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Dynamin 2 Polyclonal Antibody

RRID:AB_2293040

Antibody ID

AB_2293040

Target Antigen

Dynamin 2 human

Proper Citation

(Thermo Fisher Scientific Cat# PA1-661, RRID:AB_2293040)

Clonality

polyclonal antibody

Comments

Applications: ICC (2 µg/mL), IF (2 µg/mL), WB (2-4 µg/mL)

Host Organism

rabbit

Vendor

Thermo Fisher Scientific Go To Vendor

Cat Num

PA1-661

Publications that use this research resource

Small molecule induced oligomerization, clustering and clathrin-independent endocytosis of the dopamine transporter.

  • Sorkina T
  • Elife
  • 2018 Apr 9

Literature context:


Abstract:

Clathrin-independent endocytosis (CIE) mediates internalization of many transmembrane proteins but the mechanisms of cargo recruitment during CIE are poorly understood. We found that the cell-permeable furopyrimidine AIM-100 promotes dramatic oligomerization, clustering and CIE of human and mouse dopamine transporters (DAT), but not of their close homologues, norepinephrine and serotonin transporters. All effects of AIM-100 on DAT and the occupancy of substrate binding sites in the transporter were mutually exclusive, suggesting that AIM-100 may act by binding to DAT. Surprisingly, AIM-100-induced DAT endocytosis was independent of dynamin, cholesterol-rich microdomains and actin cytoskeleton, implying that a novel endocytic mechanism is involved. AIM-100 stimulated trafficking of internalized DAT was also unusual: DAT accumulated in early endosomes without significant recycling or degradation. We propose that AIM-100 augments DAT oligomerization through an allosteric mechanism associated with the DAT conformational state, and that oligomerization-triggered clustering leads to a coat-independent endocytosis and subsequent endosomal retention of DAT.

Funding information:
  • National Institutes of Health - DA014204()
  • NIAID NIH HHS - U01 AI101981(United States)