Proline transporter that mediates proline and glycine betaine transport. May be involved in the uptake of compatible solutes from the soil into the roots, or in retrieval of apoplastic amino acids delivered to the roots via the phloem. May be involved in delivery of proline to wounding sites. When expressed in a heterologous system (yeast), imports D- and L-proline, glycine betaine and GABA across the plasma membrane. Has the same affinity for D- and L-proline.

Belongs to the amino acid/polyamine transporter 2 family. Amino acid/auxin permease (AAAP) (TC 2.A.18.3) subfamily.

439 amino acids

MDTSEARNRKVVAVEQFDLEVPETAHQISSDSWFQVAFVLTTGINSAYVLGYSGTVMVPLGWIGGVVGLILATAISLYANTLIAKLHEFGGKRHIRYRDLAGFIYGKKMYRVTWGLQYVNLFMINCGFIILAGSALKAVYVLFRDDSLMKLPHFIAIAGVVCAIFAIGIPHLSALGIWLGVSTILSIIYIIVAIVLSAKDGVNKPERDYNIQGSSINKLFTITGAAANLVFAFNTGMLPEIQATVKQPVVKNMMKALYFQFTVGVLPMYAVTFIGYWAYGSSTSTYLLNSVSGPVWVKALANISAFLQSVISLHIFASPTYEYMDTKYGVKGSPLAMKNLLFRTVARGSYIAVSTLLSALLPFLGDFMSLTGAISTFPLTFILANHMYLVAMNDELSLVQKLWHWLNVCFFGLMSLAAAIAAVRLISVDSKNFHVFADV

48.1 kDa

(Note: Representative image - actual molecular weight may vary depending on tag type and expression method)

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