HAK5 (High affinity K+ transporter 5); potassium ion transmembrane transporter. Identical to Potassium transporter 5 (POT5) [Arabidopsis Thaliana] (GB:Q9M7K4;GB:Q9T0L3); similar to potassium transporter family protein [Arabidopsis thaliana] (TAIR:AT1G60160.1); similar to HAK5 [Solanum lycopersicum] (GB:ABF22603.1); similar to high-affinity K+ transporter [Capsicum annuum] (GB:AAT58045.1); similar to unnamed protein product [Vitis vinifera] (GB:CAO42092.1); contains InterPro domain K+ potassium transporter; (InterPro:IPR003855)