Species	Reference gene ID	Possible function	Papers / DOI
Arabidopsis	At2g40460	Protein NRT1/ PTR FAMILY 5.1.	No verified direct reference in this release
Arabidopsis	At5g46050	Peptide transporter involved in stress tolerance in seeds during germination and in defense against virulent bacterial pathogens.	Structural and functional characterization of AtPTR3, a stress-induced peptide transporter of Arabidopsis.; 2005; DOI: 10.1007/s00894-005-0257-6; PMID: 15889294; https://pubmed.ncbi.nlm.nih.gov/15889294/ | AtPTR3, a wound-induced peptide transporter needed for defence against virulent bacterial pathogens in Arabidopsis.; 2007; DOI: 10.1007/s00425-006-0451-5; PMID: 17143616; https://pubmed.ncbi.nlm.nih.gov/17143616/
Arabidopsis	At5g46040	Peptide transporter.	No verified direct reference in this release
Arabidopsis	At3g54140	Peptide transporter.	AtPTR1, a plasma membrane peptide transporter expressed during seed germination and in vascular tissue of Arabidopsis.; 2004; DOI: 10.1111/j.1365-313x.2004.02224.x; PMID: 15500465; https://pubmed.ncbi.nlm.nih.gov/15500465/ | AtPTR1 and AtPTR5 transport dipeptides in planta.; 2008; DOI: 10.1104/pp.108.123844; PMID: 18753286; https://pubmed.ncbi.nlm.nih.gov/18753286/
Arabidopsis	At5g01180	Peptide transporter.	AtPTR1 and AtPTR5 transport dipeptides in planta.; 2008; DOI: 10.1104/pp.108.123844; PMID: 18753286; https://pubmed.ncbi.nlm.nih.gov/18753286/