Species	Reference gene ID	Possible function	Papers / DOI
Arabidopsis	At4g20960	Monofunctional pyrimidine deaminase involved in the riboflavin biosynthesis pathway.	Evolution of vitamin B2 biosynthesis: structural and functional similarity between pyrimidine deaminases of eubacterial and plant origin.; 2004; DOI: 10.1074/jbc.m404406200; PMID: 15208317; https://pubmed.ncbi.nlm.nih.gov/15208317/ | Identification and characterization of the missing pyrimidine reductase in the plant riboflavin biosynthesis pathway.; 2013; DOI: 10.1104/pp.112.208488; PMID: 23150645; https://pubmed.ncbi.nlm.nih.gov/23150645/