Protein names: Enoyl-CoA delta isomerase 1, mitochondrial; 3,2-trans-enoyl-CoA isomerase; Delta(3),Delta(2)-enoyl-CoA isomerase; Short name=D3,D2-enoyl-CoA isomerase; Dodecenoyl-CoA isomerase. nGene names: ECI1, DCI.nFunction: Able to isomerize both 3-cis and 3-trans double bonds into the 2-trans form in a range of enoyl-CoA species.nCatalytic activity: (3Z)-dodec-3-enoyl-CoA = (2E)-dodec-2-enoyl-CoA.nPathway: Lipid metabolism; fatty acid beta-oxidation.nSubunit structure: Homotrimer.nSubcellular location: Mitochondrion matrix.