SUT4 (SUCROSE TRANSPORTER 4); carbohydrate transmembrane transporter/ sucrose transmembrane transporter/ sucrose:hydrogen symporter/ sugar:hydrogen ion symporter. Identical to Sucrose transport protein SUC4 (SUC4) [Arabidopsis Thaliana] (GB:Q9FE59;GB:O04516;GB:Q9M3R4); similar to SUC2 (SUCROSE-PROTON SYMPORTER 2), carbohydrate transmembrane transporter/ sucrose transmembrane transporter/ sucrose:hydrogen symporter/ sugar:hydrogen ion symporter [Arabidopsis thaliana] (TAIR:AT1G22710.1); similar to putative sucrose-H+ symporter [Datisca glomerata] (GB:CAG70682.1); similar to sucrose transporter 5 [Hevea brasiliensis] (GB:ABK60189.1); similar t