Protein
Proline transporter 3
Organism
Arabidopsis thaliana
Function
Proline transporter that mediates proline and glycine betaine transport. When expressed in a heterologous system (yeast), imports L-proline, glycine betaine and GABA across the plasma membrane.
Similarity
Belongs to the amino acid/polyamine transporter 2 family. Amino acid/auxin permease (AAAP) (TC 2.A.18.3) subfamily.
Sequence
MNSKNRINNVGEGVDIEIPDTAHQISSDSWFQAAFVLTTSINSAYVLGYSGTVMVPLGWIGGVVGLILATAISLYANTLVAKLHEFGGKRHIRYRDLAGFIYGRKAYCLTWVLQYVNLFMINCGFIILAGSALKAVYVLFRDDHAMKLPHFIAIAGLICAVFAIGIPHLSALGIWLAVSTILSLIYIVVAIVLSVKDGVKAPSRDYEIQGSPLSKLFTITGAAATLVFVFNTGMLPEIQATVKQPVVKNMMKALYFQFTVGVLPMFAVVFIGYWAYGSSTSPYLLNNVNGPLWVKALANISAILQSVISLHIFASPTYEYMDTKFGIKGNPLALKNLLFRIMARGGYIAVSTLLSALLPFLGDFMSLTGAVSTFPLTFILANHMYYKAKNNKLNTLQKLCHWLNVVFFSLMSVAAAIAALRLIALDSKNFHVFADL