Species	Reference gene ID	Possible function	Papers / DOI
Arabidopsis	At2g18950	Involved in the synthesis of tocopherol (vitamin E).	Isolation and characterization of homogentisate phytyltransferase genes from Synechocystis sp. PCC 6803 and Arabidopsis.; 2002; DOI: 10.1104/pp.010747; PMID: 12011362; https://pubmed.ncbi.nlm.nih.gov/12011362/ | Homogentisate phytyltransferase activity is limiting for tocopherol biosynthesis in Arabidopsis.; 2003; DOI: 10.1104/pp.015222; PMID: 12586887; https://pubmed.ncbi.nlm.nih.gov/12586887/ | Seed-specific overexpression of antioxidant genes in Arabidopsis enhances oxidative stress tolerance during germination and early seedling growth.; 2010; DOI: 10.1111/j.1467-7652.2010.00509.x; PMID: 20691023; https://pubmed.ncbi.nlm.nih.gov/20691023/ | Vitamin E biosynthesis: functional characterization of the monocot homogentisate geranylgeranyl transferase.; 2011; DOI: 10.1111/j.1365-313x.2010.04417.x; PMID: 21223386; https://pubmed.ncbi.nlm.nih.gov/21223386/
Rice	Os06g0658900	Involved in the synthesis of tocopherol (vitamin E).	No verified direct reference in this release
Rice	Os06g0646900	Involved in the synthesis of tocotrienol (vitamin E).	Antioxidant activity and inhibition of lipid peroxidation in germinating seeds of transgenic soybean expressing OsHGGT.; 2011; DOI: 10.1021/jf104012z; PMID: 21175184; https://pubmed.ncbi.nlm.nih.gov/21175184/