similar to tetracycline transporter [Arabidopsis thaliana] (TAIR:AT2G16990.1); similar to unknown protein [Arabidopsis thaliana] (TAIR:AT2G16990.2); similar to unknown [Populus trichocarpa] (GB:ABK95031.1); contains InterPro domain Major facilitator superfamily MFS-1 (InterPro:IPR011701); contains InterPro domain MFS general substrate transporter (InterPro:IPR016196)