Species	Reference gene ID	Possible function	Papers / DOI
Arabidopsis	At5g37830	Catalyzes the cleavage of 5-oxo-L-proline to form L-glutamate coupled to the hydrolysis of ATP to ADP and inorganic phosphate.	A gamma-glutamyl transpeptidase-independent pathway of glutathione catabolism to glutamate via 5-oxoproline in Arabidopsis.; 2008; DOI: 10.1104/pp.108.125716; PMID: 18768907; https://pubmed.ncbi.nlm.nih.gov/18768907/