Species	Reference gene ID	Possible function	Papers / DOI
Arabidopsis	At2g20780	Plasma membrane sugar-proton symporter.	No verified direct reference in this release
Arabidopsis	At3g18830	Plasma membrane broad-spectrum sugar-proton symporter.	Analysis of transport activity of Arabidopsis sugar alcohol permease homolog AtPLT5.; 2005; DOI: 10.1074/jbc.m410831200; PMID: 15525644; https://pubmed.ncbi.nlm.nih.gov/15525644/ | Arabidopsis POLYOL TRANSPORTER5, a new member of the monosaccharide transporter-like superfamily, mediates H+-Symport of numerous substrates, including myo-inositol, glycerol, and ribose.; 2005; DOI: 10.1105/tpc.104.026641; PMID: 15598803; https://pubmed.ncbi.nlm.nih.gov/15598803/
Arabidopsis	At2g16120	Plasma membrane sugar-proton symporter.	No verified direct reference in this release
Arabidopsis	At2g16130	Plasma membrane sugar-proton symporter.	No verified direct reference in this release
Arabidopsis	At2g18480	Plasma membrane sugar-proton symporter.	No verified direct reference in this release