Characterization of outer mitochondrial membrane proteins from Solanum tuberosum (potato)
Two-dimensional resolution of outer mitochondrial
membrane proteins from Solanum tuberosum by Blue-native / Tricine
SDS polyacrylamide gel electrophoresis (Jänsch
et al. 1998, J. Biol. Chem. 273, 17251-17257).
One dominant protein complex of 230 kDa forms part of the outer mitochondrial membrane: the "preprotein translocase of the outer mitochondrial membrane", also called the "TOM complex". In potato the TOM complex consists of at least 6 subunis of 36, 23, 9,8,7 and 6 kDa. Three of the subunits were identified being counterparts of the fungal TOM40, TOM20 and TOM7 proteins. The 10 kDa protein was proposed to correspond to fungal TOM22 (Macasev et al. 2000, Plant Physiol. 123, 811-816).
See also a 2D gel of the TOM complex from Arabidopsis thaliana