in the present study , we report that the 56 kd antigen is the protein x of pyruvate dehydrogenase complex and that it possesses cross-reactive antimitochondrial autoantibody epitope ( s ) with the 74 kd antigen , the acetyltransferase ( e2 ) of the pyruvate dehydrogenase complex .
C0003320
antigen
C0003316
epitope