Species	Reference gene ID	Possible function	Papers / DOI
Arabidopsis	At4g04930	Sphingolipid-delta-4-desaturase required for the biosynthesis of delta-4-unsaturated sphingolipids and derivatives.	Functional characterization of a higher plant sphingolipid Delta4-desaturase: defining the role of sphingosine and sphingosine-1-phosphate in Arabidopsis.; 2009; DOI: 10.1104/pp.108.129411; PMID: 18978071; https://pubmed.ncbi.nlm.nih.gov/18978071/
Rice	Os02g0639600	Sphingolipid-delta-4-desaturase required for the biosynthesis of delta-4-unsaturated sphingolipids and derivatives.	No verified direct reference in this release