6.8
通讯作者:
Edwards RH
Edwards RH
中科院分区:
生物学2区
文献类型:
--
作者:
Li F;Eriksen J;Finer-Moore J;Stroud RM;Edwards RH

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Originally identified as transporters for inorganic phosphate, solute carrier 17 (SLC17) family proteins subserve diverse physiological roles. The vesicular glutamate transporters (VGLUTs) package the principal excitatory neurotransmitter glutamate into synaptic vesicles (SVs). In contrast, the closely related sialic acid transporter sialin mediates the flux of sialic acid in the opposite direction, from lysosomes to the cytoplasm. The two proteins couple in different ways to the H+ electrochemical gradient driving force, and high-resolution structures of the Escherichia coli homolog D-galactonate transporter (DgoT) and more recently rat VGLUT2 now begin to suggest the mechanisms involved as well as the basis for substrate specificity.
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