This definition appears very rarely
See other definitions of E2
Other Resources:
Acronym Finder has 12 verified definitions for E2
Machado, RS; Clark, DP; Guest, JR (1992). "Construction and properties of pyruvate dehydrogenase complexes with up to nine lipoyl domains per lipoate acetyltransferase chain". FEMS Microbiology Letters 79 (1–3): 243–8. doi:10. 1111/j. 1574-6968. 1992.