The 12 subunit catalytic core of the complex contains 5 α-helical segments and 10 β-strands Knapp, J.E., Mitchell, D.T., Yazdi, M.A. Ernst, S.R., Reed, L.J. and Hackert, M.L. (1996).
The 12 subunit catalytic core of the complex contains 5 α-helical segments and 10 β-strands. The E2k component contains the lipoic moiety that transports the substrate between the subunits of KGDHC Knapp, J.E., Mitchell, D.T., Yazdi, M.A. Ernst, S.R., Reed, L.J. and Hackert, M.L. (1996).