Synaptogyrin-3 Involved in the positive regulation of dopamine transporter activity. Probably facilitates the physical and functional interactions of the transporter with the dopamine vesicular storage system, allowing a more efficient loading of the vesicles with extracellular dopamine after release (By similarity). 229 SNG3_BOVIN MEGGSFGAGRAGAALDPVSFARRPQTLLRVASWVFSIAVFGPIVNEGYVNADSGPELRCVFNGNAGACRFGVALGLGAFLACSCFLLLDVRFQQISSVRDRRRAVLLDLGFSGLWSFLWFVGFCFLTNQWQRTAPGPGTAQAGDAARAVITFSFFSILSWVALTVKALQRFRLGTDMSLFATEQLGAGAGQTYPGYPVGSGVEGTDTYQSPPFTETLDTSPKGYQVPAY SYNGR3