Species	Reference gene ID	Possible function	Papers / DOI
Arabidopsis	At1g69850	Low-affinity proton-dependent nitrate transporter.	Identification of an abscisic acid transporter by functional screening using the receptor complex as a sensor.; 2012; DOI: 10.1073/pnas.1203567109; PMID: 22645333; https://pubmed.ncbi.nlm.nih.gov/22645333/ | Nitrate does not compete with abscisic acid as a substrate of AtNPF4.6/NRT1.2/AIT1 in Arabidopsis.; 2013; DOI: 10.4161/psb.26624; PMID: 24084651; https://pubmed.ncbi.nlm.nih.gov/24084651/
Arabidopsis	At1g27040	Involved in abscisic acid transport.	No verified direct reference in this release
Arabidopsis	At1g59740	Protein NRT1/ PTR FAMILY 4.3.	No verified direct reference in this release
Arabidopsis	At5g62730	Protein NRT1/ PTR FAMILY 4.7.	No verified direct reference in this release
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/