PIN1 (PIN-FORMED 1); transporter. Identical to Auxin efflux carrier component 1 (PIN1) [Arabidopsis Thaliana] (GB:Q9C6B8;GB:Q9ZSY5;GB:Q9ZSY6); similar to PIN3 (PIN-FORMED 3), auxin:hydrogen symporter/ transporter [Arabidopsis thaliana] (TAIR:AT1G70940.1); similar to PIN4 (PIN-FORMED 4), auxin:hydrogen symporter/ transporter [Arabidopsis thaliana] (TAIR:AT2G01420.1); similar to PIN7 (PIN-FORMED 7), auxin:hydrogen symporter/ transporter [Arabidopsis thaliana] (TAIR:AT1G23080.1); similar to auxin efflux carrier [Momordica charantia] (GB:AAQ14257.1); similar to PIN1-like auxin transport protein [Cucumis sativus] (GB:BAC41319.1); similar to AEC1