Annotated for gene, since:"Fatty acid desaturase 2 (FADS2) is encoded by the FADS2 gene, the associated enzyme is sometimes known as FADS2 as well.[5][6] Its main associated enzyme is Delta 6 desaturase (D6D) however the human enzyme been shown to also catalyze some delta-8 and delta-4 desaturases in spite of naming conventions."(source: Wikipedia)