IRT1 (IRON-REGULATED TRANSPORTER 1); cadmium ion transmembrane transporter/ iron ion transmembrane transporter/ manganese ion transmembrane transporter/ zinc ion transmembrane transporter. Identical to Fe (IRT1) [Arabidopsis Thaliana] (GB:Q38856;GB:Q8LBP0); similar to ZIP8 (ZINC TRANSPORTER 8 PRECURSOR), cation transmembrane transporter [Arabidopsis thaliana] (TAIR:AT5G45105.1); similar to Fe(II) transport protein IRT1 [Arabidopsis halleri subsp. halleri] (GB:CAE30485.1); contains InterPro domain Zinc/iron permease; (InterPro:IPR003689)