Species	Reference gene ID	Possible function	Papers / DOI
Arabidopsis	At1g74260	Essential to the male gametophyte development.	pur4 mutations are lethal to the male, but not the female, gametophyte and affect sporophyte development in Arabidopsis.; 2008; DOI: 10.1104/pp.108.120014; PMID: 18441219; https://pubmed.ncbi.nlm.nih.gov/18441219/